Journal articles on the topic 'System built housing'
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1
Kawamura, Yuri, and Takashi Hara. "Space Structure System Consisting 3D Facade." Advanced Materials Research 831 (December 2013): 100–104. http://dx.doi.org/10.4028/www.scientific.net/amr.831.100.
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In recent years, temporary housing built in a stricken area has been built by steel construction. But temporary housing could not be built unless an engineer went to a stricken area and the building could not carry a short-time loading like an earthquake or wind loadings. This research aims to develop the permanent box unit construction which is carried and assembled a part by victims. Analysis model used the vinylon fiber reinforced concrete in order to make a concrete ductile without using a reinforced rod. The linear model was analyzed with FEM software. The analysis was carried out and the validity of a temporary housing was confirmed.
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Suprapti, Suprapti, and Muhammad Hamzah. "Drainage System Capacity Analysis with Storm Water Management Model (SWMM) at Cemarajaya Housing, Karawang Regency West Java." IJEBD (International Journal of Entrepreneurship and Business Development) 5, no. 2 (March 31, 2022): 380–94. http://dx.doi.org/10.29138/ijebd.v5i2.1797.
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Purpose: This study aims to determine the factors that cause inundation/flooding in Cemarajaya Housing, evaluate existing drainage channels and plan drainage channels for unbuilt blocks and analyze the capacity of the drainage system using the EPA SWMM 5.1 program.
Design/methodology/approach: Based on the simulation results using SWMM, the subcatchment response shows that an average of 22.11 mm per subcatchment is infiltrated and the rest becomes runoff of 310.23 mm.
Findings: The abrasion disaster that hit the north coast of Karawang, especially the village of Cemarajaya, had occurred from around 1990 to 2016 and the most severe occurred in three hamlets, so residents affected by the abrasion had to be relocated to a place far from the shoreline. The Department of Public Housing and Settlement Areas of Karawang Regency built a housing estate to relocate residents affected by the abrasion disaster.
Research limitations/implications: In this housing, 299 units of infiltration wells were built because the calculated channel dimensions were not possible to build due to the limited land area of the road.
Practical implications: The problem that occurs in the housing is that the area where the housing construction is located is in the yellow zone based on the Karawang City/Regency Sanitation Strategic (SSK) data in 2017, which is an area prone to inundation of 25% to 50%.
Originality/value: This paper is originality
Paper type: Research paper
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Monkkonen, Paavo. "Empty houses across North America: Housing finance and Mexico’s vacancy crisis." Urban Studies 56, no. 10 (September 24, 2018): 2075–91. http://dx.doi.org/10.1177/0042098018788024.
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In the wake of the housing market crash in the United States in the late 2000s, images of abandoned homes on the periphery of American cities dominated international media. Mexico continues to face a housing crisis that began at the same time, and the media similarly focus on the high rate of housing vacancy in the urban periphery. The vacancy rate is extreme in many newly built subdivisions in Mexico, yet it is also high in most central cities. In this article, I describe the role of government mortgage lending in housing vacancy rates, across and within cities in Mexico. I do this using data from the 2010 Census of Population and Housing for the 100 largest cities in the country. Cities with more housing built under the federal housing finance system have higher vacancy rates overall, and the relationship is strong in central areas of cities as well as the urban periphery. These findings imply that policymakers should not only be concerned with vacancy in newly built suburban developments, but they should also consider how the expansion of credit for new suburban housing has played a role in the hollowing out of central cities. The article has direct implications for Mexico and raises questions about the frame for debate about housing policy internationally. The structure of housing finance systems is often under-scrutinised. Scholars working in emerging markets should work to identify incentives in finance systems and how they shape urbanisation.
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Liu, Ju, Bo Bengtsson, Helena Bohman, and Karin Staffansson Pauli. "A System Model and An Innovation Approach toward Sustainable Housing Renovation." Sustainability 12, no. 3 (February 5, 2020): 1130. http://dx.doi.org/10.3390/su12031130.
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Housing renovation is a common concern to owners, tenants and to society at large. In addition to the high economic costs, the implementation of housing renovation usually have a long-term impact on the society and the built environment. This is a theoretical paper that develops a system model for understanding sustainable housing renovation as a system phenomenon which has multiple sustainability goals, complicated dynamic processes, diverse actors, and a sophisticated institutional environment. It identifies the key challenges of a sustainable housing renovation system, namely the conflicting sustainability goals and the conflicting stakeholder interests. To address these two challenges, the paper suggests an innovation approach in which the process of innovation (linear versus organic) and the typology of innovation (product versus process and business versus social) toward sustainable housing renovation are discussed.
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Lumbanraja, Posma S. M., Sabrina Ginting, and Imelda Sri Dumayanti. "PERANCANGAN APLIKASI SISTEM INFORMASI PENJUALAN RUMAH BERBASIS MOBILE WEB DENGAN METODE STRING MATCHING (STUDI KASUS: BUANA PROPERTI)." METHODIKA: Jurnal Teknik Informatika dan Sistem Informasi 7, no. 2 (September 10, 2021): 25–30. http://dx.doi.org/10.46880/mtk.v7i2.448.
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Buana Property is one of the developers in the housing sector or is engaged in the business of selling, buying, and renting property. Advances in technology make Buana properties that always want to grow and be better known in the community with the construction of a mobile commerce system. So far, the system at Buana Properti is still a physical store that is offline so it is not well known to the public, there is no housing sales information system that uses a mobile web system. Therefore, this system is needed to simplify the process of selling housing at Buana Properti Medan which makes it easier for buyers to make house purchases at Buana Property. The system built will also provide a home search feature where this search feature is built using the String Matching method with the Knuth-Morris Pratt (KMP) model. The system that has been built itself uses HTML and PHP programming languages in building mobile web and MySQL as a place database storage. The results of this study are that this system can assist buyers in finding homes that match their wishes and make purchase and payment transactions more easily.
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Jiang, Xufeng, Zelu Jia, Lefei Li, and Tianhong Zhao. "Understanding Housing Prices Using Geographic Big Data: A Case Study in Shenzhen." Sustainability 14, no. 9 (April 28, 2022): 5307. http://dx.doi.org/10.3390/su14095307.
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Understanding the spatial pattern of urban house prices and its association with the built environment is of great significance to housing policymaking and urban planning. However, many studies on the influencing factors of urban housing prices conduct qualitative analyses using statistical data and manual survey data. In addition, traditional housing price models are mostly linear models that cannot explain the distribution of housing prices in urban areas. In this paper, we propose using geographic big data and zonal nonlinear feature machine learning models to understand housing prices. First, the housing price influencing factor system is built based on the hedonic pricing model and geographic big data, and it includes commercial development, transportation, infrastructure, location, education, environment, and residents’ consumption level. Second, a spatial exploratory analysis framework for house price data was constructed using Moran’s I tools and geographic detectors. Finally, the XGBoost model is developed to assess the importance of the variables influencing housing prices, and the zonal nonlinear feature model is built to predict housing prices based on spatial exploration results. Taking Shenzhen as an example, this paper explored the distribution law of housing prices, analyzed the influencing factors of housing prices, and compared the different housing price models. The results show that the zonal nonlinear feature model has higher accuracy than the linear model and the global model.
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Cai, Bao Ping, Yong Hong Liu, Zeng Kai Liu, and Xiao Jie Tian. "The Research of Subsea Electronic Module for Subsea BOP." Applied Mechanics and Materials 128-129 (October 2011): 1497–500. http://dx.doi.org/10.4028/www.scientific.net/amm.128-129.1497.
