Relevant bibliographies by topics / Retrofitted external wall insulation / Journal articles

Journal articles on the topic 'Retrofitted external wall insulation'

To see the other types of publications on this topic, follow the link: Retrofitted external wall insulation.
Author: Grafiati
Published: 10 December 2022
Last updated: 28 January 2023

Create a spot-on reference in APA, MLA, Chicago, Harvard, and other styles

Select a source type:

Consult the top 50 journal articles for your research on the topic 'Retrofitted external wall insulation.'

Next to every source in the list of references, there is an 'Add to bibliography' button. Press on it, and we will generate automatically the bibliographic reference to the chosen work in the citation style you need: APA, MLA, Harvard, Chicago, Vancouver, etc.

You can also download the full text of the academic publication as pdf and read online its abstract whenever available in the metadata.

Browse journal articles on a wide variety of disciplines and organise your bibliography correctly.

1

Hopper, Joanne, John R. Littlewood, Tim Taylor, John A. M. Counsell, Andrew Michael Thomas, George Karani, Andrew Geens, and Nick I. Evans. "Assessing retrofitted external wall insulation using infrared thermography." Structural Survey 30, no. 3 (July 6, 2012): 245–66. http://dx.doi.org/10.1108/02630801211241810.

Full text
APA, Harvard, Vancouver, ISO, and other styles
2

Gonçalves, Márcio, Catarina Serra, Nuno Simões, Inês Flores-Colen, Carolin Kokolsky, and Christoph Sprengard. "Onsite monitoring of a wall retrofitted with an external vacuum insulation composite system." Journal of Building Engineering 44 (December 2021): 103301. http://dx.doi.org/10.1016/j.jobe.2021.103301.

Full text
APA, Harvard, Vancouver, ISO, and other styles
3

Lucchesi, Svendsen, and Koldtoft. "Internal Insulation of Preservation Worthy Facades." Journal of Physics: Conference Series 2069, no. 1 (November 1, 2021): 012084. http://dx.doi.org/10.1088/1742-6596/2069/1/012084.

Full text
Abstract:
Abstract With international awareness of the need to decrease greenhouse gas emissions, the Danish government set a target to be fossil fuel-free by 2050. To achieve that, existing buildings will need to be retrofitted with energy-saving technologies such as improved thermal insulation. In Denmark, a larger mass of the building stock from around 1850 to the 1940s is preservation worthy. The construction is typically solid brick walls with wooden beams on the floors. This creates a challenge for energy retrofitting since the external facades cannot be altered. The application of internal insulation can influence the temperature and moisture profile of the wall. Moisture builds up in the interface between the original brick wall, and the insulation layer can create an environment where mould can grow. Previous research also demonstrated a risk of moisture build-up at the beam-ends when internal insulation is applied. Saint-Gobain ISOVER has, together with DTU, spent five years developing a new system, ISOVER RetroWall System, which addresses these problems. The presented work will include a short introduction to the concept, results and conclusions from the field test and presentation of two sites with the finished system in use.
APA, Harvard, Vancouver, ISO, and other styles
4

Griffiths, Richard, and Steve Goodhew. "Sustainability of solid brick walls with retrofitted external hemp‐lime insulation." Structural Survey 30, no. 4 (August 24, 2012): 312–32. http://dx.doi.org/10.1108/02630801211256661.

Full text
APA, Harvard, Vancouver, ISO, and other styles
5

Glew, David, Matthew Brooke-Peat, and Christopher Gorse. "Modelling insulated coving's potential to reducing thermal bridging and moisture risk in solid wall dwellings retrofitted with external wall insulation." Journal of Building Engineering 11 (May 2017): 216–23. http://dx.doi.org/10.1016/j.jobe.2017.04.013.

Full text
APA, Harvard, Vancouver, ISO, and other styles
6

Byrne, Aimee, Gerry Byrne, Garrett O’Donnell, and Anthony Robinson. "Case studies of cavity and external wall insulation retrofitted under the Irish Home Energy Saving Scheme: Technical analysis and occupant perspectives." Energy and Buildings 130 (October 2016): 420–33. http://dx.doi.org/10.1016/j.enbuild.2016.08.027.

Full text
APA, Harvard, Vancouver, ISO, and other styles
7

Silvestre, José D., André M. P. Castelo, José J. B. C. Silva, Jorge M. C. L. de Brito, and Manuel D. Pinheiro. "Energy Retrofitting of a Buildings’ Envelope: Assessment of the Environmental, Economic and Energy (3E) Performance of a Cork-Based Thermal Insulating Rendering Mortar." Energies 13, no. 1 (December 27, 2019): 143. http://dx.doi.org/10.3390/en13010143.

Full text
Abstract:
This paper presents an environmental, economic and energy (3E) assessment of an energy retrofitting of the external walls of a flat of an average building with the most current characteristics used in Portugal. For this intervention, a cork-based (as recycled lightweight aggregate) TIRM (Thermal Insulating Rendering Mortar) was considered. The declared unit was 1 m2 of an external wall for a 50-year study period and the energy and economic costs and savings, as well as the environmental impacts, were analytically modelled and compared for two main alternatives: the reference wall without any intervention and the energetically rehabilitated solution with the application of TIRM. Walls with improved energy performance (with TIRM) show lower economic and environmental impacts: reductions from 6% to 32% in carbon emissions, non-renewable energy consumption and costs during the use stage, which depends on the thickness and relative place where TIRM layers are applied. A worse energy performance is shown by reference walls (without TIRM) during the use stage (corresponding to energy used for heating and cooling), while the improved walls present economic and environmental impacts due to the application of TIRM (including the production, transport and application into the building) that do not exist in the reference walls. The comparison between reference walls and energy-retrofitted ones revealed that reference wall become be more expensive when more demanding operational energy requirements are analysed over a 50-year period, even if renewable materials are more expensive.
APA, Harvard, Vancouver, ISO, and other styles
8

Volkova, K., M. Põldaru, S. Ilomets, T. Kalamees, M. Talvik, and D. Heim. "The effect of temperature, humidity and mechanical properties on crack formation on external thin plasters of ETICS." Journal of Physics: Conference Series 2069, no. 1 (November 1, 2021): 012025. http://dx.doi.org/10.1088/1742-6596/2069/1/012025.

