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CPF를 이용한 철근 콘크리트 지하 구조물의 기둥에 대한 시간 의존적 해석
김희정 ( Kim Heui Jung ),정기오 ( Chung Ki Oh ),정제평 ( Jeong Jae Pyong ),이상희 ( Lee Sang Hee ),김우 ( Kim Woo ) 한국구조물진단유지관리공학회 2001 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.5 No.2
This study was performed to examine the effect of time dependent properties on RC columns in subway structures subjected to high filled soil layer By using program of CPF for the present purpose, a typical column in subway structure was analyzed. Two different model equations for predicted time dependent concrete properties(ACI 209R, CEB-FIP MC90) were employed, and the results were compared. It was found that a relevant creep coefficient is recommended to be 0.7~1.55 for designing columns in subway structure, and the soil filling work would be performed at least 3 months later after the concrete casting in order to ensure durability by reducing the negative effect of concrete time dependent properties.