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In the deepwater semi-submersible platform, the multiplexed electro-hydraulic (MUX) control system is typically used in the deepwater subsea blowout preventer (BOP) stack. In this paper the system architecture and the subsea electronic module (SEM) spatial layout for the MUX control system are presented, and the SEM housing is designed and the finite element model of the housing is built by using ANSYS software. The analysis results show the designed SEM housing can work well under 30MPa external hydrostatic pressure.
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Xu, Wei, and Yan Yan. "On the Initial Establishment of Quality Assurance System for Indemnificatory Housing." Applied Mechanics and Materials 94-96 (September 2011): 2213–16. http://dx.doi.org/10.4028/www.scientific.net/amm.94-96.2213.
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The comfortable housing project for low-income urban residents possess many special characteristics such as large numbers, dispersed distribution, the large-scale of construction, urgent time schedule and strict requirement of high quality. To ensure reasonable period and construction cost, it is also necessary to reform and innovate the way of construction management thinking and working methods. Pre-control measures of construction quality are put with emphasis on transforming passivity supervision into initiative forewarning. Management efficiency of the comfortable housing project can be enhanced. The comfortable housing project for low-income urban residents is built into environmental project taken to develop energy-saving and ground-saving residential in our country. It is a realistic and sharp contradiction that construction enterprises are pursuing profit when indemnificatory housing constructing is weak of profit, and that it is an easily occurred problem that the quality of indemnificatory housing is not security. In this paper, based on the six sigma quality management the Quality Assurance System of indemnificatory housing is put forward, which can be regarded as guidance for construction enterprises.
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Khairunnisa, Imamah, and Shirly Wunas. "Housing and transportation system alignment-based on green concept." MATEC Web of Conferences 181 (2018): 02003. http://dx.doi.org/10.1051/matecconf/201818102003.
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Land use and transportation system are the main components of the city space structure formation. Settlements as the biggest land allocation in the region play an important role in the availability of human resources and the largest generation of the city. Various problems arise along with the development of urban residential settlements, generally, occur in middle-scale cities to the larger cities i.e. development of middle-class house to elite-class that formed into gate. That fact was one of the causes of transport system problems, non-integrated in the transport system in housing area cannot be avoided. Therefore, this paper explains: 1) current condition of the house built by the developer (gated house) and the self-help house, 2) transportation systems that support the residential area, and 3) concept which supports housing and transportation system alignment in the context of green concept.
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Alexeenko, Vera V., and Nika S. Seredina. "Factor Interrelation System of Integrated Business Structure Development in Construction." Materials Science Forum 931 (September 2018): 1142–47. http://dx.doi.org/10.4028/www.scientific.net/msf.931.1142.
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One of the key objectives of the formation and development of integrated business structures in Russia is to meet the population's need for new housing. Qualitative and quantitative indicators of residential building commissioning are significantly influenced by demand and supply factors. With the purpose of forecasting the activity of demand in the housing market with the help of methods of economic and mathematical modeling, the interrelation system of factors forming the socio-economic basis for the development of integrated business structures in construction has been built. The formulated economic and mathematical model allowed us to identify the factors focused on the formation of rational relations between the subjects of the housing and construction cluster. The model shows that the effectiveness of the mortgage lending system (from the demand side) and the level of introduction of innovations in the investment and construction complex (from the supply side) have a decisive influence on the solution of the housing problem.
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Dang, Hoang Quyen. "Infrastructure system planning for affordable housing for workers in Hanoi, Vietnam." MATEC Web of Conferences 193 (2018): 01003. http://dx.doi.org/10.1051/matecconf/201819301003.
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Established industrial zones have contributed to the development of economy, the creation of jobs, and an increase in the income for workers. However, their living condition has yet been recognized with full attention. Affordable housing projects for laborers have been built in some areas, but the infrastructure system has not been carried out for a long time, leading to negative impacts on the lives of workers. Therefore, it is necessary to study the planning process of infrastructure system for social housing. The research reveals a few methods to establish infrastructure system consistently, such as planning solutions, investing process, and policy innovation. Besides, the study proposes the solution for assessment of infrastructure quality in affordable housing for workers. The research applied the assessing system to evaluate two social housing areas in Hanoi, Vietnam. Results of this study may become a reference for planning infrastructure system for workers' housing. Ensuring the lives of employees is the foundation of social security that helps improve the efficiency of labor and develop national economy.
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Yau, Yung. "WILLINGNESS TO PAY AND PREFERENCES FOR GREEN HOUSING ATTRIBUTES IN HONG KONG." Journal of Green Building 7, no. 2 (April 2012): 137–52. http://dx.doi.org/10.3992/jgb.7.2.137.
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Promotion of green housing is of utmost importance in the achievement of sustainability in the built environment. While the states often use legislation or offer subsidies to motivate developers to build green, market forces can lead to green housing provision without any state intervention if the market players are willing to pay extra for the green attributes of housing. This study aims to explore residents' willingness to pay (WTP) and preferences for green housing attributes based on the findings from a structured questionnaire survey in Hong Kong. The housing attributes under investigation include the uses of green materials and construction methods (e.g. timber from sustainable sources), energy-efficient technologies (e.g. LED lighting) and water-saving devices (e.g. grey water recycling system). Results indicate that apart from moral or altruistic reasons, residents' WTP was mainly motivated by economic incentives. Green housing attributes which can directly reduce residents' utility bills corresponded to greater WTP. Besides, environmental attitude was found a strong determinant of the WTP. Policy implications of the research findings then follow.
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Ismail, Farrah Zuhaira, Anthony Halog, and Carl Smith. "How sustainable is disaster resilience?" International Journal of Disaster Resilience in the Built Environment 8, no. 5 (November 13, 2017): 555–72. http://dx.doi.org/10.1108/ijdrbe-07-2016-0028.
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Purpose The intervention of many different organizations during the post-disaster housing reconstructions could also influence the sustainability of the overall socio-ecology of the affected areas. Different approaches in design, selection of building materials and construction technologies deployed in pursuit of disaster resiliency may cause undesirable adverse circumstances to the surroundings, which escalate its susceptibility to future calamities. Therefore, this paper aims to identify relevant key indicators which interpret construction sustainability in a post-disaster housing reconstruction context, and to further investigate the dynamic interactions of these indicators on the socio-ecological system to achieve holistic sustainable post-disaster housing reconstructions. Design/methodology/approach Methodology was divided into three main stages. The first stage involved content analysis of related research materials, whereas the second stage was allocated for empirical data collection from case study and interview sessions. Data obtained from the first and second stage were then used to develop a causal loop diagram in the third stage to identify dynamic interrelationships between the indicators and the variables within a post-disaster reconstruction system. Findings From our results, the nexus of sustainability and disaster resilience is apparent and it is imperative to comprehend their dynamic interactions. The impacts of post-disaster reconstructions on the socio-ecological system are significant. Therefore, the adaptation of integrated sustainable construction approach in the housing reconstruction practice through system thinking will foster a holistic approach in the decision-making process and could reduce environmental damage. This also strengthens the interrelated socio-ecological systems, thus reinforcing disaster resilience in the built environment. Originality/value This research looks into the adaptation of integrated sustainable construction approach in the housing reconstruction practice through systems thinking approach. This will foster a holistic approach in the decision-making process and could reduce environmental damage. This also strengthens the interrelated socio-ecological systems, thus reinforcing disaster resilience in the built environment. This paper also looks into identifying relevant key indicators that interpret construction sustainability, which incorporate environmental, social and economic factors pertaining to the context of post-disaster housing reconstruction in Kuala Krai, Kelantan. The dynamic interrelationships and causal impacts between the indicators with other variables within the system were also established.
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Qi, Chang Xing, Xiao Ying Gao, and Lei Zhao. "Design and Implementation of Data Migration on Housing Fund Archives System." Applied Mechanics and Materials 462-463 (November 2013): 1015–18. http://dx.doi.org/10.4028/www.scientific.net/amm.462-463.1015.
