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Journal articles on the topic 'Prefab'

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Author: Grafiati

Published: 4 June 2021

Last updated: 8 February 2022

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1

Yi, Wen, Robyn Phipps, and Hans Wang. "Sustainable Ship Loading Planning for Prefabricated Products in the Construction Industry." Sustainability 12, no. 21 (October 27, 2020): 8905. http://dx.doi.org/10.3390/su12218905.

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This paper focuses on sustainable transportation of prefab products from factories to construction sites by ship. Since the transportation cost for all the prefab products of a construction site is mainly dependent on the number of cargo holds used on ships, a loading plan for prefab products that minimizes the number of holds required is highly desirable. This paper is therefore devoted to the development of an optimal loading plan that decides which prefab products are loaded into each cargo hold and how to pack these prefab products into the holds so that as few holds as possible are used. We formulate the problem as a large-scale integer optimization model whose objective function is to minimize the total number of cargo holds used and whose constraints represent the cargo hold capacity limits. We develop a heuristic to solve the problem and obtain a high-quality solution. We have tested the model and algorithm on a case study that includes 20 prefab products. We find that different cargo holds carry prefab products that have quite different densities. Moreover, the orientations of many prefab products are different from their default orientations. The results demonstrate the applicability of the proposed model and algorithm.

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2

Kubečková, Darja, and Magdaléna Vrbová. "Historical Development of Thermal Protection of Prefab Residential Housing and Its Future, an Example of the Czech Republic." Energies 14, no. 9 (May 3, 2021): 2623. http://dx.doi.org/10.3390/en14092623.

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The paper focuses on the development of a thermal protection and energy requirements in relation to the issue of prefab residential housing buildings and prefab housing estates while emphasizing the need for a conceptual approach and environmental considerations. The development is recapitulated with examples of compositional sets of prefab residential housing on selected sites in the Czech Republic. Based on the comparison of archival documents and results of a long-term observation of the prefab residential housing resources, it outlines the direction of further expected development of prefab housing estates within a social context. The comparison also takes into account the impact of the European Union energy strategy and the implementation of directives into the legal rules and standards of the member states. The aim of the paper is to show the negatives and positives of current political and social strategies in relation to the thermal protection of buildings, the energy management and healthy indoor environment, and that the renovation of prefab residential housing and prefab housing estates is effective with regard to the invested funds.

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3

Yang, Yong Min, Jie Long Cai, Yao Li, Ze Peng Chen, and Jun Lu Zhang. "Analysis of the Deformation Characteristics of the Prefabricated Bamboo Reinforced Porous Concrete Slab." Applied Mechanics and Materials 638-640 (September 2014): 1541–49. http://dx.doi.org/10.4028/www.scientific.net/amm.638-640.1541.

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The paper study the deformation characteristics of the Prefabricated bamboo reinforced porous concrete slab through points with four points focused beam loading method. The results show that flexural behavior of prefab slab can be improved by adding bamboo reinforcement. Along with the increase of bamboo reinforcement ratio, deflection of prefab board will gradually reduce. Through the loading deflection curve, we can discover that the bamboo reinforced prefab slab with the linear elastic state, and the slab can withstand a certain load after cracking. Bamboo reinforced with strengthening and toughening effect for porous concrete, prefabricated bamboo reinforced porous concrete plate can be used better in slope protection engineering.

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4

Lee, Wongeun, Taesub Lim, and Daeung Danny Kim. "Thermal and Energy Performance Assessment of the Prefab Electric Ondol System for Floor Heating in a Residential Building." Energies 13, no. 21 (November 2, 2020): 5723. http://dx.doi.org/10.3390/en13215723.

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In South Korea, radiant floor heating has been used from old housing to the recently constructed residential buildings, which is called “Ondol”. The Ondol system is generally a water-based system and it uses hot water as a heat medium provided by boilers fueled by natural gas. With great effort to reduce greenhouse gas emissions, electric Ondol panels have been increasingly applied to the recent residential buildings for floor heating. While the prefab electric Ondol panels were developed with the demand for dry construction method, the information about the prefab electric Ondol system is not sufficient. For the present study, the thermal performance of the prefab electric Ondol panels was investigated through field measurement. In addition, the heating energy and economic performance of the electric panel were compared with the conventional Ondol system. As a result, a significant surface temperature difference was observed. Moreover, the heating cost for the prefab electric Ondol system was more expensive than the conventional system, even though a heat loss was observed by the operation of the conventional system.

