به سوی پروژه های پایدار مسکن اجتماعی: شناخت اهمیت استفاده از منابع محلی
|کد مقاله||سال انتشار||تعداد صفحات مقاله انگلیسی||ترجمه فارسی|
|97789||2018||37 صفحه PDF||سفارش دهید|
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Publisher : Elsevier - Science Direct (الزویر - ساینس دایرکت)
Journal : Building and Environment, Volume 127, January 2018, Pages 187-203
The social housing projects of Brazil are focused on providing shelter for families with low income and on reaching the ultimate objective of more sustainable development of the nation. The Brazilian program, in supporting these families, is carried out through three main standardized housing projects: popular housing (R1), popular building (PP4), and building for social interest (PIS). Decisions regarding the choice of one project instead of another are usually based on economic considerations, disregarding environmental issues important for achieving sustainable development. The main goal of this work is to assess which social housing projects should be promoted in each Brazilian state, aiming for higher sustainability. For this purpose, emergy accounting is used to quantify the environmental sustainability index (ESI*) and the emergy index for construction productivity (EICP, in m2/sej). Results show the existence of different degrees of ESI* and EICP values among the three types of social housing projects, when considering the state in which projects are implemented. Analysis of the results identified the social housing projects that should be promoted to maximize ESI* and EICP aiming for higher sustainability. Choosing a project exclusively based on economic considerations could be premature, because it may forgo the opportunity to maximize sustainability of the national social housing program. This study also provides a scientific contribution to the emergy accounting method with regard to the scales of analysis that support the criteria used to count a resource as local or imported and in considering the partial renewabilities of resources according to regional characteristics.