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This paper analyzes the feature and necessity of data migration, and summarizes the commonly methods for it. According to the business characteristics of housing fund, an architecture model based on data migration is designed, and the functional process, the format of data packet and data specification is described according to the architecture levels. After the migration application is built, the operation data of the system are analyzed and further suggestions are given.
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Deshko, Valeriі, Inna Bilous, Dmytro Biriukov, and Olena Yatsenko. "Transient Energy Models of Housing Facilities Operation." Rocznik Ochrona Środowiska 23 (2021): 539–51. http://dx.doi.org/10.54740/ros.2021.038.
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Buildings are the main consumer of energy resources in the total energy balance of the countries in Central and Eastern Europe, the main energy consumption is allocated for heating. Efficient use of energy resources for heating needs to a large extent depends on the efficiency of regulation of heating systems. In the article, dynamic mathematical models of a two-room typical apartment in Ukraine, built in 2016, were developed in Matlab and EnergyPlus software environment. The simulations were carried out using IWEC hourly climate data for the city of Kyiv. The results of simulations of thermal energy consumption in Matlab are characterized by a larger range of fluctuations of the heating system load, which is typical for the real operating conditions of the system with the controller of ON/OFF type. In EnergyPlus it is assumed that the gas boiler operates continuously in the ON mode. In the research, the change of load on the apartment heating system was studied at different numbers and locations of air temperature control sensors installation, according to which the controller of the autonomous gas boiler operates.
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Shen, Liang Feng, Xiao Lei Deng, and Chen Bo Ma. "Thinking of Speeding up Transformation Construction for Housing Industry — Based on the Perspective of Housing Industrialization." Advanced Materials Research 709 (June 2013): 748–51. http://dx.doi.org/10.4028/www.scientific.net/amr.709.748.
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Housing industry is the economic growth point and the consumption growth area that is fostered in our country, the construction of housing industry in the new period is faced with the urgent task of transformation construction. This paper analyses the characteristic of high-carbon which is reflected in the housing construction recently, including the high standard consumption of housing, the low housing quality, the short lifetime of housing service, the extensive housing construction, the high-carbon materials, the uncleanly energy of housing used, the relatively backward housing design standards, the high energy consumption of stock housing, the little cyclic utilization of housing, the not in place policy support, etc. So the transformation way for housing construction is promoting the housing industrialization. As a result, the guarantee system of transformation construction for housing should be built focusing on the housing industrialization. So the transformation construction for housing industry could be developed fastly depending on the practice of housing industrialization.
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Paulsson, Alexander. "The city that the metro system built: Urban transformations and modalities of integrated planning in Stockholm." Urban Studies 57, no. 14 (January 23, 2020): 2936–55. http://dx.doi.org/10.1177/0042098019895231.
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This paper investigates how housing and public transport planning in Stockholm has been integrated during the past 20 years through multi-level collaboration. Drawing upon how Stockholm has been portrayed in the literature on transit-oriented development (TOD), that is, as a successful case of integrated land use, housing and public transport planning, this paper suggests that multi-level collaboration in Stockholm’s urban transformations has had its own challenges related to de-integration and reintegration. By including an exploration of the development of the metro system since the 1960s and onwards, the more recent processes of de-integration and reintegration emerge as endemic but often marginalised aspects of achieving TOD-like urban development. The paper contributes to previous studies by proposing three modalities of integration: (1) de-integration by agreement, (2) integration by collaboration, and (3) reintegration by intervention. These modes are not evaluative but should rather be used as a point of departure for future studies empirically investigating how integrated planning is achieved in contexts where transit-oriented development is contingent on multi-level collaboration.
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Igon, Skolastika Siba, Meliana O. Meo, and Febrianty Bere. "PERANCANGAN SISTEM INFORMASI PENYELEKSIAN PENERIMA BANTUAN PERUMAHAN PADA KECAMATAN LASIOLAT KABUPATEN BELU." High Education of Organization Archive Quality: Jurnal Teknologi Informasi 11, no. 1 (May 31, 2019): 33–38. http://dx.doi.org/10.52972/hoaq.vol11no1.p33-38.
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Based on the latest data from the Department of Population and Civil Registration in Belu Regency, the area of ??Belu Regency is 1,285 Km2, with a population of 229,561 people. From this data, Lasiolat District is one of the Districts in Belu District where there are still 299 uninhabitable houses and 1,360 housing units out of 1,659 families, with a total population of 7,171 people, an area of ??13,200 Km2. Therefore, the local government through the Department of Housing and Settlements provides housing assistance to deal with problems arising from the inability of low income people. However, Lasiolat District officials still have difficulty in selecting people who are entitled to get help. Because in the selection process it is still difficult to record the large number of people manually, it takes a long time because the local government through the Housing and Settlement Office only provides as many as 100 housing units. The limited housing assistance provided, the selection process for beneficiaries who are eligible for assistance, the Department checks the data of beneficiaries through the District officials to determine citizenship, income, land ownership, type of house, building and marital status. Errors in selecting beneficiaries can result in assistance being given to recipients who do not deserve assistance. Therefore we need a system that can be used to make selections with the main objective of overcoming the problems encountered in the selection process that is currently underway. In this research, an information system for selecting housing beneficiaries will be built using the Fuzzy AHP method. The system is built based on the website. The final result expected from this research is to be able to assist the Sub-district officials in selecting housing recipients correctly and appropriately.
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Han, Jae-Beom, and Hong Bae Kim. "A study on the problems of residential 'officetels' based on Zoning system and plans to improve the system: Focused on Act on ownership and management of condominium buildings." Korean Institute for Aggregate Buildings Law 44 (November 30, 2022): 209–46. http://dx.doi.org/10.55029/kabl.2022.44.209.
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The use zoning system in urban planning promotes efficient use of land based on each use by dividing residential and commercial areas according to their respective functions. Since officetels were first distributed in commercial areas in 1985, the supply of residential officetels has increased every year. A total of 941,737 officetels were supplied nationwide by June 2021, of which 71.5% were residential officetels. Since residential officetels are classified as business facilities under the Building Act, the Act on Ownership and Management of Collective Buildings, not the Housing Act, applies. When a residential officetel is built in a commercial area, the minimum housing standards applied to housing do not apply, and there is no obligation to install convenience facilities for residents. Also, it is excluded from the standard for calculating school facilities under the School Land Act. As such, the expansion of the supply of residential officetels causes problems in urban management. Also, there are problems in building management because the regulations on building management are insufficient in the collective building law that regulates officetels. The problem of urban management and building management for these officetels is due to the conflict between the use zoning system and the government's housing supply policy. In principle, the construction of residential officetels in commercial areas does not meet the purpose of the use zoning system. Therefore, fundamentally, the construction of residential officetels in commercial areas should be avoided or housing measures should be established in line with the purpose of the use zoning system. On the other hand, since officetels built against the purpose of the zoning system are also in accordance with the government's housing supply policy, residents of residential officetels must receive protection equivalent to that of housing residents. Although residential officetels are actually apartment houses, they are classified as business facilities by law, so the Collective Building Act, not the Apartment House Management Act, is applied. As a result, residents of residential officetels do not receive the same protections as tenants under the Apartment Housing Management Act. By comparing and analyzing the MDU and the Collective Building Act, this thesis identified the problems of the Collective Building Act as insufficient protection of occupants' rights, lack of management group assembly regulations, and lack of institutional control devices. Accordingly, the directions for institutional resolution of residential officetel management were divided into improvement of occupants' rights, improvement of management group assembly system, and improvement of institutional control system. Since residents of residential officetels are occupants of apartment houses, the Collective Building Act should be amended to protect them in accordance with the Multi-House Management Act.
