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Adalberth, Karin; Almgren, Anders; Petersen, Ebbe Holleris. Life cycle assessment of four multi-family buildings. International Journal Of Low Energy And Sustainable Buildings, Stockholm, v. 2, jun. 2001. ISSN 1403-2147.
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Dados do autor na base InfoHab:
Número de Trabalhos: 2 (Nenhum com arquivo PDF disponível)
Citações: 2
Índice h: 1  
Co-autores: 1

Resumo

This study covers a screening LCA dealing with the environmental impact of four multi-family dwellings in Sweden built in 1996. The buildings are authentic and have e.g. different frameworks and foundations, different numbers of apartments, a different thermal performance of the envelope, different ventilation systems etc. The aim is to establish which phase in the life cycle that has the highest environmental impact; whether there are parallels between environmental impact and energy use; and whether differences in environmental impact subsist due to a choice of building construction. The environmental impact refers to the effects: global warming potential, acidification, eutrophication, photochemical ozone creation potentials, and human toxicity. The occupation phase is assumed to be 50 years. Results show that the occupation phase has the highest environmental impact during the life cycle, approx. 70–90 % of the environmental impact during the dwelling’s life cycle. Parallels can be drawn to the energy use during the life cycle, for which the occupation phase constitutes 85 % of the total. Since the manufacture phase has such a small impact on the total impact during the life cycle, approx. 10–20 % of the total, the selection of framework has little effect. It is better to choose constructions and installations, which cause a small environmental impact during the occupation phase. Finally, since the occupation phase is very dominant and since there is conformity between energy use and environmental impact during the life cycle, it is wise to both design buildings that are energy-efficient during their occupation phase, and to produce energy with low emissions in order to obtain an environmentally adapted dwelling.
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