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5

Frier, Marie, Anna Marie Fisker, and Poul Henning Kirkegaard. "Prefab-Interiority: Design Principles for a Sensuous Prefab Practice." Design Principles and Practices: An International Journal—Annual Review 4, no. 2 (2010): 415–26. http://dx.doi.org/10.18848/1833-1874/cgp/v04i02/37865.

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6

Klein, Jan Willem E. "The "prefab gathering"." Gazette du livre médiéval 10, no. 1 (1987): 14–16. http://dx.doi.org/10.3406/galim.1987.1026.

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7

Chippagiri, Ravijanya, Hindavi R. Gavali, Rahul V. Ralegaonkar, Mike Riley, Andy Shaw, and Ana Bras. "Application of Sustainable Prefabricated Wall Technology for Energy Efficient Social Housing." Sustainability 13, no. 3 (January 23, 2021): 1195. http://dx.doi.org/10.3390/su13031195.

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Under the India “Housing for all” scheme, 20 million urban houses have to be constructed by 2022, which requires the rate of construction to be around 8000 houses/day. Previous results by the team show that present design methods for affordable buildings and structures in India need improvement. The challenges are the disposal of solid waste generated from agro-industrial activities and the energy peak demand in extremely hot and cold seasons. The development of bio-based urban infrastructure which can adapt to the climatic conditions has been proposed. Inclusion of sustainable materials such as agro-industrial by-products and insulation materials has resulted in effective environmental sustainability and climate change adaptability. Precast components are highlighted as a suitable solution for this purpose as well as to fulfil the need of mass housing. India has a lesser record in implementing this prefab technology when compared to a global view. For the first time, a novel and sustainable prefab housing solution is tested for scale-up using industrial waste of co-fired blended ash (CBA) and the results are presented here. A model house of real scale measuring 3 × 3 × 3 m3 was considered as a base case and is compared with 17 other combinations of model house with varying alignment of prefab panels. Comparison was made with commercially available fly ash brick and CBA brick with a conventional roof slab. A simulation study was conducted regarding cost and energy analysis for all the 18 cases. Various brick and panel compositions with CBA for housing were tried and the superior composition was selected. Similarly, 18 model houses of real scale were simulated, with different combinations of walls made of bricks or panels and different building orientations, to check the impact on energy peak cooling and cost. Results show that peak cooling load can be reduced by six times with bio-based prefab panels. Prefab construction can be considered for mass housing ranging above 100 housing units, each consisting of an area of 25 m2.

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8

BORMAN, STU. "PREFAB SYNTHESIS MOVES AHEAD." Chemical & Engineering News Archive 89, no. 35 (August 29, 2011): 5. http://dx.doi.org/10.1021/cen-v089n035.p005.

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9

Uskokovic, Vuk. "Of sustainability, elephants and Prefab Sprouts." International Journal of Sustainable Society 1, no. 1 (2008): 85. http://dx.doi.org/10.1504/ijssoc.2008.020378.

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10

Astakhova, T. V., M. N. Lobanov, I. V. Poverennaya, M. A. Roytberg, and V. V. Yacovlev. "Verification of the PREFAB alignment database." Biophysics 57, no. 2 (March 2012): 133–37. http://dx.doi.org/10.1134/s0006350912020030.

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11

Adindu, Chinedu Chimdi, Susan Nnadzwa Yisa, Saheed Olanrewaju Yusuf, Joseph Kolawole Makinde, and Aliyu Muhammed Kamilu. "Knowledge, Adoption, Prospects and Challenges of Prefabricated Construction Method in Nigeria – An Empirical Study of North Central Geo-Political Zone." Journal of Art Architecture and Built Environment 3, no. 1 (June 2020): 01–24. http://dx.doi.org/10.32350/jaabe.31.01.