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Drėmaitė, Marija. "The (Post-) Soviet Built Environment: Soviet–Western Relat ions in the In dustrialised Mass Housing and its Reflections in Soviet Lithuania." Lithuanian Historical Studies 15, no. 1 (December 28, 2010): 11–26. http://dx.doi.org/10.30965/25386565-01501003.
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This paper discusses the social, political and especially the technological aspect of the post-war Soviet industrialisation of housing, focusing on the relation to Western planning and technology. The chronological scope of the paper covers the thaw in Soviet architecture and construction that began in 1954 after the well-known meeting of Soviet architects and builders initiated by Nikita Khrushchev. This study presents Soviet architects’ study trips to the West, which became crucial in changing the entire urban planning and mass housing production system in the USSR. The text examines how pan-Union mass housing industrialisation policy and practice were carried out in the 1960s in the Western periphery of the USSR, namely Soviet Lithuania, which became the leader in mass housing urban design because of the Western-oriented ambitions of Baltic architects. Thus, in the paper the modern Soviet mass housing programme is researched from the perspective of (mutations in) modernist urban planning.
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Wu, Fan, Yue Liu, Yingyan Zeng, Hui Yan, Yi Zhang, and Ling-Hin Li. "Evaluation of the Human Settlements Environment of Public Housing Community: A Case Study of Guangzhou." Sustainability 12, no. 18 (September 8, 2020): 7361. http://dx.doi.org/10.3390/su12187361.
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With the improvement of social housing policies and an increase in the quantity of public housing stock, issues such as poor property management service, poor housing quality, and insufficient public services remain to be resolved. This study focuses on the human settlement environments of public housing communities in Guangzhou and establishes an evaluation system containing built environments and housing environments satisfaction criteria. In our analysis, the evaluation system was modified using data collected from surveys through factor analysis, which reduced dimensions to the indoor environment, the community environment, and social relations. Moreover, multivariable regression analysis was performed to identify the differences of needs among residents with different living environments and family backgrounds. The result shows that housing area, transportation resources, and public services have met the basic needs of residents who were generally satisfied with the community environment of their public housing. However, acoustic insulation and community amenities in the city were found to be relatively poor and still have space for improvement. Further, requirements on indoor housing environments and social relations of residents living alone need more attention. Specific recommendations based on this study can be used as a reference for future public housing construction and improvements.
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Ren, Yafeng, Shan Chang, Geng Liu, Liyan Wu, and Haiwei Wang. "Vibratory Power Flow Analysis of a Gear-Housing-Foundation Coupled System." Shock and Vibration 2018 (June 28, 2018): 1–13. http://dx.doi.org/10.1155/2018/5974759.
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The marine gearbox is usually installed on a vibration isolation system in order to reduce oscillation transmitted to the ship foundation. However, researches on vibration transmission in the gear-housing system and isolation system are currently independent. With the increasing requirement of lower vibration, a coupled model needs to be built to control the vibration propagation from a view of the whole system. Considering the mesh transmission error excitation of a gear pair, a flexible gear-housing-foundation coupled impedance model is constructed in this paper, and the vibratory power flow of the whole system is calculated. Power transmissions between three different gearbox installation configurations, that is, rigid installation, single-stage isolation, and double-stage isolation, are compared. Taking the single-stage isolation configuration as an example, parameter influences on the vibration of the foundation are studied. Results show that double-stage isolation can achieve lower vibration than single-stage isolation; decrease in bearing stiffness or Young’s modulus of isolator will yield better vibration isolation performance; housing damping and isolator damping are beneficial to vibration reduction.
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Kim, Ki Pyung, and Kenneth Sungho Park. "Housing information modelling for BIM-embedded housing refurbishment." Journal of Facilities Management 16, no. 3 (July 2, 2018): 299–314. http://dx.doi.org/10.1108/jfm-09-2016-0037.
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Purpose The purpose of this study is to identify building information modelling (BIM) input data sets within a BIM-embedded housing refurbishment process and enable construction professionals to use BIM as an information management platform for housing refurbishment projects. Design/methodology/approach A hypothetical case study using BIM tools for a housing refurbishment project is adopted to identify BIM input data sets to create a housing information model within a BIM system. Reliability of the research outcome is examined by conducting a comparative analysis between existing and simulated research outcomes. Findings This research identifies essential BIM input data sets during the early design phase. The importance of a well-integrated housing information model containing accurate as-built condition, cost and thermal performance information is essential to use BIM for housing refurbishment. BIM can be feasible for housing refurbishment when an information-enriched housing information model is constructed. Furthermore, the capability of BIM that can enable key project stakeholders to determine the most affordable refurbishment solution among various alternatives is identified as BIM can provide reliable cost estimations and thermal performance of refurbishment alternatives at the early design stage. Research limitations/implications The examined refurbishment processes and input data sets are confined to the early design phases as BIM use for housing refurbishment is limited. Practical implications This research will contribute to use BIM for housing refurbishment by providing essential BIM input data sets and BIM-embedded refurbishment processes. Originality/value This research reveals primary housing information data sets and BIM-embedded refurbishment processes at the early design phase.
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van der Hoek, J. P., B. J. Dijkman, G. J. Terpstra, M. J. Uitzinger, and M. R. B. van Dillen. "Selection and evaluation of a new concept of water supply for “IJburg” Amsterdam." Water Science and Technology 39, no. 5 (March 1, 1999): 33–40. http://dx.doi.org/10.2166/wst.1999.0219.
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The city of Amsterdam is going to build a new housing estate: IJburg. About 18,000 houses will be built and finally 45,000 people will live in IJburg. An important objective is to realize a sustainable housing estate: the design is focused on water and energy saving, and the use of sustainable building materials. An alternative water supply system, in which household water is used besides drinking water, may be an important contribution to this ambition. Household water can be used for toilet flushing, for washing clothes or for both. Amsterdam Water Supply developed five scenarios for such an alternative water supply system. Water saving and supply of two types of water are key elements in these scenarios. Based on a comprehensive selection in which public health aspects, technical feasibility, legislation, acceptance by the public, costs and environmental impact were used as criteria, the optimum scenario was chosen: a dual water system, supplying drinking water from the existing drinking water production plants, and supplying household water for toilet flushing and washing, produced from a local surface water, the IJ-lake.
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WAKIYAMA, Yoshio, Makoto TSUNODA, and Shuichi MATSUMURA. "A RESEARCH ON THE EFFECTIVENESS OF THE CENTURY HOUSING SYSTEM AT THE EARLY-BUILT CHS HOUSES." AIJ Journal of Technology and Design 6, no. 10 (2000): 199–202. http://dx.doi.org/10.3130/aijt.6.199.
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Mercader-Moyano, Pilar, Mariana Flores-García, and Antonio Serrano-Jiménez. "Housing and neighbourhood diagnosis for ageing in place: Multidimensional Assessment System of the Built Environment (MASBE)." Sustainable Cities and Society 62 (November 2020): 102422. http://dx.doi.org/10.1016/j.scs.2020.102422.
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PHANG, SOCK-YONG. "SINGAPORE'S HOUSING POLICIES: RESPONDING TO THE CHALLENGES OF ECONOMIC TRANSITIONS." Singapore Economic Review 60, no. 03 (August 2015): 1550036. http://dx.doi.org/10.1142/s0217590815500368.
