Analysis of the thermal performance of social housing with concrete walls in Uberlândia-MG

The concrete wall construction system has been widely used in the construction of social housing (HIS). However, issues related to the thermal performance of this system need further study and attention. In this context, there is the evaluation of thermal performance according to ABNT NBR 15575: 201...

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Główni autorzy:	Oliveira, Roberta Bastos de, Alves, Camila dos Reis
Format:	Online
Język:	por
Wydane:	Universidade Estadual de Campinas 2021
Dostęp online:	https://periodicos.sbu.unicamp.br/ojs/index.php/parc/article/view/8661094
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id	oai:ojs.periodicos.sbu.unicamp.br:article-8661094
record_format	ojs
institution	Universidade Estadual de Campinas
collection	OJS
language	por
format	Online
author	Oliveira, Roberta Bastos de Alves, Camila dos Reis
spellingShingle	Oliveira, Roberta Bastos de Alves, Camila dos Reis Analysis of the thermal performance of social housing with concrete walls in Uberlândia-MG
author_facet	Oliveira, Roberta Bastos de Alves, Camila dos Reis
author_sort	Oliveira, Roberta Bastos de
title	Analysis of the thermal performance of social housing with concrete walls in Uberlândia-MG
title_short	Analysis of the thermal performance of social housing with concrete walls in Uberlândia-MG
title_full	Analysis of the thermal performance of social housing with concrete walls in Uberlândia-MG
title_fullStr	Analysis of the thermal performance of social housing with concrete walls in Uberlândia-MG
title_full_unstemmed	Analysis of the thermal performance of social housing with concrete walls in Uberlândia-MG
title_sort	analysis of the thermal performance of social housing with concrete walls in uberlândia-mg
description	The concrete wall construction system has been widely used in the construction of social housing (HIS). However, issues related to the thermal performance of this system need further study and attention. In this context, there is the evaluation of thermal performance according to ABNT NBR 15575: 2013 of a HIS built with concrete walls molded in loco in Uberlândia-MG. Initially, the simplified method for the real project was used to determine the level of thermal performance. Then, six scenarios were simulated for summer and winter, according to the most critical solar orientation. For the analyzes, the Energy Plus software was used for 8760 hours of the year. It is a comparison between the results obtained and the normative requirements that provide for the comparison of internal and external temperatures and internal temperatures with the temperatures of the typical day. As a result, HIS did not achieve the minimum levels for the simplified method. For the simulations, several comparatives analyze the increase or reduction of internal temperatures in the building's thermal zones. The real project with eaves and external painting in light color reached the minimum thermal performance level for summer and winter; however, other analyzes were incorporated, allowing important considerations. Criticism is also made on normative criteria for inconsistent thermal performance and the quality of design replicated in the city without concern for the user.
publisher	Universidade Estadual de Campinas
publishDate	2021
url	https://periodicos.sbu.unicamp.br/ojs/index.php/parc/article/view/8661094
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spelling	oai:ojs.periodicos.sbu.unicamp.br:article-86610942021-01-19T13:12:37Z Analysis of the thermal performance of social housing with concrete walls in Uberlândia-MG Análise do desempenho térmico de habitação de interesse social com paredes de concreto em Uberlândia-MG Oliveira, Roberta Bastos de Alves, Camila dos Reis Desempenho térmico Paredes de concreto moldadas in loco Habitação de interesse social Thermal performance Concrete walls molded in loco Social housing The concrete wall construction system has been widely used in the construction of social housing (HIS). However, issues related to the thermal performance of this system need further study and attention. In this context, there is the evaluation of thermal performance according to ABNT NBR 15575: 2013 of a HIS built with concrete walls molded in loco in Uberlândia-MG. Initially, the simplified method for the real project was used to determine the level of thermal performance. Then, six scenarios were simulated for summer and winter, according to the most critical solar orientation. For the analyzes, the Energy Plus software was used for 8760 hours of the year. It is a comparison between the results obtained and the normative requirements that provide for the comparison of internal and external temperatures and internal temperatures with the temperatures of the typical day. As a result, HIS did not achieve the minimum levels for the simplified method. For the simulations, several comparatives analyze the increase or reduction of internal temperatures in the building's thermal zones. The real project with eaves and external painting in light color reached the minimum thermal performance level for summer and winter; however, other analyzes were incorporated, allowing important considerations. Criticism is also made on normative criteria for inconsistent thermal performance and the quality of design replicated in the city without concern for the user. O sistema construtivo de paredes de concreto tem sido amplamente utilizado na construção de habitações de interesse social (HIS). No entanto, questões relacionadas ao desempenho térmico necessitam de maiores estudos e atenção. Neste contexto, tem-se a avaliação do desempenho térmico segundo a ABNT NBR 15575:2013 de uma HIS construída com paredes de concreto moldado in loco na cidade de Uberlândia-MG. Inicialmente foi utilizado o método simplificado para avaliação do projeto real para a determinação do nível de desempenho térmico. Em seguida, foram simulados 6 cenários para o verão e para o inverno, de acordo com a orientação solar mais crítica. Para as análises, utilizou-se o software Energy Plus com as 8760 horas do ano. Trata-se de uma comparação entre os resultados obtidos e os requisitos normativos que preveem a comparação das temperaturas internas com as externas, bem como as internas com as temperaturas do dia típico. Como resultados, a HIS não atingiu os níveis mínimos para o método simplificado. Para as simulações, tem-se diversas análises comparativas quanto ao aumento ou redução das temperaturas internas nas zonas térmicas da edificação. O projeto real com beiral e paredes externas na cor clara atingiu o nível de desempenho térmico mínimo para o verão e para o inverno, no entanto, outras análises foram incorporadas possibilitando ponderações importantes. Faz-se uma crítica também quanto aos critérios normativos para desempenho térmico que destoaram entre si e à qualidade dos projetos que têm sido replicados na cidade sem uma preocupação com o usuário. Universidade Estadual de Campinas 2021-02-01 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Text Texto application/pdf https://periodicos.sbu.unicamp.br/ojs/index.php/parc/article/view/8661094 10.20396/parc.v12i00.8661094 PARC Pesquisa em Arquitetura e Construção; Vol. 12 (2021): Continous publication; e021006 PARC Pesquisa em Arquitetura e Construção; Vol. 12 (2021): Publicação contínua; e021006 PARC Pesquisa em Arquitetura e Construção; v. 12 (2021): Publicação contínua; e021006 1980-6809 por https://periodicos.sbu.unicamp.br/ojs/index.php/parc/article/view/8661094/25867 Brazil; Contemporary Brasil; Contemporâneo Copyright (c) 2021 PARC Pesquisa em Arquitetura e Construção https://creativecommons.org/licenses/by/4.0

Analysis of the thermal performance of social housing with concrete walls in Uberlândia-MG

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