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Despite the numerous benefits of prefabricated construction method, there is unfortunately limited knowledge and adoption of this method in Nigeria’s construction industry. This study, therefore, seeks to assess the construction industry’s stakeholders’ level of knowledge and extent of adoption of prefabricated construction method in project delivery. It also evaluates the prospects and challenges of prefabricated construction considering the government’s huge annual investment in the nation’s construction industry sector. The methodology used in this study was descriptive survey involving a structured questionnaire administered to major construction industry stakeholders including the government, consultants, contractors, building material merchants, and construction financiers with practices in Nigeria’s north central geo-political zone. The study showed a low level of knowledge (MMS: 2.32) and low level of adoption (MMS: 2.13) of prefabricated construction method in Nigeria in general. It also revealed ‘Better Supervision’ (MS: 4.02) and ‘High Initial Costs’ (MS:3.62) as the highest prospects and challenges of prefabricated construction method among other identified factors. The study concluded that the low level of adoption arising from the low level of knowledge of prefab system in the nation’s construction industry was responsible for the myriad of delays in meeting project timelines, hence the prevalence of construction time–cost overruns. The current study recommends a review of the academic curriculum of built environment and professional development programmes to expand and deepen the prefab system training content. It also recommends wide adoption of prefab system considering their prospects of ensuring quality as a result of better supervision and suggests outsourcing on critical areas of organisations’ logistic weaknesses to minimize the problem of higher initial costs.

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12

Kim, Yong-Woo, Rahman Azari-N, June-Seong Yi, and Jinwoo Bae. "ENVIRONMENTAL IMPACTS COMPARISON BETWEEN ON-SITE VS. PREFABRICATED JUST-IN-TIME (PREFAB-JIT) REBAR SUPPLY IN CONSTRUCTION PROJECTS." Journal of Civil Engineering and Management 19, no. 5 (October 29, 2013): 647–55. http://dx.doi.org/10.3846/13923730.2013.795186.

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In the on-site rebar delivery system, as the common method of rebar supply in the construction industry, reinforced steel bars are delivered in large batches from supplier's facilities through contractor's warehouse to the construction site. Rebars are then fabricated on-site and installed after assembly. In the new delivery system, called prefabrication Just-In-Time (prefab-JIT) system, the off-site cut and bend along with frequent rebar delivery to the site are applied in order to improve the process and increase its efficiency. The main objective of this paper is to assess and compare the environmental impacts resulting from the air emissions associated with the two rebar delivery systems in a case study construction project. Environmental impact categories of interest include global warming, acidification, eutrophication, and smog formation. A process-based cradle-to-gate life cycle assessment methodology is applied to perform the analysis. The results show that the prefab-JIT rebar delivery system causes less contribution to all mentioned environmental impact categories compared with a traditional on-site delivery system.

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13

Csíki, Béla, and Károly Kôszeghy. "Prefab water towers for lower storage capacities." Concrete Structures 20 (2019): 14–19. http://dx.doi.org/10.32970/cs.2019.1.3.

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14

Kwaśniewski, A. Krzysztof. "First Observations on Prefab Posets’ Whitney Numbers." Advances in Applied Clifford Algebras 18, no. 1 (August 10, 2007): 57–73. http://dx.doi.org/10.1007/s00006-007-0054-7.

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15

Suau, Cristian. "Visionary Prefab in the Modern Age: Deconstructing Keaton’s Films." Modern and Sustainable, no. 44 (2011): 81–85. http://dx.doi.org/10.52200/44.a.p2hwovdv.

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This essay analyses Buster Keaton’s masterpieces: One Week (1920); The Haunted House (1921) and The Electric House (1922). His filmic work reveals the montage of mass housing prefabrication in the Modern Age in the United States: repetition and mechanisation of the building production; generic layouts; and modular like–catalogue constructions. Rather than following a sequential building process, these cases are executed as mere accidents or flaws. Buster Keaton’s films however show ironically a non–standardized architecture. This study analyses and compares Keaton’s film production with Catalog Modern House, a prefab dwelling manufactured and shipped by Sears,Roebuck and Co in the 20th century.

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16

Biswal, Gitanjali, Manoj Kumar Rath, and Sagarika Panda. "Strengthening of Prefab Slab using Fiber Reinforce Composites." Circulation in Computer Science MCSP2017, no. 01 (September 24, 2017): 27–29. http://dx.doi.org/10.22632/ccs-2017-mcsp035.