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Singapore has developed its own unique state-driven housing system, with more than three quarters of its housing stock built by the Housing and Development Board and homeownership financed through Central Provident Fund savings. As a result, it has one of the highest homeownership rates amongst market economies. This paper provides a historical perspective of the main housing problems faced by successive prime ministers and their respective policy responses. Under the leadership of Prime Minister Lee Kuan Yew (1959–1990), the government established an integrated land-housing supply and housing finance framework to channel much needed resources into the housing sector to deal with a chronic housing shortage. Under Prime Minister Goh Chok Tong (1990–2004), asset enhancement schemes to renew aging estates as well as market deregulation measures were implemented. Prime Minister Lee Hsien Loong (2004–present) has been confronted with a different set of challenges — investment demand for housing, rising inequalities and rapidly aging population. These problems have brought about the introduction of carefully crafted macroprudential policies, targeted housing grants to assist low and middle income households, and schemes to help elderly households monetize their housing equity.
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Hasyif, Azansyah. "Hubungan hukum antara pt. Bank tabungan negara (persero) tbk. Kcp sutomo di kota medan dengan pengembang dan nasabah peminjam pada kredit pemilikan rumah inden." Jurnal Hukum Kaidah: Media Komunikasi dan Informasi Hukum dan Masyarakat 20, no. 2 (March 23, 2021): 236–41. http://dx.doi.org/10.30743/jhk.v20i2.3660.
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People’s Housing Credit (KPR) by indent, as the product of PT Bank Tabungan Negara (Persero), is buying houses which have not been built by contractors by credit system. The houses will be built when the contract is signed by the prospective buyers who have ordered the houses. The Bank is vulnerable to the risk of developers’ default in building the houses; it is also take the risk of the default the debtors who are not able to pay the installment while the houses are being built. It is necessary to study the legal realationship in giving KPR by indent so the research was done at PT Bank Tabungan Negara (Persero), Tbk, KCP Sutomo, Medan. The research used juridical normative method with descriptive analytic approach, supported by primary data. The data were gathered by conducting library research, field study, documentation, and interview and analyzed by using qualitative method. The legal relationship between PT Bank Tabungan Negara (Persero) Tbk KCP Sutomo with developers and borrowing customers in providing indent housing loans (KPR) is a form of tripatrit legal relationship, because of the cooperation agreement between Bank BTN and the developer and provision of credit between Bank BTN. and borrowing customers where the three parties each have rights and obligations. Keywords: people’s housing credit, indent, prudential principle, bank
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Zhao, Guang Wei. "Decentralised Sanitation and Energy Reuse in the Built Environment." Applied Mechanics and Materials 511-512 (February 2014): 787–90. http://dx.doi.org/10.4028/www.scientific.net/amm.511-512.787.
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This paper seeks to focus on a combined waste (or: wastewater)/energy system in the deep green housing district. An innovative mixture of red and green development is presented, together with a concept of building integrated decentralized technologies for wastewater and organic waste treatment with energy and nutrients recovery. The concept is called sustainable implant. It is important to change the general attitude towards the different components of design, development, use and management of urban areas. A way to do so is the interconnection of different themes and cycles within cities. An example is the linking of sanitation to energy and food production. The paper shows the potentials of integrating solutions concerning energy and sanitation flows as near as possible to its origin of use and/or production. Introducing the analogy of the functioning of buildings (with respect to energy and sanitation flows) with that of a parasite. The system layout and the dimensioning backgrounds are explained in this paper. Additional emphasis is put on maintenance, conservation and administration of the integrated whole, and the possible consequences for the district and its inhabitants. There are scale limitations concerning the proposed (and realized) systems. Besides that there is a matter of a unique situation with an intentional community. Although two similar systems, however small, have been realized, no other project (in process of realization) can be found worldwide in which there is a linking of urban agriculture, waste (water) treatment and energy production at the scale of an urban district.
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John, Keerthana, Sherin Rahman, Bidur Kafle, Matthias Weiss, Klaus Hansen, Mohamed Elchalakani, Nilupa Udawatta, M. Reza Hosseini, and Riyadh Al-Ameri. "Structural Performance Assessment of Innovative Hollow Cellular Panels for Modular Flooring System." Buildings 12, no. 1 (January 6, 2022): 57. http://dx.doi.org/10.3390/buildings12010057.
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Lightweight modular construction has become an increasing need to meet the housing requirements around the world today. The benefits of modular construction ranging from rapid production, consistency in quality, sustainability, and ease of use have widened the scope for the construction of residential, commercial, and even emergency preparedness facilities. This study introduces novel floor panels that can be flat-packed and built into modular housing components on-site with minimal labour and assistance. The flooring system uses hollow cellular panels made of various configurations of trapezoidal steel sheets. The structural performance of three different configurations of these hollow flooring systems as a modular component is presented in this study by analysing the failure modes, load-displacement parameters, and strain behaviour. The study confirms significant advantages of the proposed hollow floor systems, with multi-cells reporting higher load-carrying capacity. The hollow flooring system performed well in terms of structural performance and ease in fabrication as opposed to the conventional formworks and commercial temporary flooring systems. The proposed flooring system promises efficient application as working platforms or formworks in temporary infrastructural facilities and emergency construction activities.
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Calkin, David E., Jon D. Rieck, Kevin D. Hyde, and Jeffrey D. Kaiden. "Built structure identification in wildland fire decision support." International Journal of Wildland Fire 20, no. 1 (2011): 78. http://dx.doi.org/10.1071/wf09137.
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Recent ex-urban development within the wildland interface has significantly increased the complexity and associated cost of federal wildland fire management in the United States. Rapid identification of built structures relative to probable fire spread can help to reduce that complexity and improve the performance of incident management teams. Approximate structure locations can be mapped as specific-point building cluster features using cadastral data records. This study assesses the accuracy and precision of building clusters relative to GPS structure locations and compares these results with area mapping of housing density using census-based products. We demonstrate that building clusters are reasonably accurate and precise approximations of structure locations and provide superior strategic information for wildland fire decision support compared with area density techniques. Real-time delivery of structure locations and other values-at-risk mapped relative to probable fire spread through the Wildland Fire Decision Support System Rapid Assessment of Values at Risk procedure supports development of wildland fire management strategies.
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Ollár, Anita, Paula Femenías, Ulrike Rahe, and Kaj Granath. "Foresights from the Swedish Kitchen: Four Circular Value Opportunities for the Built Environment." Sustainability 12, no. 16 (August 8, 2020): 6394. http://dx.doi.org/10.3390/su12166394.
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This paper examines the kitchen as one relevant part of the home that is highly affected by frequent replacements, renovations, and a short service life. The aim is to discern circular value opportunities for the built environment by examining stakeholder activities and the value proposition associated with Swedish kitchens. The paper answers the research question ‘Which aspects in stakeholders’ value proposition of kitchens might contribute to future circular housing design?’. The empirical material was collected through a workshop, interviews, and a focus group session. The data were analysed using qualitative content analysis while applying value mapping as an analytical framework. Four opportunities for circularity were identified: (1) aligning spatial and product design for a circular economy, (2) considering end-user perspectives and demands, (3) formulating regulations informed by research, and (4) developing circular products and services through collaboration. While some of these opportunities have already been emphasised in previous literature, the most distinct contribution of this paper is that it reveals the importance of spatial parameters when transitioning towards a circular housing design. The methods and results of this paper may be adapted to various building components to create a system-level circular economy in the built environment.
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Alvey, D. M., and S. A. Tucker. "The Litter and Wire System of Housing for Laying Hens." Proceedings of the British Society of Animal Production (1972) 1993 (March 1993): 228. http://dx.doi.org/10.1017/s0308229600025502.