Full text
Abstract:
Abstract External Thermal Insulation Composite Systems (ETICS) are widely used in the northern hemisphere in retrofitted and new external walls. The outer layer of ETICS is usually a thin layer of plaster. The effects of temperature and humidity on the hygrothermal behaviour and mechanical properties of thin plasters have been quantified by conducting several experiments to determine the possibility of crack formation. Combinations of plasters using four types of binders are tested: mineral, polymer, silicate and silicone. Plasters are tested as four systems consisting of a base coat, a glass-fibre reinforcement mesh and a finishing coat. Sorption curves of the plaster systems are determined to gather data for numerical simulations. The coefficients of thermal and hygroscopic expansion are determined. The modulus of elasticity and tensile strength of four different plasters are measured to allow the calculation of crack formation in ETICS and suggest the distances between the deformation joints. The method demonstrated in this paper makes it possible to calculate the crack formation caused by the temperature and moisture shrinkage in the thin exterior plaster of ETICS.
APA, Harvard, Vancouver, ISO, and other styles
9

Martel, Tim, Eric Rirsch, Andrew Simmonds, and Clementine Walker. "The monitoring of wall moisture in a property retrofitted with Internal Wall Insulation." Case Studies in Construction Materials 14 (June 2021): e00520. http://dx.doi.org/10.1016/j.cscm.2021.e00520.

Full text
APA, Harvard, Vancouver, ISO, and other styles
10

Peng, Xuan Wei. "Numerical Analysis on the Influence of Thermal Insulation Way of Closure on Smoke Flow Properties in Building Fire." Applied Mechanics and Materials 353-356 (August 2013): 3020–24. http://dx.doi.org/10.4028/www.scientific.net/amm.353-356.3020.

Full text
Abstract:
The fire smoke flow prediction software developed successfully was applied to simulate a simple building. The effect of different wall structures on the fire smoke flow properties were compared under the condition of same thermal resistance of external wall. Heat absorption of wall has a cooling effect on indoor air in fire process. Wall with external insulation has the most significant cooling effect on indoor air, and that with internal insulation has the weakest. The effect of intermediate insulation is close to external insulation and that of bilateral insulation close to internal insulation. Room temperature and smoke concentration of internal insulation are both higher markedly than of external insulation. The effect of intermediate insulation is close to external insulation and bilateral insulation close to internal insulation. External insulation added to the closure helps to cool indoor air in the fire process. Intermediate insulation should be chosen to add to the inner wall when needed because of the uncertainty of fire location.
APA, Harvard, Vancouver, ISO, and other styles
11

Tink, Victoria, Stephen Porritt, David Allinson, and Dennis Loveday. "Measuring and mitigating overheating risk in solid wall dwellings retrofitted with internal wall insulation." Building and Environment 141 (August 2018): 247–61. http://dx.doi.org/10.1016/j.buildenv.2018.05.062.

Full text
APA, Harvard, Vancouver, ISO, and other styles
12

Cui, Hai Hong. "Structure and Construction Technology of New-Type External Thermal Insulation in Outer Wall." Applied Mechanics and Materials 353-356 (August 2013): 2813–16. http://dx.doi.org/10.4028/www.scientific.net/amm.353-356.2813.

Full text
Abstract:
There are many kinds of external wall thermal insulation, such as wire mesh, rock wool board external insulation, powder particles of polystyrene insulation slurry, and EPS exterior insulation, etc. Among all these technologies, the technology of EPS external insulation composite wall is applied more and more in China. This article aims at the research of the EPS external thermal insulation composite wall structure and the relevant construction technology.
APA, Harvard, Vancouver, ISO, and other styles
13

Guo, Shu Rong. "The Application and Developmental Trend of Exterior Wall External Insulation." Applied Mechanics and Materials 174-177 (May 2012): 1367–71. http://dx.doi.org/10.4028/www.scientific.net/amm.174-177.1367.

Full text
Abstract:
Materials for exterior wall external insulation have various types and the uneven development in different areas. Based on the studies of related works, exterior wall external insulation can be generalized as four series according to the construction technologies, which includes the series of the plug-in insulation materials, the slurry and spray, the concrete sandwich heat insulation, and the energy-saving inorganic insulation materials. Associated with China’s situation, the application features and developmental prospect of main exterior wall external insulation materials in every series have been emphasized, and furthermore, several suggestions have been given to the development of exterior wall external insulation materials in China.
APA, Harvard, Vancouver, ISO, and other styles
14

Gu, Qian, Yue Wang, Bin Tan, and Sheng Ren. "Analysis of Heat Transfer by Thermal Bridge of Corner Wall in a New Glass Regenerated Pumice External Wall System." Applied Mechanics and Materials 291-294 (February 2013): 954–59. http://dx.doi.org/10.4028/www.scientific.net/amm.291-294.954.

Full text
Abstract:
This paper was based on heat insulating members made by a new type of waste glass regenerative pumice, with the characteristics of light weight, permeable water retention, ventilation, heat insulation, fire retardant, etc. In the external wall heat insulating system of building envelops, the thermal bridge of external wall corner was simulated with ANSYS. The temperature field and flux field distribution will be shown respectively of non-insulation, self-insulation, internal insulation and external insulation. Through comparing the heat preservation of different insulation forms, the external insulation was better than internal insulation and self-insulation. Besides, considering the imperfection of calculating the wall average heat transfer coefficient in current energy saving standards, a simplified method was presented to calculate the linear heat transmission coefficient with ANSYS. The two coefficients were compared to serve the latest research.
APA, Harvard, Vancouver, ISO, and other styles
15

Tian, Yu Ze, and Yang Yu. "Analysis of Anshan Existing Residential Building Exterior Wall Energy Saving Reconstruction." Advanced Materials Research 1004-1005 (August 2014): 1565–69. http://dx.doi.org/10.4028/www.scientific.net/amr.1004-1005.1565.

