LIFE CYCLE ASSESSMENT: GAS EMISSIONS OF GREENHOUSE MATERIAL FLOWS FOR TWO TYPES OF CONSTRUCTION
Résumé
The life cycle assessment (LCA) of the series of ISO 14040 standards [1], allows to estimate the environmental impacts of a product, from the extraction of raw materials to the end of life. In the building industry, this method enables to provide quantitative indicators of environmental impacts of the products and materials used. This study provides a new tool for environmental evaluation on the carbon footprint that applies to buildings of any kind. Five types of material are identified at a first level of description: structural work products (PGO), Second work products (PSO), equipment products (PE), activity products (PA) and current consumption products (PCC). Several descriptive and analytic parameters are associated with these materials. In this study we intend to assess the environmental impacts of the buildings of a holiday cottage, based on two methods of construction (mineral materials and organic type). We will illustrate the methodological aspects related to the realization of this tool, based on a systemic and typological approach.
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