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The main objective of using strengthening of pre fab slab by wraping with frp to to make it more durable during shock as a modification for the prevention of shrinkage cracks. The aim of research is to strengthening of Pre-fab structures slab using glass fiber reinforced composites. Slabs will act as structural members; provide a sensible application for the new material because they can be casted as load bearing and non-load bearing concrete members.

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17

Cser, L. G., and J. Prohaszka. "CAD/CAM Integration in Prefabrication and Prefab Design." CIRP Annals 38, no. 1 (1989): 295–96. http://dx.doi.org/10.1016/s0007-8506(07)62707-3.

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18

Lindsley, Tom. "Prefab interface development and the problem of ease." Communication Design Quarterly 1, no. 2 (January 2013): 37–49. http://dx.doi.org/10.1145/2448926.2448929.

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19

Klinge, A., E. Roswag-Klinge, L. Radeljic, and M. Lehmann. "Strategies for circular, prefab buildings from waste wood." IOP Conference Series: Earth and Environmental Science 225 (February 24, 2019): 012052. http://dx.doi.org/10.1088/1755-1315/225/1/012052.

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20

Sorace, Stefano, and Gloria Terenzi. "Innovative Structural Solutions for Prefab Reinforced Concrete Hall-Type Buildings." Open Construction and Building Technology Journal 13, no. 1 (July 29, 2019): 149–63. http://dx.doi.org/10.2174/18748368019130149.

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Background:The anti-seismic design of prefab reinforced concrete buildings is usually carried out with a conventional ductility-based approach. This implies a remarkable plastic demand on columns, as well as damages to the connections of structural and non-structural members, for seismic events with comparable intensity to the basic design earthquake normative level.Objective:In view of this, a study was developed and aimed at extending to the field of new prefab reinforced concrete structures the application of advanced seismic protection strategies, capable of guaranteeing undamaged response up to the maximum considered earthquake normative level.Method:A benchmark building was designed as demonstrative case study for this purpose, in the three following hypotheses: (a) according to a traditional ductility-based approach; (b) by incorporating dissipative bracings, equipped with fluid viscous dampers; (c) by placing a seismic isolation system at the base, composed of a set of double curved surface sliders.Results:The results of the verification analyses show that the targeted performance for the design solutions b) and c) is obtained with sizes of columns and plinths notably smaller than those for the conventional design. This allows compensating the additional cost related to the incorporation of the protective devices, for the dissipative bracing system, and limiting additional costs below 25%, for the base isolation solution. At the same time, a supplemental benefit of the latter is represented by greater protection of contents and plants, as they are fully supported by the seismically isolated ground floor.Conclusion:The study highlights the advantages offered by the two advanced seismic protection technologies in an unusual field of application, guaranteeing an enhanced performance of structural and non-structural elements, as well as reduced member sizes, as compared to the traditional ductility-based design.

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21

Trotter, Leslie C., and Michael Raymond Pierrynowski. "Changes in Gait Economy Between Full-Contact Custom-made Foot Orthoses and Prefabricated Inserts in Patients with Musculoskeletal Pain." Journal of the American Podiatric Medical Association 98, no. 6 (November 1, 2008): 429–35. http://dx.doi.org/10.7547/0980429.

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Background: Specific kinematic and kinetic outcomes have been used to detect biomechanical change while wearing foot orthoses; however, few studies demonstrate consistent effects. We sought to observe changes in walking economy in patients with musculoskeletal pain across 10 weeks while wearing custom-made foot orthoses and prefabricated shoe inserts. Methods: In this crossover randomized controlled trial, 40 participants wore custom-made orthoses and prefabricated inserts for 4 weeks each, consecutively. The path length ratio was used to quantify walking economy by comparing the undulating path of a point in the pelvis with its direct path averaged across multiple strides. Results: For the prefab-custom group (n = 27), significant decreases in path length ratio (improved economy of gait) were noted at the initial introduction of prefabricated inserts (P = .02) and custom orthoses (P = .02) but maintained a trend toward improved economy only while wearing custom orthoses (P = .08). For the custom-prefab group (n = 13), there was worsening of the path length ratio that was significant after removing the custom-made orthoses for 4 weeks (P = .01). Conclusion: For patients with lower-extremity musculoskeletal pain, immediate improvements in economy of gait can be expected with both interventions. It seems, however, that only the custom-made orthoses maintain economy of gait for 4 weeks. Patients who begin wearing custom-made orthoses and then wear prefabricated insoles can expect a decrease in economy of gait. (J Am Podiatr Med Assoc 98(6): 429–435, 2008)

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22

Moon, Jong Wook, and Seo Hyung Lim. "A Study on Flame Retardant Applicable to Prefab Building." Residential Environment Institute Of Korea 14, no. 4 (November 17, 2016): 437–45. http://dx.doi.org/10.22313/reik.2016.14.4.437.