Full text
Abstract:
This paper introduces the present situation of existing residential building energy saving reconstruction of Anshan area, the result of the analysis is that the renovation of retaining structure is the key of the reconstruction of existing residential buildings of Anshan. Exterior wall area ratio of the total area of the building envelope accounts for quite large, so transformation of exterior wall is the key. Energy saving wall approach divided into external wall insulation and exterior insulation. Analysis of energy-saving measures by the external wall insulation, and the external wall of a residential district in Anshan city and analysis of thermal insulation and energy saving renovation case, better energy-saving effect, energy saving measures of external economy more external insulation, the region has provided the reference and basis transformation of external wall energy-saving residence building.
APA, Harvard, Vancouver, ISO, and other styles
16

Qian, Feng. "Insulation and Energy-Saving Technology for the External Wall of Residential Building." Advanced Materials Research 1073-1076 (December 2014): 1263–70. http://dx.doi.org/10.4028/www.scientific.net/amr.1073-1076.1263.

Full text
Abstract:
The text elaborates on the significance and profile of insulation system for external wall of residential buildings in our country, makes comprehensive comparison among the external wall's self-insulation system, external wall's internal insulation system, sandwich composite insulation system and external wall's external insulation system, and reveals that the external wall's external insulation system has the advantage of strong feasibility, law cost, effective heat insulation break bridge and protective structure, which offers great potential for existing buildings in energy-saving rebuilding, thus finding a widest application and enjoying a promising market prospects.
APA, Harvard, Vancouver, ISO, and other styles
17

Zhang, Xin Hua, Jian Xin Liu, and Hong Zhuan Zhang. "Building External Wall Thermal Insulation Construction Quality Safety Measures Analysis." Applied Mechanics and Materials 253-255 (December 2012): 646–49. http://dx.doi.org/10.4028/www.scientific.net/amm.253-255.646.

Full text
Abstract:
The external wall thermal insulation technology in building energy saving is widely used in engineering, but in general it faces some quality security problems, this paper insulation material selection, exterior insulation system and its safety, fire redundancy and external wall construction corresponding measures on the analysis. So as to the engineering quality safety problems have prevention in the role of the external wall thermal insulation technology obtain the considerable development.
APA, Harvard, Vancouver, ISO, and other styles
18

Busselli, Matteo, Davide Cassol, Alessandro Prada, and Ivan Giongo. "Timber Based Integrated Techniques to Improve Energy Efficiency and Seismic Behaviour of Existing Masonry Buildings." Sustainability 13, no. 18 (September 17, 2021): 10379. http://dx.doi.org/10.3390/su131810379.

Full text
Abstract:
The retrofit solutions studied herein aim to improve the seismic and energetic behaviours of existing masonry buildings to guarantee safety and the preservation of the building heritage. The retrofit consists of timber-based products (panels and strong-backs) fixed to the masonry walls using mechanical point-to-point connections; the durability and the hygrothermal performance of the solutions are guaranteed by insulation layers and membranes. The thermophysical properties of the retrofitted walls were evaluated by means of analytical and numerical analyses, considering the heat transmission in both steady and unsteady state conditions and the thermal bridge in correspondence with the corner of the wall. The in-plane seismic behaviour of the retrofitted walls was numerically investigated through nonlinear analyses. The influence of various parameters (such as masonry and insulation properties) on the performance of the retrofit solutions was analysed via parametric simulations.
APA, Harvard, Vancouver, ISO, and other styles
19

Ouyang, Chen Bing, Ying Chen, and Yi Wang. "Causes of Cracks of External Wall Insulation." Advanced Materials Research 328-330 (September 2011): 721–25. http://dx.doi.org/10.4028/www.scientific.net/amr.328-330.721.

Full text
Abstract:
With construction of the growing amounts of energy saving buildings, there are defects cracks in external wall insulation because of lack of construction and management experience. The purpose of this study is to find out main causes of cracks of external wall insulation covered by ceramic tile, to conduct construction industry to control engineering quality by paying attention on them. On basis of document study, field investigation to construction workers, supervisors, project managers, both material and construction causes of cracks are studied by investigation and designed questionnaires, including 32 detailed reasons and their harmful levels. Meanwhile, the base data from them is analyzed, and Pareto charts of causes of crack are drawn accordingly. The result shows that grid cloth and plaster mortar are the main material reasons, and that plaster mortar construction, grid cloth laid, detail treatment, configuration of plaster mortar are the main construction reasons.
APA, Harvard, Vancouver, ISO, and other styles
20

Zhang, Sheng Ju, and Xin Gang Wang. "Application and Feature Analysis of some Kinds of New A-Class Fire Protection Exterior Insulation and Finish Systems in Hot-Summer and Cold-Winter Area." Advanced Materials Research 1065-1069 (December 2014): 1739–42. http://dx.doi.org/10.4028/www.scientific.net/amr.1065-1069.1739.

Full text
Abstract:
According to the requirements promulgated by the state on the class of fire protection of the building insulation materials, the paper, on the basis of common external wall insulation system, introduces 3 kinds of new exterior insulation and finish systems , SJN combined self-thermal insulation wall insulation system, STP ultrathin vacuum insulation board exterior wall insulation system, composite exterior wall insulation system of polyurethane sandwich board, which are up to the national standard of A-class fire protection. The compositions, construction process, and features of above 3 kinds of new exterior insulation and finish systems are analyzed. The conclusions may provide theoretical guidance to the proper use of these 3 new external wall insulation systems in hot-summer and cold-winter area.
APA, Harvard, Vancouver, ISO, and other styles
21

Zhang, Shu Guo, Yan Fang, and Jun Ju Jia. "Study on Fuzzy Comprehensive Evaluation of External Wall Thermal Insulation and Energy-Saving Technology." Applied Mechanics and Materials 71-78 (July 2011): 1435–39. http://dx.doi.org/10.4028/www.scientific.net/amm.71-78.1435.

Full text
Abstract:
The current evaluation process of architecture external wall thermal insulation energy-saving has met the problems such as information incompleteness and fuzziness. In order to solve the problems, the fuzzy comprehensive evaluation method is used, and the external wall thermal insulation energy-saving technique evaluation index system is set. And the method is adopt to compare between the walls using and not using the technology. The result shows that the evaluation of the external wall using thermal insulation energy-saving technique is obviously better than the result of the external wall not using the technique, so the thermal insulation energy-saving material should be promoted and applied nation-widely.
APA, Harvard, Vancouver, ISO, and other styles
22

Tong, Zhi Neng. "The Application of Energy-Saving Wall Insulation." Applied Mechanics and Materials 641-642 (September 2014): 1037–39. http://dx.doi.org/10.4028/www.scientific.net/amm.641-642.1037.