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The litter and wire system of housing for laying hens is a compromise between an all litter system (maximum stocking density 7 birds/m2) and the perchery system (maximum stocking density 25 birds/m2).The wire areas are usually constructed over a droppings pit.The current EC Egg Marketing Regulations allow a proportion of the wire area to be Included as perching area and this permits the stocking density to be increased to 11.7 birds/m2, as long as a minimum of 53% of the floor area is wire.In 2 studies at Gleadthorpe between 1990-92 the laying performance, behaviour and welfare of laying hens in a litter and wire system were evaluated. The pen, with a floor area of 10.0m x 7.67m contained 3 areas of wood shavings litter. The litter areas were separated longitudinally by two, 250 mm high, raised platforms of wire mesh built over a droppings pit. The wire mesh covered 57% of the floor area. Chain feeder and nipple drinker lines were positioned over the wire area. Each bird had 95 mm of feeder space and nipple drinkers were provided at a ratio of 1 per 6 birds.Two tiers of “Astroturf” lined, rear roll-away nestboxes were provided, one per 5.9 birds along each of the longest sides of the unit. During the first month of lay, nest boxes were “managed” to discourage overnight roosting.
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Qi, Chang Xing. "Application of Middleware for Callcenter in the Housing Fund Management Center." Applied Mechanics and Materials 475-476 (December 2013): 1129–32. http://dx.doi.org/10.4028/www.scientific.net/amm.475-476.1129.
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This paper analyzes the feature of CallCenter,and designs a middleware to connet the callcenter to business system.According to the business characteristics of housing fund, an architecture model of the middleware is designed, and the function and process are described too, After the callcenter application is built, the operation data of the system are analyzed and further suggestions are given
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Ishida, Ken-ichi. "The Global Warming Prevention Strategy For Housing in Japan." Open House International 33, no. 3 (September 1, 2008): 38–47. http://dx.doi.org/10.1108/ohi-03-2008-b0005.
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Japan signed the Kyoto Protocol to reduce the nation's carbon dioxide (CO2) emission by 6% below the 1990 level. The housing industry is no exception being required to reduce the negative impact of the housing delivery on the environment. Today, all newly-constructed detached houses being built by Sekisui House Ltd. are designed to alleviate the societal pressure, accompanied basically with the following techniques and/or technologies: (1) the reduction of energy use relating to air-conditioning by improving the houses' insulation performance to meet Japan's energy saving standard set in 1999, as well as ventilation by making use of a passive ventilation system driven by stack effect; (2) the reduction of energy consumption that derives from domestic hot water by applying a high-efficient water heater, where the system performance is improved from 80% to 95% of the efficiency-today, Japanese housing manufacturers also tend to promote the installation of a gas engine cogeneration system and air-source heat pump water heater in housing; (3) the micro-power generation by the installation of solar photovoltaic (PV) power generation system; and (4) the cooling effect achieved by tree shading, which helps lower the ambient temperature around buildings during the summer. The company's ‘Action Plan 20’ reflects the global warming prevention (or CO2 emission reduction) strategy, considered to be effective in the delivery of low-carbon housing in Japan.
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Wirani, Yekti, Elsa Nadira, and M. Syaiful Romadhon. "Evaluation of the Acceptance of the Developer Registration System Using the TAM Framework with the Perspective of Housing Developers and Associations in Indonesia." INTENSIF: Jurnal Ilmiah Penelitian dan Penerapan Teknologi Sistem Informasi 5, no. 1 (February 1, 2021): 13–26. http://dx.doi.org/10.29407/intensif.v5i1.14477.
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The Developer Registration System (SIRENG), owned by the Ministry of Public Works and Public Housing of the Republic of Indonesia, aims to provide supervision on the quality of houses built by housing developers. Based on the interviews with the association manager PERWIRANUSA, the completeness and suitability of the information in SIRENG are still limited. It does not meet SIRENG development benefits, guaranteeing that registered developers in SIRENG are experienced and trusted. This study aims to provide recommendations for managers of SIRENG to improve the system through evaluation of acceptance of SIRENG with the association and housing developer's perspective. This study uses the Technology Acceptance Model (TAM) framework and utilizes PLS techniques to analyze respondents' data. This study used a mixed-method. This study's results are Perceived Ease of Use, Perceived Usefulness, Attitude Toward Using, and Actual Usage (AU) variables that influence the acceptance of SIRENG.
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Mjörnell, Kristina, Dennis Johansson, and Hans Bagge. "The Effect of High Occupancy Density on IAQ, Moisture Conditions and Energy Use in Apartments." Energies 12, no. 23 (November 22, 2019): 4454. http://dx.doi.org/10.3390/en12234454.
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Apartments built in Sweden during the record years 1961–1975 with the aim to remedy the housing shortage and abolish poor standards, were designed for a normal-sized family of 2–4 persons. The mechanical ventilation system, if existing, was primarily designed to ensure an air exchange in the apartment according to Swedish building regulations. During the last few years, the number of overcrowded apartments has increased due to housing shortage in general but also due to migration. Another aspect is that the ventilation in many apartments built during the record years is already insufficient at normal occupant load. The question is how doubling or tripling the number of occupants and thus, the moisture load will affect the risk of bad air quality and moisture damage. To find out, simulations were made to estimate whether it is possible to obtain sufficient air quality and low risk of moisture damage by only increasing the ventilation rates in existing systems or introducing new ventilation systems with and without heat recovery and what the consequence would be in terms of the additional energy demand. Measurements from earlier studies of CO2 and moisture supply in Swedish apartment buildings were used as input data.
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Cukovic-Ignjatovic, Natasa, Dusan Ignjatovic, and Budimir Sudimac. "Potentials for improving energy performance of multifamily housing blocks connected to the district heating system." Thermal Science 22, Suppl. 4 (2018): 1183–93. http://dx.doi.org/10.2298/tsci170612228c.
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Developments conceived following the principles of Athens Charter were typical form of urban answer to the post-war housing shortage and during the decades of intense construction activity that followed. In city of Belgrade, multifamily housing in open city blocks built between 1961 and 1990 account for about 40% of current housing stock. The current ownership and operation of these housing blocks derive from their socialist legacy: home-owners rights relate only to the buildings, excluding any open spaces, even the ones immediately along the building?s perimeter. On the other hand, heating is supplied by district heating system. Management of open spaces as well as provision of district heating are subordinates to local municipality (the city of Belgrade). Energy efficiency related refurbishment options for these developments that would engage both the home-owners and the public companies may be the key for bringing ever-needed modernization, prolonged lifespan and a sustainable way of using this portion of housing stock. By applying simple architectural measures, energy demand for heating of these buildings can be reduced by 30-78%, which opens a pathway for effective use of renewable energy sources. Unlike solar energy, which can be managed at building level, geothermal energy can be exploited only at the district level due to the ownership rights. The presented research explores the effectiveness of using geo-thermal energy at a district level coupled with systematic approach to building refurbishment, taking the advantage of the repetitive use of the same building design and the formal and practical relations with local authorities.
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Andreasen, Manja Hoppe, Gordon McGranahan, Alphonce Kyessi, and Wilbard Kombe. "Informal land investments and wealth accumulation in the context of regularization: case studies from Dar es Salaam and Mwanza." Environment and Urbanization 32, no. 1 (January 29, 2020): 89–108. http://dx.doi.org/10.1177/0956247819896265.
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Between half and three-quarters of new housing development in African cities has been taking place on land acquired through informal channels. This paper offers insights from a study of self-builders’ investments in informal land and housing in Dar es Salaam and Mwanza, two of the largest and fastest-growing cities in Tanzania. The findings demonstrate that self-builders’ investments in informal land and self-built housing are inextricably linked with household wealth accumulation processes and long-term security. In light of the research findings, the paper offers reflections on the potential impacts of ongoing land formalization processes. The paper argues that the informal housing system has far more advantages than appreciated by proponents of formalization, that the vision of bringing “dead capital” to life is misleading, and that the anticipated emergence of active formal markets for land and housing may not serve the needs or interests of low- and middle-income households.