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23

Wan Mohamed, Wan Srihani, Yahaya Ahmad, Nik Fazlysham Nik Mat, and Aznida Azlan. "Prefab Materials for Self Build Housing System in Malaysia." Applied Mechanics and Materials 747 (March 2015): 250–53. http://dx.doi.org/10.4028/www.scientific.net/amm.747.250.

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Prefabricated system has been used extensively in many developed and developing countries to provide low cost housing. There are many case studies that took the advantage of prefabricated system as part of self help approach in house construction. Prefabricated system in self help housing proved to be cost effective, provide employment opportunities, utilise low skill levels and maximise local natural resources. Malaysia is also promoting prefabricated system to be used in low cost housing provision. There are obstacles to implement such technology into the conventional construction industry. This paper investigates the possibility of adapting local resources, such as timber, into prefabricated components as a mean to promote not only modular coordination concept but also promote self build approach in the community at a lower skill labour. It is not an immediate solution to housing issues yet it provides alternatives to house the low income group and contribute to increase the supply of housing.

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24

Newton, Clare, Sarah Backhouse, Ajibade Aibinu, Benjamin Cleveland, Robert Crawford, Dominik Holzer, Philippa Soccio, and Thomas Kvan. "Plug n Play: Future Prefab for Smart Green Schools." Buildings 8, no. 7 (July 5, 2018): 88. http://dx.doi.org/10.3390/buildings8070088.

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25

Limanto, Sentosa, and Johanes Indrojono Suwono. "Beam Column and Footings Connection of Simple Prefab Housing." Procedia Engineering 125 (2015): 838–42. http://dx.doi.org/10.1016/j.proeng.2015.11.050.

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26

Beecher, Mary Anne. "Inside Prefab: The Ready-made Interior, by Deborah Schneiderman." Interiors 5, no. 1 (March 2014): 119–21. http://dx.doi.org/10.2752/204191214x13944457108839.

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27

Furtak, Kazimierz, and Mariusz Hebda. "Damage to an overpass bridge from WBS prefab beams." MATEC Web of Conferences 284 (2019): 01002. http://dx.doi.org/10.1051/matecconf/201928401002.

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The article presents a description and analysis of the causes of damage to a road viaduct, made of prefabricated compressed beams of the WBS type in the 1970s. Both the design and damage are typical for objects made in those years. Damage results from the deck slab being too thin, low quality waterproof membrane, easily deformable deck surface, leaking bridge deck expansion joints, linear-contact bearings at excessively long spans, undurable drainage system elements. On the basis of the static and strength analysis, proposals for a way of repairing the viaduct were given, which, taking into account the occurrence of similar structural solutions in existing facilities, can be used as a guide when designing renovation and modernization.

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Xie, Qiu Chen, Feng Han, and Fang Chen. "Study of the Design Method for The Shape of Charge Curve of the Double Focusing Warhead." Applied Mechanics and Materials 444-445 (October 2013): 1152–57. http://dx.doi.org/10.4028/www.scientific.net/amm.444-445.1152.

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For the prefab fragments, firstly, according to the requirements of focusing regions and width at the lethal radius ,the method of pushing down has been used to design the shape of charge curve of the double focusing warhead initiated in the center of the warhead. Then, the warhead with this charge curve designed has been simulated by AUTODYN-3D.The results show that the charge curve designed which is divided into several independent arcs could satisfy the focusing effect. The design method is of great value to the engineering design for other kinds of warhead.

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29

Yerastov, Yuri. "Transitive be perfect : An experimental study of Canadian English." Canadian Journal of Linguistics/Revue canadienne de linguistique 57, no. 3 (November 2012): 427–57. http://dx.doi.org/10.1017/s0008413100002358.