Full text
Abstract:
This paper expounds the importance of wall insulation energy-saving wall insulation materials, introduces the characteristics and process practice requirements. Bring forth the new through the old to accelerate energy-saving technical insulation wall material, plays a positive role in promoting to create a more comfortable living environment, provide the beneficial reference for the wall heat preservation and energy saving. Building energy saving is the main content of environmental protection and energy conservation, is an important part of sustainable development. Residential building energy-saving work unceasingly thorough, continuously improve the energy efficiency standards, the development of many new energy-saving technology, vigorously promote the use of residential buildings. But the current level of building energy saving, but also far lower than developed countries. So the building energy conservation is an important task of building industry. In the construction of the external retaining structure, the heat loss, the supporting structure of the external wall and a big share. Development and reform of building wall and wall energy saving technology is the main content of building energy-saving technology, the development of external insulation materials and energy-saving technology is the main way to achieve energy-saving building. Thermal insulation external wall energy saving is mainly divided into exterior insulation and exterior wall insulation two categories.
APA, Harvard, Vancouver, ISO, and other styles
23

Yao, Jia Wei, Zhao Ming Hou, and Yi Shu Yao. "Insulation and Fireproof Performance of Several New Materials for Exterior Wall." Applied Mechanics and Materials 174-177 (May 2012): 1290–93. http://dx.doi.org/10.4028/www.scientific.net/amm.174-177.1290.

Full text
Abstract:
Exterior insulation is currently promoting a building energy-saving insulation technology. Compared with internal insulation, it is a reasonable technique and has its obvious advantages. However, in the insulation material, thermal insulation effect is better, fireproof performance is often worse. Through analyzing several external wall insulation materials’ insulation and fireproof performance, the article recommends a kind of external wall thermal insulation material with good insulation and fireproof performance, to meet the construction needs.
APA, Harvard, Vancouver, ISO, and other styles
24

Huang, Zhijia, Yadong Sun, Lin Gan, Guo Liu, Yang Zhang, and Tao Zhou. "Durability Analysis of Building Exterior Thermal Insulation System in Hot Summer and Cold Winter Area Based on ANSYS." Sustainability 14, no. 9 (May 9, 2022): 5702. http://dx.doi.org/10.3390/su14095702.

Full text
Abstract:
External thermal insulation systems often have durability problems, including cracking, hollowing, and falling off, which seriously affect safety and energy-saving effects. Based on finite element theory and using ANSYS software, this paper studies the distribution law of the temperature field and temperature stress of the external thermal insulation system. It was found that, compared with an uninsulated wall, the temperature stress of the substrate in summer was reduced by 52.9%, and the temperature stress of the substrate in winter was reduced by 50.9%. The temperature stress is mainly concentrated in the middle position of the external wall insulation system, and the middle of the wall can appear as a hollow drum and fall off. When the temperature of the external wall surface is 60 °C, the maximum temperature stress of the insulation system is 2.46 MPa, compared with the external wall surface of 70 °C—a decrease of 22.2%; the maximum temperature stress on the substrate is 0.46 MPa—a decrease of 20.7%. When the temperature of the outer wall surface is 50 °C, the maximum temperature stress suffered by the insulation system is 1.75 MPa, compared with the outer wall surface of 70 °C—a decrease of 44.4%. Meanwhile, the maximum temperature stress suffered by the substrate is 0.34 MPa—a decrease of 41.4%. This paper investigates and numerically simulates the durability of external wall insulation systems for buildings in hot summer and cold winter regions, and studies the durability of EPS insulation, which can provide guidance for other insulation material design and durability studies.
APA, Harvard, Vancouver, ISO, and other styles
25

Ma, Hai Bin, Rong Bai, and Xue Bai. "Research on Construction Technology of External Insulation and Economic Analysis of XPS Board External Wall of Pasted Dovetail Groove." Advanced Materials Research 476-478 (February 2012): 1743–48. http://dx.doi.org/10.4028/www.scientific.net/amr.476-478.1743.

Full text
Abstract:
Abstract. The structure, construction method, process theory, technical requirements and economic analysis of pasted dovetail board XPS board are described by taking the engineering case analysis as examples. Compared with the existing external wall insulation board, the technology is characterized by excellent insulation effect, less product auxiliary materials, easy recognition on the quality of auxiliary materials, simpler and more convenient construction, and construction period and cost-saving. The construction technology of the external wall external insulation of pasted dovetail groove XPS board is energy-conservation, eco-friendly and has remarkable efficiency. It can be widely promoted and used in the external wall external insulation project which requires energy-conservation.
APA, Harvard, Vancouver, ISO, and other styles
26

Xu, Ming Gang, Xu Wang, and Zhuo Wei Ding. "Development of Out-Wall External Thermal Insulation System Based on Rock-Wool." Applied Mechanics and Materials 174-177 (May 2012): 1589–92. http://dx.doi.org/10.4028/www.scientific.net/amm.174-177.1589.

Full text
Abstract:
The outer-wall thermal insulation system has been wide used in civil engineering as an effective energy-saving measure. At present, the organic flammable thermal insulation materials such as EPS and XPS are used in outer-wall thermal insulation system in China, which leads to great fire damage probably. The rock-wool is described in detail on its merits such as good thermal insulation performance, good sound insulation performance, light weight, low thermal conductivity coefficient, incombustibility, innocuity and stable chemical capability. Two popular outer-wall external thermal insulation systems are introduced. The construction sequence of the outer-wall external thermal insulation system with rock-wool slabs, mortar and thin layer plastering technology is described.
APA, Harvard, Vancouver, ISO, and other styles
27

Okunev, A. Yu. "OPTIMIZATION OF EXTERNAL WALL INSULATION IN PRIVATE BUILDINGS." Vestnik Tomskogo gosudarstvennogo arkhitekturno-stroitel'nogo universiteta. JOURNAL of Construction and Architecture, no. 1 (February 27, 2019): 126–39. http://dx.doi.org/10.31675/1607-1859-2019-21-1-126-139.

