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구봉근 ( Koo Bong-kuen ),김창운 ( Kim Chang-un ),류택은 ( Ryu Taek-eun ),주봉철 ( Joo Bong-cheul ) 한국구조물진단유지관리공학회 2000 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.4 No.1
For the protection of the environment and the recycling waste concrete, this study will make reinforced concrete beams using recycled aggregates, and make an analysis of characteristics by experiment, first by comparing and considering characteristics of mechanical behavior for the rate of recycled coarse aggregate substitution and second by looking into effects of variables, which are the ratio of non-prestressed tension reinforcement. Also, it will present appropriate methods of appraisal for reinforced concrete beams using recycled aggregates, through comparing experiment values with predicted values of specification based on supporting basic data for real design. In the case of flexural specimens, major experimental variable was the ratio of non-prestressed tension reinforcement, which was changed from 0.28 p<sub>b</sub> to 0.87 p<sub>b</sub>. For each case of variables, the rate of recycled coarse aggregate substitution was changed to 0, 30, 50, and 100 percent.