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AbstractThis article investigates exemplars of the transitive be perfect in Canadian English, such as I am done dinner and I am finished my homework. I report on an experimental study of acceptability judgments of this construction, given by speakers of Canadian English primarily recruited from the Calgary area. I claim that the construction [be done NP] is characterized by preference for the animacy of the subject, preference for definiteness of the direct object, open-endedness of the direct object slot, and limited variability of the participle. I conclude that [be done NP] is a partially schematic construction that is close to a “prefab”.

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Kubečková, Darja, Vlastimil Matějka, Michal Kraus, Markéta Černá, Jana Kukutschová, and Libor Žídek. "Biotic Attack in Claddings of Prefabricated Buildings." Applied Mechanics and Materials 372 (August 2013): 189–94. http://dx.doi.org/10.4028/www.scientific.net/amm.372.189.

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Problems biotic attack facades of prefabricated buildings takes particular with regard to given increasing demands and requirements of thermal technique and energy. In the last twenty years, increased demands on thermal properties of exterior walls, increasing the thickness of thermal insulation, additional insulation contact changes prefabricated walls on multilayer circuit design, but at the same time claddings prefab evident adverse side effects in the form of color change in outer surface rendering locally and globally. In this paper are discussed laboratory tests on the sample confirmed the presence of external plaster façade panel biotic attach building, which is equipped with additional contact system.

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31

Glendinning, Miles. "Prefab housing and the future of building: product to process." Planning Perspectives 34, no. 1 (January 2, 2019): 182–83. http://dx.doi.org/10.1080/02665433.2019.1555654.

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32

Lozanovska, Mirjana. "Prefab Housing and the Future of Building: Product to Process." Fabrications 29, no. 2 (May 4, 2019): 293–310. http://dx.doi.org/10.1080/10331867.2019.1590760.

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33

Schellinkhout, A., and C. J. Collazos. "Full-Scale Application of the UASB Technology for Sewage Treatment." Water Science and Technology 25, no. 7 (April 1, 1992): 159–66. http://dx.doi.org/10.2166/wst.1992.0148.

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In recent years, many pilot-scale investigations were reported on the application of the UASB concept for sewage treatment. Information about large-scale experience is scarce, however. This paper describes the experience obtained with the design, construction and initial operation of a 160,000 PE (31,000 m3/day, 8 MGD) plant in Colombia, consisting of UASB reactors and a facultative pond in series. It describes the possibilities and limitations of the use of prefab concrete as a building material for UASB reactors. The real cost of erection of the plant was USD 17 per capita; the cost for operation and maintenance amounted to USD 1.50 per capita.

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Tribushinina, Elena. "Do Small Elephants Exist?" Toegepaste Taalwetenschap in Artikelen 79 (January 1, 2008): 31–41. http://dx.doi.org/10.1075/ttwia.79.04tri.

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In this study, I have tested the assumption that in child language acquisition dimensional adjectives are prototype-free by looking at the acquisition of these words by children. The results of longitudinal data from English and Dutch show that the predictions of the non-prototypicality hypothesis are disconfirmed. Children initially apply dimensional adjectives only to a restricted set of entities, most prominent of which are prototypical instantiations of the entity (e.g., 'tower' for tall). After having stored a critical mass of adjective-object pairings, children are able to make generalisations and extract spatial schemas. The findings provide support to Prefab Theory and Categorical Learning Theory, and disconfirm the predictions of Semantic Feature Theory.

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35

Meng, Xi, Caixia Wang, Weijie Liang, Suo Wang, Pan Li, and Enshen Long. "Thermal Performance Improvement of Prefab Houses by Covering Retro-reflective Materials." Procedia Engineering 121 (2015): 1001–7. http://dx.doi.org/10.1016/j.proeng.2015.09.069.

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36

Hanna, Awad S., George Mikhail, and Karim A. Iskandar. "State of Prefab Practice in the Electrical Construction Industry: Qualitative Assessment." Journal of Construction Engineering and Management 143, no. 2 (February 2017): 04016097. http://dx.doi.org/10.1061/(asce)co.1943-7862.0001236.

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37

Fu, Chuhao, Zhimin zheng, Cheuk Ming Mak, Zhaosong Fang, Majeed Olaide Oladokun, Yuchun Zhang, and Tianwei Tang. "Thermal comfort study in prefab construction site office in subtropical China." Energy and Buildings 217 (June 2020): 109958. http://dx.doi.org/10.1016/j.enbuild.2020.109958.