Full text
Abstract:
The paper deals with minimization of cost expenses on insulation and operation of buildings. The thickness of thermal insulation of enclosure structures are calculated using the proposed quadratic equation with cost parameters, such as heat production, heat insulation, facades, heating system, and cost expenses. The dynamics of the consumer price index and the cost of energy carriers for the population are analyzed in order to obtain the necessary set of initial data. The study is conducted on the example of Moscow and the Moscow region. Newly erected buildings, both with single-layer and multi-layer walls are considered as well as the building insulation at a stage of repair or reconstruction. The obtained optimum values of the heat resistance vary several times, both significantly lower and higher than the standard values depending on the specific task.
APA, Harvard, Vancouver, ISO, and other styles
28

Yuan, Jihui. "Impact of Insulation Type and Thickness on the Dynamic Thermal Characteristics of an External Wall Structure." Sustainability 10, no. 8 (August 9, 2018): 2835. http://dx.doi.org/10.3390/su10082835.

Full text
Abstract:
The dynamic thermal characteristics of external wall structures are directly related to indoor thermal comfort and energy savings in buildings; they are also complicated and worth investigating. Thermal insulation in external wall structures has become a popular topic of investigation in the domain of building energy efficiency. This study aims to find the impact of insulation type and thickness on the dynamic thermal characteristics of external wall structures using a homogeneous multi-layer building external wall structure and three types of insulation materials that are widely used in Japan. The impact of insulation type and thickness on seven thermal characteristics of external walls, including thermal transmittance, decrement factor or amplitude attenuation, time lag, thermal admittance, time lead for thermal admittance, surface factor, and thermal capacity, was evaluated by numerical methods in this study. It was shown that insulation type and thickness would have a significant effect on thermal transmittance, decrement factor and time lag, but yield no significant change in thermal admittance, time lead for thermal admittance, surface factor, and the thermal capacity of external wall structures.
APA, Harvard, Vancouver, ISO, and other styles
29

Axaopoulos, Ioannis, Petros Axaopoulos, John Gelegenis, and Emmanouil D. Fylladitakis. "Optimum external wall insulation thickness considering the annual CO2 emissions." Journal of Building Physics 42, no. 4 (May 22, 2018): 527–44. http://dx.doi.org/10.1177/1744259118774711.

Full text
Abstract:
Increasing the insulation thickness in residential buildings leads to the reduction of operational CO2 emissions but simultaneously increases the embodied CO2 due to the insulation material. The environmentally optimum insulation thickness exists at a point where the total CO2 emissions are minimum. This work presents the optimum insulation thickness for external walls of different composition and orientation, for both the heating and the cooling period. Three different wall types and insulation materials are being presented. The dynamic thermal behavior of the external walls simulation is based on the heat conduction transfer functions method and using the hourly climatic data available for the city of Athens, Greece. The optimization methodology uses a single objective function approach, combining the simulation of the thermal behavior of external walls with an optimization algorithm. The results indicate that the optimum insulation thickness varies from 11.2 to 23.4 cm and is different for each orientation, wall type, and insulation material. In addition, the total annual CO2 emissions per unit area of the wall can be reduced by 63.2%–72.2%, depending on the insulation material and its position on the wall.
APA, Harvard, Vancouver, ISO, and other styles
30

Lv, Chun. "Status and Development Trend of Energy-Saving Wall Materials in Cold Areas." Advanced Materials Research 150-151 (October 2010): 630–33. http://dx.doi.org/10.4028/www.scientific.net/amr.150-151.630.

Full text
Abstract:
The primary factor in reducing building energy consumption is the wall energy, but thickening the walls simply and using traditional materials to reduce energy consumption has become unable to satisfy the development trend at the present stage. Energy-saving wall materials include organic wall insulation, inorganic wall insulation and composite wall insulation. According to the construction technology, insulation wall can be divided into internal insulation wall, sandwich insulation wall and external insulation wall etc.. Polyurethane foam and other new energy-saving materials are widely used, whicth will become the main energy-saving materials in the northern cold areas.
APA, Harvard, Vancouver, ISO, and other styles
31

Lan, Yirui, and Ran Zou. "Study on Thermal Performance Measurement and Construction of Passive Exterior Wall with Low Energy: Teaching and Laboratory Building of Shandong Jianzhu University." Advances in Materials Science and Engineering 2022 (June 3, 2022): 1–11. http://dx.doi.org/10.1155/2022/3253085.

Full text
Abstract:
It can provide theoretical support for the optimal design of low-energy walls by measuring the actual thermal conditions inside the walls of passive low-energy buildings and studying the rationality of the wall structure design. Taking the teaching and laboratory building of Shandong Jianzhu University as an example, this paper explores the method of using temperature and humidity sensor to measure the air temperature and humidity inside the wall to represent the solid temperature and humidity of the wall. Based on the measured data and calculation results, the rationality of the structure of the test external wall is analyzed from four aspects: the performance of insulation, the moisture drain performance of wall, the ability of preventing the penetration of the hot and humid air of the inner wall, and the waterproof performance of the outer wall. Results show that the external wall structure of polystyrene board (200 mm thick) for external insulation and thin plastering has good practical operation effect in three aspects of thermal insulation, internal moisture discharge, and external wall waterproof, which basically meets the design requirements of external wall of passive house in Germany. In terms of moisture protection of the inner wall, the inner wall of cement mortar (15 mm thick) may not be able to effectively prevent the infiltration of indoor hot and humid air. Thus, the insulation layer should be added into the external wall. In addition, the moisture inside the wall is obviously affected by the season. The drain performance of moisture inside the wall mainly occurs in the sweltering heat, and the drain direction is from the indoor side to the outdoor side. In the external insulation structure, there are two layers of graphite polystyrene plate (100 mm thick), and the insulation effect of polystyrene plate near the outdoor side is better than that near the indoor side. The combination of anticrack mortar (5 mm thick) and paint cannot completely prevent the infiltration of rainwater, but the infiltration of rainwater in the wall will be quickly discharged in a short time.
APA, Harvard, Vancouver, ISO, and other styles
32

Liang, Qing, Jian Fei Liu, Jing Liu, and Gang Xu. "Effect of External Wall Insulation on Building Energy Consumption." Applied Mechanics and Materials 71-78 (July 2011): 156–59. http://dx.doi.org/10.4028/www.scientific.net/amm.71-78.156.