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Ristic-Trajkovic, Jelena, Danica Stojiljkovic, and Verica Medjo. "Influence of the socialist ideology on the conception of multi-family housing: New urban landscape and the typological models of housing units." Facta universitatis - series: Architecture and Civil Engineering 13, no. 2 (2015): 167–79. http://dx.doi.org/10.2298/fuace1502167r.
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The paper explores the ideological influences in the period of the socialist system on the new urban landscape, and also on design of the typological models of residential units built in Belgrade. After the Second World War, one of the main policy goals of socialism was to solve the housing problems of Belgrade, by building the modern, serially manufactured and economical housing architecture. The period of intensive construction of housing architecture of Belgrade in the period of socialist self-management is primarily related to the achieved quality of housing in this period in terms of environment humanization and functional organization of housing units. This paper explores new concepts and principles of housing architecture with the emphasis on the impact of spatial-functional apartment transformation on the family lifestyle and the formation of a new socialist culture of dwelling. Since the problem of housing is interdisciplinary, the transformation is studied out through detecting the relations of cause and effect among ideological social changes, culture of habitation, technical and technological criteria and functional-spatial house structure. The modern housing urbanism and architecture has become a representation of social, political, economic, demographic and cultural changes of the period.
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Zhang, Li, Hongyu Liu, and Jing Wu. "The price premium for green-labelled housing: Evidence from China." Urban Studies 54, no. 15 (September 20, 2016): 3524–41. http://dx.doi.org/10.1177/0042098016668288.
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The Chinese central government introduced the ‘Chinese Green Building Label’ in 2008, which makes China one of the few developing countries with an official rating system of buildings’ performance in sustainability. This paper investigates the existence and magnitude of the price premium associated with this official green label in the residential sector. Based on a unique data set of green-labelled, newly built housing projects and their non-labelled counterparts from around the country in 2013, an empirical analysis suggests that the labelled housing projects attract a price premium of 6.9% compared with their non-labelled counterparts. Further analysis suggests that this official green label is more effective as a reliable signal of buildings’ energy efficiency in the Chinese context compared with developers’ self-advertised ‘greenness’. These results provide preliminary evidence that with this official rating system, the investment in buildings’ energy-efficiency could be potentially profitable for housing developers in China, and such profitability may herald a rapid development of the green housing market in urban China.
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Sidawi, Bhzad. "An evaluation of the performance of the housing finance system in the Kingdom of Saudi Arabia." International Journal of Housing Markets and Analysis 7, no. 2 (May 27, 2014): 156–74. http://dx.doi.org/10.1108/ijhma-11-2012-0057.
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Purpose – The aim of this paper is to find ongoing socioeconomic needs and how they affect the built environment and how they should be financed. Design/methodology/approach – A field survey was undertaken in 2011 in the eastern province of the Kingdom of Saudi Arabia (KSA) to find the citizens’ views about the initial and ongoing financial support of banks and the real estate development fund. Findings – The survey’s results showed that the majority of the respondents did not manage to take up mortgage and own a property. There is also serious lack of financial support for the population’s socioeconomic needs. Research limitations/implications – The research is carried out in the KSA. The findings, however, can be generalized to other Gulf and Islamic countries as well. Practical implications – The research would enable the policymakers and financing bodies to consider future socioeconomic needs of low-income citizens and set proper financial resources to meet these needs. Originality/value – Few research studies have been carried out in the KSA in regard to the relation between the built environment and ongoing socioeconomic needs.
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Kharrazi, Mehdi H. K., Salah Eldeib, and Helmut G. L. Prion. "Experimental evaluation of an orthotropic, monolithic, modular wooden-dome structural system." Canadian Journal of Civil Engineering 35, no. 10 (October 2008): 1163–76. http://dx.doi.org/10.1139/l08-060.
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Canadian Wooden Dome (CWD) is an innovative orthotropic, monolithic modular sectional building system. The main frame of these structures is built using mill trim ends that are normally chipped or used for finger-jointing. The structure, in comparison to conventional wood-frame single-family housing, has a rapid manufacturing process, and quick, on-site assembly attempts to reduce overall construction time. Presented with these advantages and the uniqueness of the wooden-dome system, a technical study was initiated to investigate the structural performance of the modular wooden dome in earthquake-prone areas and to examine its load resistance to heavy snow. This paper describes the results from a series of static and dynamic load tests conducted on the CWD as part of this study. The test results generally indicated that based on the structural performance of the CWD under static and dynamic loads, the CWD could be an alternative to the conventional wood-frame construction system. The test results are then compared with those obtained from the tests conducted on conventional single-family wood-frame houses as part of the Earthquake 99 (EQ-99) Woodframe House Project at The University of British Columbia. The seismic performance of the CWD was superior to that of the nonengineered housing system and comparable to that of the engineered wood-frame housing system.
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Park, Seung-Hoon, and Dong-Won Ko. "Investigating the Effects of the Built Environment on PM2.5 and PM10: A Case Study of Seoul Metropolitan City, South Korea." Sustainability 10, no. 12 (December 2, 2018): 4552. http://dx.doi.org/10.3390/su10124552.
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Air pollution has a major impact on human health and quality of life; therefore, its determinants should be studied to promote effective management and reduction. Here, we examined the influence of the built environment on air pollution by analyzing the relationship between the built environment and particulate matter (i.e., PM2.5 and PM10). Air pollution data collected in Seoul in 2014 were spatially mapped using geographic information system tools, and PM2.5 and PM10 concentrations were determined in individual neighborhoods using an interpolation method. PM2.5 and PM10 failed to show spatial autocorrelation; therefore, we analyzed the associations between PM fractions and built environment characteristics using an ordinary least squares regression model. PM2.5 and PM10 exhibited some differences in spatial distributions, suggesting that the built environment has different effects on these fractions. For instance, high PM10 concentrations were associated with neighborhoods with more bus routes, bus stops, and river areas. Meanwhile, both PM2.5 and PM10 were more likely to be high in areas with more commercial areas and multi-family housing, but low in areas with more main roads, more single-family housing, and high average gross commercial floor area. This study is expected to contribute to establishing policies and strategies to promote sustainability in Seoul, Korea.
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Bragg, Jake, Leanne Brockerville, Trevor Brown, Cait Button, Stephen Crewe, Gina Doyle, Mark Flynn, et al. "ROV Pontus." Marine Technology Society Journal 43, no. 1 (March 1, 2009): 37–46. http://dx.doi.org/10.4031/mtsj.43.1.8.
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AbstractThis technical report describes the remotely operated vehicle (ROV) Pontus, built by the Eastern Edge Robotics Team to compete in the 2008 MATE International ROV Competition. The basis of the chassis is two fiberglass pontoons connected by high-density polyethylene frames. The ROV uses four 24-V thrusters and a stereoscopic camera. The ROV has two pistons to hold and lift objects and a thermistor to record temperature. The control system was programmed in C# and runs using seven threads that sample data continuously. The ROV has an onboard electronics system that is inside a polycarbonate housing connected to the surface using a custom-built tether. The topsides electronics consist of a joystick and a control unit. To build the ROV, the team learned new technical skills, like fiberglassing and programming Programmable Intelligent Computer (PIC) controllers. Eastern Edge Robotics Team came in first place overall in the Explorer (university/college) class at the 2008 MATE Competition, winning first place in their mission tasks, first place in technical report and first place for their engineering evaluation.
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Jia, Hanjie, Datong Qin, and Changzhao Liu. "Novel tooth modification methodology for multistage spur gears considering dynamic deformation of housing." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 233, no. 21-22 (April 5, 2019): 7257–69. http://dx.doi.org/10.1177/0954406219839096.