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38

Xu, Ming Xiu, Min Qiang Xu, Jian Wei Li, Jian Cheng Leng, and Shu Ai Zhao. "In Service Detection of 45 Steel’s Rotary Bending Fatigue Damage Based on Metal Magnetic Memory Technique." Advanced Materials Research 97-101 (March 2010): 4301–4. http://dx.doi.org/10.4028/www.scientific.net/amr.97-101.4301.

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In order to study the relation between metal fatigue damage and the associated magnetic memory signals, the detection theory was studied based on magneto mechanical effect, and the rotating bending fatigue experiments on 45 steel were carried out combined with on-line data collecting system. The magnetic signals along axis at prefab defects in the fatigue process were studied. Experimental results show that the characteristics of the magnetic signals are different at every different stage of the fatigue process, in particular the magnetic signal changing faster in the late fatigue process, which indicates that it is feasible to detect fatigue damage using metal magnetic memory technique. Accordingly, the method is proposed to detect the rotation-bending fatigue damage for specimens in service by magnetic signals.

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39

Nordyke. "Restyling the Postwar Prefab: The National Homes Corporation's Revolution in Home Merchandising." Buildings & Landscapes: Journal of the Vernacular Architecture Forum 25, no. 2 (2018): 66. http://dx.doi.org/10.5749/buildland.25.2.0066.

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40

Benkő, Melinda. "Budapest’s large prefab housing estates: Urban values of yesterday, today and tomorrow." Hungarian Studies 29, no. 1-2 (June 2015): 21–36. http://dx.doi.org/10.1556/044.2015.29.1-2.2.

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Bras, Ana, Chippagiri Ravijanya, Veronica Torres de Sande, Mike Riley, and Rahul V. Ralegaonkar. "Sustainable and affordable prefab housing systems with minimal whole life energy use." Energy and Buildings 220 (August 2020): 110030. http://dx.doi.org/10.1016/j.enbuild.2020.110030.

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Kumar, Ashok, Ajay Chaurasia, Sayantani Lal, Aditya Kumar, and Vijayraj. "Prefabricated Foundation System for Single Storey Houses." Journal for the Advancement of Performance Information and Value 8, no. 2 (October 3, 2016): 78. http://dx.doi.org/10.37265/japiv.v8i2.65.

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Prefabrication technologies have been used in the building industry since the 19th century. The technologies vary from the innovative materials to novel techniques of construction and the prefabricated systems range from individual components to the entire structure. The major prefabrication technologies prevalent today include sandwich panel walling elements, hollow core slabs, light gauge steel frames as well as modular housing. Even though prefabrication technologies have been widely used in slabs, beams and columns, prefab foundation system is still a relatively new concept. The construction of foundation is the most important part of building process and hence a sound prefabricated foundation system is the need of the hour. In this paper, an attempt has been made for construction of a portable prefabricated reinforced concrete foundation which can be used in buildings up to three storeys.

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Švajlenka, Jozef, Mária Kozlovská, Miroslav Badida, Marek Moravec, Tibor Dzuro, and František Vranay. "Analysis of the Characteristics of External Walls of Wooden Prefab Cross Laminated Timber." Energies 13, no. 22 (November 16, 2020): 5974. http://dx.doi.org/10.3390/en13225974.

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A balanced combination of heat flows creates suitable conditions for thermal comfort—a factor contributing to the quality of the internal environment of buildings. The presented analysis of selected thermal-technical parameters is up-to-date and suitable for verifying the parameters of building constructions. The research also applied a methodology for examining the acoustic parameters of structural parts of buildings in laboratory conditions. In this research, selected variant solutions of perimeter walls based on prefab cross laminated timber were investigated in terms of acoustic and thermal-technical properties. The variants structures were investigated in laboratory but also in model conditions. The results of the analyses show significant differences between the theoretical or declared parameters and the values measured in laboratory conditions. The deviations of experimental measurements from the calculated or declared parameters were not as significant for variant B as they were for variant A. These findings show that for these analyzed sandwich structures based on wood, it is not always possible to reliably declare calculated values of thermal-technical and acoustic parameters. It is necessary to thoroughly examine such design variants, which would contribute to the knowledge in this field of research of construction systems based on wood.