Full text
Abstract:
The building energy consumption associated with the external wall insulation for different orientations and different exterior finishes has been evaluated using the simulation software EnergyPlus. The results suggest that in certain condition the thermal resistance of the external wall and the absorptance of the exterior finish should be high for heating dominated climate or room, while both of them should be low for cooling dominated climate or room for saving energy. Besides, it has different annual electricity savings for different external wall orientations at the same thickness of thermal insulation, so the insulation should be priority used for the external wall which has the largest saving potential.
APA, Harvard, Vancouver, ISO, and other styles
33

Zou, Zu Xu, and Song Ping Mao. "The Research on Seismic Performance of the Insulation Material on the External Wall of a Building." Applied Mechanics and Materials 395-396 (September 2013): 469–72. http://dx.doi.org/10.4028/www.scientific.net/amm.395-396.469.

Full text
Abstract:
It is a problem on building energy efficiency of how to improve the heat insulation performance of building envelope, to make the building outer wall has good heat preservation effect, and to keep the necessary seismic performance. Exterior wall thermal insulation engineering, which is a key part on building energy conservation engineering construction quality acceptance and on building energy efficiency design, is an important part in building energy efficiency projects. Therefore, it is necessary to study the seismic performance based on the fact that the building is building energy efficiency. By the research on exterior insulation materials, the analysis on the performance of external thermal insulation materials currently used, and the research on the factors affecting the seismic performance of external thermal insulation material, It provides a guidance on evaluating the external wall thermal insulation material performance and quality, ensuring the quality of external thermal insulation material, and it is expected to achieve the effect of building energy efficiency.
APA, Harvard, Vancouver, ISO, and other styles
34

Wei, Shu Hua, and Xiao Jun Wang. "Concrete Exterior Wall Insulation without Network System." Advanced Materials Research 724-725 (August 2013): 1495–99. http://dx.doi.org/10.4028/www.scientific.net/amr.724-725.1495.

Full text
Abstract:
External thermal insulation system of Cast-in-situ concrete exterior wall in high-rise civil building includes with network and without network system, wherein the cast-in-place concrete exterior wall insulation without network system is the most economical and the external thermal insulation system. This system applies to new buildings, can also be applied to energy saving renovation of existing buildings. In this paper, the system technology without steelmesh is synthetically introduced so that more engineers can know and use it better.
APA, Harvard, Vancouver, ISO, and other styles
35

Niu, Zhi Rong, Hou Ren Xiong, Zong Min Yu, Yi Xiang, and Yi Ying Luo. "Monitoring and Analysis on Temperature for External Foam Glass Thermal Insulating System on Walls under Weathering Test." Applied Mechanics and Materials 71-78 (July 2011): 3918–24. http://dx.doi.org/10.4028/www.scientific.net/amm.71-78.3918.

Full text
Abstract:
The external foam glass thermal insulating system on walls has become a new thermal insulation wall system in china's building wall, It is green energy - saving building wall product with good prospect and used for wall thermal insulation of building. In this paper, real-time monitoring with thermal sensor and analysis on temperature for external foam glass thermal insulating system on walls by weathering test in Jiaxing area, and study on temperature distribution for each layer of walls. The experiment showed that, the external foam glass thermal insulating system on walls caused by foam glass insulation layer of adiabatic effect, Interface layer and thermal insulation layer of temperature difference between change significantly, existing 50 °C, which can cause greater temperature stress, and have certain effect of durability for external foam glass thermal insulating system on walls.
APA, Harvard, Vancouver, ISO, and other styles
36

Gu, Qian, Sheng Ren, Yue Wang, and Hao Luo. "Analysis of Thermal Performance of a New Regenerated Glass Pumice External Wall Insulation System in Hot Summer and Cold Winter Zone." Advanced Materials Research 671-674 (March 2013): 1791–95. http://dx.doi.org/10.4028/www.scientific.net/amr.671-674.1791.

Full text
Abstract:
The thermal performance of a new regenerated glass pumice board as external wall thermal insulation material was analyzed in this paper. Considering the roles of solar radiation and air convection, and selecting Wuhan city as an example of the hot summer and cold winter zones, the temperature field distributions of the external building walls in different orientations in summer and winter seasons were numerically simulated by using the finite element software ANSYS. The thermal performance of regenerated glass pumice exterior wall external insulation system including the heat transfer coefficient and the temperature distribution was evaluated. The simulation results demonstrate the good thermal insulation performance of the regenerated glass pumice as a new kind of external wall materials, and the feasibility of the application of this environmentally friendly material to the wall insulation system in energy conservation building is also promoted.
APA, Harvard, Vancouver, ISO, and other styles
37

Cao, Lei, and Xue Nan Mu. "Study on Energy Saving of External Wall Thermal Insulation Based on City Green Building." Applied Mechanics and Materials 608-609 (October 2014): 1061–65. http://dx.doi.org/10.4028/www.scientific.net/amm.608-609.1061.

Full text
Abstract:
In recent years, with the continuous development of society, people's awareness of energy conservation has also been enhanced. Among them, building energy consumption occupies a very large proportion in all their energy consumption. Therefore, people have taken various measures to reduce the energy consumption of building its own. External wall thermal insulation is a new building energy saving technology. Through verification, application of external wall insulation technology in building energy saving greatly reduces the energy consumption of buildings. This paper mainly introduced on the city building external wall thermal insulation technology and some related measures.
APA, Harvard, Vancouver, ISO, and other styles
38

Ma, Yun, and Hua Si. "External Wall Insulation Technology Research in Building Technology." Information Technology Journal 13, no. 1 (December 15, 2013): 78–85. http://dx.doi.org/10.3923/itj.2014.78.85.

Full text
APA, Harvard, Vancouver, ISO, and other styles
39

Li, Jian Guang, Li Ping Tong, and Li Hui Tian. "Thermal Performance Analysis for a New External Wall Insulation System." Advanced Materials Research 383-390 (November 2011): 6476–83. http://dx.doi.org/10.4028/www.scientific.net/amr.383-390.6476.