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Tooth modification is critical when designing high-performance gear transmission systems. However, it is difficult to accurately calculate the system deformation and tooth modification amount using the traditional empirical formula. Although the finite element method provides accurate results, it is time consuming and its direct application to tooth modification for multistage geared systems is difficult. This study proposes a novel methodology to define tooth modification in both width and profile directions, which can be used for multistage spur gears. First, a housing-transmission coupled dynamic model is built, and the actual meshing state of each gear pair is obtained from dynamic simulation. Lead and profile modification are then conducted sequentially using the actual meshing state as an input. As the optimal tooth modification parameter is determined by the system dynamic response, and the tooth modification in turn influences the system dynamic response, the “dynamic simulation” and “tooth modification” are repeated iteratively until the modification parameter converges. Taking the drum driving system of a shearer as an example, the optimal tooth modification parameter is obtained after three iterations, and the dynamic factor and maximum tooth contact stress clearly decreased after applying the optimal tooth modification.
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Mahzouni, Arian. "The institutional challenges of scaling-up housing retrofit: the Swiss cities of Basel and Sion." Facilities 37, no. 11/12 (August 5, 2019): 780–98. http://dx.doi.org/10.1108/f-02-2017-0025.
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Purpose This paper aims to discuss the nexus between two societal (sub) systems of housing and energy supply to shed new light on the key institutional barriers to socio-technical energy transition in the built environment. The key research question is to explore if and how key patterns of institutional elements associated with energy retrofit and energy supply are combined, co-evolved and played out in the housing system, leading to an alternative energy transition pathway in the built environment. Design/methodology/approach A comparative case study of residential buildings in the Swiss cities of Basel and Sion is conducted to map retrofitting policies and practices in a wide range of buildings (e.g. multi-family and single family) that each requires a particular constellation of institutions, actors and artefacts. Findings The key finding is that the regulative institutions support energy transition in each urban form/housing type. However, the co-evolution with normative and cultural-cognitive institutions does not play out very clearly in the housing system. One reason is that the norms and cultures are deeply rooted in the practices exercised by business community and households and therefore they need a longer time frame to adapt to a new regulation. Research limitations/implications The policies and actions to increase the rate of housing retrofit are discussed in the specific socio-political context of Switzerland. Therefore, the results of this study might not be applied in other contexts with different conditions, limiting the possibility for analytical generalization. The case study can generate only context-specific knowledge, which might be valuable only to cities with similar conditions. This paper addresses theoretical, methodological and policy challenges in scaling-up retrofit projects by taking a holistic and integrated approach to the systems of housing and energy supply. Practical implications It would have been necessary to find out how the introduction and enforcement of new energy policies and regulations (regulative institutions) have changed the norms and building practices (normative institutions) used by actors from housing industry and the attitudes and energy consumption behaviour of the households (cultural-cognitive institutions). Nevertheless, information about normative and cultural-cognitive institutions require more primary data in the form of interviews with organizations and households, respectively, which goes beyond the scope and resources of this study. Originality/value Insights from different strands of literature (institutions and sustainability transition) are combined to understand if and how retrofitting practices go along with other elements of urban sustainability including architectural, technical, socio-cultural and economic factors.
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Schweizer, Kathryn, Christine Geiger, Adam Pillot, and Melissa Meadows. "Health and Survival of Moon Jellies (Aurelia Aurita) in Hand-Built Pseudo-Kreisel Aquaria." Emerging Science Journal 2, no. 5 (November 4, 2018): 303. http://dx.doi.org/10.28991/esj-2018-01154.
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Jellies are typically considered difficult organisms to raise in the lab by many scientists. This is due to their requirements for constant water current and the absence of corners. In the wild, jellies such as moon jellies (Aurelia aurita) rarely encounter habitats outside of the open ocean where they are part of the plankton, so they are not adapted to navigate obstacles or get out of small spaces such as the corners of aquaria. In order to conduct an experiment utilizing live moon jellies to assess their utility in bioremediation of oil spills, we designed and built 4 pseudo-kreisel aquaria to house our jellies using a limited budget and many readily-available materials. Here, we present the methods used to construct these aquaria inexpensively (important for undergraduate research!) and evidence of their effectiveness in long-term housing of live jellies so that other researchers interested in jelly research can construct similar housing. Briefly, we removed the corners from 10 gallon aquaria and also provided for continuous circular water currents by adding quarter pieces of the sides of 5 gallon buckets attached via silicon sealant. Current was provided by spray bars that provided even water flow in all areas of the aquaria, driven by pumps in the external sump and filtration systems. We built the sump/filtration systems using 5-gallon buckets containing bio-balls and filter floss. Water was delivered to the sumps via PVC overflow plumbed into the aquaria via a bulkhead set into the glass at the desired water level. The overflows were covered with a small piece of fine screen and directly behind the spray bars in order to prevent jellies from becoming stuck as water leaves the system for filtration. Results of husbandry including survival and indicators of jelly health such as pulsing rate and holes in their bells over approximately 3 months will be presented.
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GASIEV, A. A. "Modern Capital Volume-Block Construction in Russia Based on a Universal Volume-Block (Modular) System with a Load-Bearing Metal Frame." Zhilishchnoe Stroitel'stvo, no. 10 (2020): 38–47. http://dx.doi.org/10.31659/0044-4472-2020-10-38-47.
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The article presents a brief history of the development of bulk-block construction in the USSR and modern Russia. The technology of capital volume-block construction based on a universal volume-block (modular) system with a load-bearing metal frame is described. The main technical solutions of buildings manufactured using this technology are given. Restrictions on the use of technology for building buildings using a volume-block (modular) system with a loadbearing metal frame are described. The identification of this system according to the existing traditional classifications of such house-building systems is performed, as well as the author’s classification of existing volume-block house-building systems is given. The design features of the described system are investigated, and the problems of mass implementation of the system of volume-block (modular) housing construction in our country are presented. Possible ways of development are described, using this system for the implementation of state programs and for the development of industrial individual housing construction. The positive experience of building construction using this technology in Russia is analyzed. Examples of objects built in Russia for various functional purposes are given. Keywords: bulk-block modular construction, pre-erected capital buildings, modular construction development prospects.
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Shopalazuli, Sadakta, Baihaqi Baihaqi, and Erdiwansyah Erdiwansyah. "Sistem Informasi Pengambilan Keputusan Penerima Rehab Rumah Menggunakan Metode Weighted Sum Model (WSM) Pada Desa Bira Lhok Kecamatan Montasik." Jurnal Nasional Komputasi dan Teknologi Informasi (JNKTI) 4, no. 6 (December 19, 2021): 405–14. http://dx.doi.org/10.32672/jnkti.v4i6.3556.
Full textAbstract:
The house renovation program provided by the Aceh Besar regional government, especially in Gampong Bira Lhok, Montasik District, is an assistance program for the welfare of villagers whose housing conditions are far from livable. The problem faced by the Gampong government in the decision system for recipients of house renovation assistance at this time is that it still uses the decision system of deliberations between the Gampong apparatus and the Village Head so that it takes time to make decisions. Therefore, it is necessary to have a Decision Support System (SPK) to determine the acceptance of the house rehab program for residents with livable housing conditions based on computer information systems. This final project research aims to build a decision-making information system for home rehabilitation recipients using the Weighted Sum Model (WSM) method in Bira Lhok Village, Montasik District. The system development method used is the SDLC (Software Development Life Cycle) method using PHP and MySQL programming. The final project research resulted in a decision making information system for home rehabilitation recipients using the web-based Weighted Sum Model (WSM) with a factor weighting form interface, a form for prospective beneficiaries, a form for income criteria, assets, food and buildings, as well as a report on the assessment list of prospective recipients of rehabilitation assistance. House. Based on the results of the system that was built, the presence of an information system for decision making for home rehabilitation recipients using the Weighted Sum Model (WSM) method has made it easier for the Gampong Bira Lhok government to make decisions for recipients of home rehabilitation assistance quickly.