建築物の長寿命化におけるライフサイクル廃棄物と二酸化炭素排出量に関する研究

概要

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In this study, calculation program for life-cycle waste, landfill and CO_2 emissions (LCW, LCL, and LCCO_2) from commercial buildings are developed. The influences of various design options on LCW, LCL and LCCO2 of model buildings are analyzed. The results are as follows. 1) In LCW, steel structure has smaller impact than reinforced concrete structure. In LCL, however, reinforced concrete structure has smaller impact than steel structure since the recycled-efficiency of concrete is high. 2) Extending the life of building and improving recycled-efficiency of construction waste have same order effects on decreasing LCL. 3) Using recycled aggregate for structural material increases LCCO_2.However, using blast-furnace slag cements for structure concrete can reduce it.
2003-01-30