Full text
Abstract:
Based on the existing quality problems of external wall insulation system, a new external wall insulation system was developed through the rational use of closed air layer’s thermal insulation performance. Considering three kinds of ways of heat transfer-- convection, conduction and radiation and using the coefficient of air equivalent thermal conductivity to obtain the thermal resistance in the air layer, compared with the thermal resistance at different thicknesses in the new system using polyurethane and polystyrene board of insulation material with two different thicknesses, the authors can get the most optimal model. This paper takes the extreme value of indoor and outdoor temperature in summer as the temperature loads of this model and uses ANSYS simulation to obtain its heat flow density, gradient and temperature field, and in the meanwhile, undertakes a comparison with the present form of external wall insulation in the new code. Data indicates that in the same index of energy saving, this system can not only meet the needs of the code, but also reduce the requirement of heat insulator, as well as greatly improve anti-cracking and waterproofing ability. Thus, the new system follows the direction of the development in this field.
APA, Harvard, Vancouver, ISO, and other styles
40

Hu, Xiao Jun, and Yue Wang. "Feasibility Analysis of Applying Thermal Insulation Composite Wall in Residential Buildings." Advanced Materials Research 461 (February 2012): 293–96. http://dx.doi.org/10.4028/www.scientific.net/amr.461.293.

Full text
Abstract:
From the perspective of existing rules for energy conservation and fire-prevention, as well as safety, the traditional technology of external and internal thermal insulation of outer wall is becoming more and more inadaptable to requirements for outer wall thermal insulation of residential buildings. The paper is seeking for a system of outer wall thermal insulation technology suitable for residential buildings by analysis of physical mechanics performance and construction process of thermal insulation composite wall.
APA, Harvard, Vancouver, ISO, and other styles
41

Sadowska, Beata, and Piotr Bieranowski. "Efficiency of Different Balcony Slab Modernization Method in Retrofitted Multi-Family Buildings." Energies 14, no. 20 (October 14, 2021): 6666. http://dx.doi.org/10.3390/en14206666.

Full text
Abstract:
Many buildings have considerable thermal bridges at the junction of balcony slabs with walls. To achieve the new EU directive targets related to energy efficiency, greater attention should be paid to such design details. This study analyzes the efficiency of traditional balcony slab modernization methods, the use of modern insulation materials and a new alternative system: an added self-supporting light balcony system (LKBD) in retrofitted large-panel buildings. The main objective was to capture cost-effective renovation methods from both the heat loss reduction perspectives and risk of surface condensation. The analyses, carried out in four buildings, have shown that at current costs, the thermal modernization of balconies is not economically efficient (SPBT > 98.4 years). However, it is necessary because leaving the balcony slabs without insulation or only insulating them from the bottom carries the risk of surface condensation. The most cost-effective renovation method is to insulate the balcony slabs from below and above with the thickest possible XPS layer (SPBT = 98.4 years; 107.4 years). Replacing XPS with modern material increases SPBT by almost 50%, for the LKBD system, SPBT = 269.2–281.5 years. More favorable energy and economic effects related to the reduction of balcony thermal bridges were achieved in the wall with lower insulation.
APA, Harvard, Vancouver, ISO, and other styles
42

Li, Jian Feng, Yue Shen, and Yuan Suo. "Technical and Economic Analysis of Thermal Insulation Coating." Applied Mechanics and Materials 71-78 (July 2011): 856–59. http://dx.doi.org/10.4028/www.scientific.net/amm.71-78.856.

Full text
Abstract:
At present, the more common materials of exterior insulation in our country are the external heat-insulation wall of polystyrene panel, aerated concrete blocks and thermal insulation coating. Paper analyzes the advantages and disadvantages of these three technologies. The results show that with the same thermal insulation property, the cost of thermal insulation coating is obviously lower than the other two. Meanwhile, the thermal insulation coating has a significant improvement on the anti-fire properties, which can eliminate the potential fire risk which may be caused by the external wall of polystyrene panels. In addition, the thermal insulation coating is more simple to construction. Finally, this paper introduces the development prospects of thermal insulation coating.
APA, Harvard, Vancouver, ISO, and other styles
43

Zhang, Xiao Jie, and Yuan Ping Liu. "Study on Building Materials with Exterior Insulation System Problems and Solutions." Advanced Materials Research 788 (September 2013): 656–59. http://dx.doi.org/10.4028/www.scientific.net/amr.788.656.

Full text
Abstract:
Building palisade structure is the most important part of the wall, so the external wall thermal insulation technology has become an important part of building energy efficiency. After the author found the domestic use of insulation materials in a variety of forms, different use method makes the external wall thermal insulation system has a problem. The analysis of the cause of the problem at the same time, this paper discusses how to use of selected materials and improving the construction methods to avoid the happening of the accident.
APA, Harvard, Vancouver, ISO, and other styles
44

Li, Zhu, Xian Zheng Gong, Zhi Hong Wang, and Yu Liu. "Life Cycle Assessment of External Thermal Insulation Composite System Based on Rock Wool Board." Key Engineering Materials 599 (February 2014): 315–18. http://dx.doi.org/10.4028/www.scientific.net/kem.599.315.

Full text
Abstract:
Although external wall thermal insulation layer protects the major structure effectively and is capable of the prolonging of the service life of the structure, building thermal insulation material production brings environmental impact in some degree. In this research, quantitative analysis and evaluation of resources consumption and pollutant emission caused by materials on external wall were carried out based on Life Cycle Assessment (LCA). The results show that, the environmental load brought by rock wool board production has a decisive influence on the total environmental load of the external thermal insulation system production.
APA, Harvard, Vancouver, ISO, and other styles
45

Adachi, Yusuke, Hideki Hirakawa, Akira Fukushima, Takeyoshi Uematsu, Koki Kikuta, and Madoka Taniguchi. "Investigation of the Deterioration of Medium-Rise-Wall Type Reinforced Concrete Buildings with External Insulation in Snowy Cold Districts." Buildings 12, no. 12 (November 22, 2022): 2048. http://dx.doi.org/10.3390/buildings12122048.