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Navarro-Rubio, Jorge, Paloma Pineda, and Roberto Navarro-Rubio. "Efficient Structural Design of a Prefab Concrete Connection by Using Artificial Neural Networks." Sustainability 12, no. 19 (October 6, 2020): 8226. http://dx.doi.org/10.3390/su12198226.

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In the built environment, one of the main concerns during the design stage is the selection of adequate structural materials and elements. A rational and sensible design of both materials and elements results not only in economic benefits and computing time reduction, but also in minimizing the environmental impact. Nowadays, Artificial Neural Networks (ANNs) are showing their potential as design tools. In this research, ANNs are used in order to foster the implementation of efficient tools to be used during the early stages of structural design. The proposed networks are applied to a dry precast concrete connection, which has been modelled by means of the Finite Element Method (FEM). The parameters are: strength of concrete and screws, diameter of screws, plate thickness, and the posttensioning load. The ANN input data are the parameters and nodal stresses obtained from the FEM models. A multilayer perceptron combined with a backpropagation algorithm is used in the ANN architecture, and a hyperbolic tangent function is applied as an activation function. Comparing the obtained predicted stresses to those of the FEM analyses, the difference is less than 9.16%. Those results validate their use as an efficient structural design tool. The main advantage of the proposed ANNs is that they can be easily and effectively adapted to different connection parameters. In addition, their use could be applied both in precast or cast in situ concrete connection design.

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Sorace, Stefano, and Gloria Terenzi. "Existing prefab R/C industrial buildings: Seismic assessment and supplemental damping-based retrofit." Soil Dynamics and Earthquake Engineering 94 (March 2017): 193–203. http://dx.doi.org/10.1016/j.soildyn.2017.01.023.

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Haller, Martin, and Lars Stehn. "Increasing the Accuracy of a Prefab Building Design Process Simulation Using Simulated Annealing." Procedia Engineering 85 (2014): 214–21. http://dx.doi.org/10.1016/j.proeng.2014.10.546.

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OTSUKI, Masato, Hideaki MASUDA, Hideki Uesugi, and Osami SUGAWA. "446 Numerical Simulation of Prefab Parking Fire Using Experimental Database of Automotive Combustion." Proceedings of the JSME annual meeting 2005.2 (2005): 357–58. http://dx.doi.org/10.1299/jsmemecjo.2005.2.0_357.

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Ostanska, Anna. "Improving Condition of Prefab Multifamily Housing Stock: User Perspective Assessed via Direct Survey." IOP Conference Series: Materials Science and Engineering 471 (February 23, 2019): 072037. http://dx.doi.org/10.1088/1757-899x/471/7/072037.

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Na, Su Yeun, Min Hee Chung, Jong Ryeul Sohn, and Jin Chul Park. "A Study Regarding the Diminutive Effect of Emission of Indoor Air Pollutant (HCHO, TVOC) from After-Treatment Materials such as Ceramic and Catalyst." Materials Science Forum 544-545 (May 2007): 1–4. http://dx.doi.org/10.4028/www.scientific.net/msf.544-545.1.

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1) Upon comparing Ceramic products, which have been made into samples by the exactly same construction method as prefabbed wall of apartment, with the existing products, it is revealed that there would beno diminution effect on Pollutants like TVOC and HCHO. On the contrary, from the Ceramic applied prefab-wall, some pollutants, which were not seen from normal wall-panel, had been emitted additionally. 2) When we spreaded seven kinds of catalyst products on the surface of samples of MDF furniture and tested, two of those applied samples showed stronger tendency regarding the TVOC and HCHO emission than unapplied samples. Consequently, it is clarified that there's no effect of eliminating the pollutants like TVOC and HCHO from the application of catalysts as well as ceramic. In this regard, when we consider all the results collectively which were earned from these analysises up to now, using indiscreet after-treatment materials in residential place should be applied only after prudent examination.

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Dave, Malay, Bruce Watson, and Deo Prasad. "Performance and Perception in Prefab Housing: An Exploratory Industry Survey on Sustainability and Affordability." Procedia Engineering 180 (2017): 676–86. http://dx.doi.org/10.1016/j.proeng.2017.04.227.

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