Detailed Life Cycle Inventory Analysis of Building Components in Steelconstruction Residential Buildings

Abstract:

An insitu research was made to investigate the building material consumption and source of three steelconstruction residential buildings with different volumes.Then a comparative study was made of the life cycle energy consumption and environmental emissions of building structures and envelops with the BESLCI software.Results show that the steel component,concrete and cement consume more than 60% of the total life cycle energy;the life cycle energy consumption of steel construction residential building during construction stage is only 50% of that of conventional structure.The building volumes have little impact on inventory analysis results per building area unit.The results are different from the former research results because of the accuracy of inventory data,rationality of research boundary partition and the shortage of inventory analysis data base.