Full text
Abstract:
We have clarified that external insulation reduces the probability of reinforcement corrosion in reinforced concrete buildings in cold snowy districts by 45–78%. Renovation of external insulation is one of the effective methods for improving the insulation performance and durability of reinforced concrete buildings, but there are almost no data that demonstrate durability. Therefore, the carbonation depth and the cover depth were investigated for six medium-rise-wall type reinforced concrete buildings in Hokkaido, Japan, which had been refurbished for external insulation. As a result, it was clarified that the external insulation suppressed the carbonation depth by 30% or more, even when the bonding method of the external insulation was different. In addition, it was clarified that the external insulation further suppressed carbonation in walls where the carbonation depth tended to increase in snowy cold districts. Specifically, external insulation reduced carbonation by up to 35% on surfaces that tend to dry out due to sunlight, and by 49% on surfaces that are affected by water that deteriorates the concrete surface layer.
APA, Harvard, Vancouver, ISO, and other styles
46

Coccia, Simona, Fabio Di Carlo, and Stefania Imperatore. "Masonry Walls Retrofitted with Vertical FRP Rebars." Buildings 10, no. 4 (April 3, 2020): 72. http://dx.doi.org/10.3390/buildings10040072.

Full text
Abstract:
The out-of-plane behaviour of the walls as a consequence of an earthquake is the main vulnerability of existing masonry structures. In the case of rigid in compression not tensile resistant material, incremental dynamic analyses may be employed to evaluate the effective strength of a rocking element. When the seismic capacity of the wall is inadequate, retrofit interventions are required to assure an acceptable safety level. Conventional seismic retrofitting techniques on masonry walls influence the seismic performance of the element, which typically is modified in an out-of-plane bending behaviour. In this paper, analytical investigations are presented to investigate the possibility of a seismic retrofitting intervention able to increase the seismic strength of the wall without modifying its seismic behaviour. The analysed retrofitting technique consists in the application of composite vertical bars either in the middle section of the wall or at its external surfaces. The seismic behaviour of the retrofitted masonry wall is analytically evaluated by means of a parametric incremental dynamic analysis, carried out with an ad hoc in-house software. The effectiveness of the intervention is analysed in terms of level of seismic improvement, defined as the ratio between the seismic capacity of the reinforced and unreinforced walls.
APA, Harvard, Vancouver, ISO, and other styles
47

Tian, Yu Lan, Jian Min Lu, and Wen Yan Zhang. "Difference between the Measured and Theoretical Value and Theirs Influencing Factors for Heat Transfer Coefficient of Exterior Wall External Insulation." Advanced Materials Research 415-417 (December 2011): 1427–30. http://dx.doi.org/10.4028/www.scientific.net/amr.415-417.1427.

Full text
Abstract:
This paper analyzed the actual heat transfer coefficient of exterior wall external insulation, which was detected by temperature controlled hot box-heat flow meter method in Nanjing from March to December, 2010 .Research showed that: impacted by one-dimensional stability heat transfer assumption ,78.27% of test values of the heat transfer coefficient for exterior wall external insulation , are less than the calculated values; under certain circumstance, that the external thermal insulation material(Expandable polystyrene shutter, EPS board for short, and Extruded polystyrene shutter, XPS board for short)are the same, the more stable the wall substrate density and material , the greater the heat storage coefficient is and the smaller the relative detection error will be. When using the same stable wall substrate material, the calculation error of XPS board was significantly better than EPS board’s. The analysis, which is about error influence factors of test value of the heat transfer coefficient of exterior wall external insulation, shows that current temperature controlled hot box-heat flow meter heat transfer coefficient method needs further improved and perfect in order to improve the reliability of its conclusion.
APA, Harvard, Vancouver, ISO, and other styles
48

Liu, Ying Li, Jian Fei Li, Zhi Guo You, and Zhen Jiang. "Experimental Study of Shear Capacity under Different Temperatures." Advanced Materials Research 361-363 (October 2011): 1563–66. http://dx.doi.org/10.4028/www.scientific.net/amr.361-363.1563.

Full text
Abstract:
The external wall insulation system exposed to the building surface, in summer temperature of outside surface can reach 50 °C -70 °C, this article designs a new external wall insulation system shear strength test of test equipment to study at different temperatures decorative panels sandwich insulation fiber reinforced concrete shear performance, the results show that: with increasing temperature, fiber reinforced concrete decorative panels sandwich insulation ultimate shear capacity has reduced to varying degrees, damage patterns cut from the extruded plate destruction into the adhesive surface of shear failure.
APA, Harvard, Vancouver, ISO, and other styles
49

Colinart, Thibaut, Mathieu Bendouma, and Patrick Glouannec. "Impact of radiation on hygrothermal behavior of ventilated cavity wall." MATEC Web of Conferences 282 (2019): 02014. http://dx.doi.org/10.1051/matecconf/201928202014.

Full text
Abstract:
This work deals with the performance of a high school building renovated with prefabricated ventilated façade elements through a field experimental study under oceanic climate. Temperature, relative humidity and heat flux were measured at different points of the renovated façade and are analyzed as function of the exterior boundary conditions. The measured data are compared to numerical results. For this purpose, two models are considered: an energy balance is made for the cladding, while a heat and moisture transfer model is solved within the insulation materials. In this study, particular attention is paid in the influence of the radiative exchanges in short and long wavelengths on the hygrothermal behavior of the retrofitted wall.
APA, Harvard, Vancouver, ISO, and other styles
50

Sha, Zhen, Nian Ping Li, Bai Jun Wang, Yong Yang, and Zhen Hui Xiao. "Analysis on Life Cycle Cost and Economic Benefits of Self-Thermal Insulation System of Three Different External Walls in Changsha in China." Advanced Materials Research 374-377 (October 2011): 1438–41. http://dx.doi.org/10.4028/www.scientific.net/amr.374-377.1438.

Full text
Abstract:
The mathematical analysis model of LCC of self-thermal insulation system of external wall that is applicable to Changsha region is established by using degree days and present worth factor. And the LCC of three commonly used self-thermal insulation systems in Changsha is analyzed by using this model. Analysis results have proven that self-thermal insulation system of external wall has very significant comprehensive economic benefits compared with the wall that energy-saving measures are not taken, and it has an important practical significance to promote the development of energy-saving building in Changsha, China．
APA, Harvard, Vancouver, ISO, and other styles
We offer discounts on all premium plans for authors whose works are included in thematic literature selections. Contact us to get a unique promo code!

To the bibliography