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N2 Method를 이용한 RC IMRFs의 내진성능 평가
송진규 ( Song Jin Gyu ),윤정배 ( Yoon Jeong Bae ),이철호 ( Lee Chul Ho ),최정욱 ( Choi Jung Wok ) 한국구조물진단유지관리공학회 2002 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.6 No.2
Code based earthquake resistance design approach has some major shortcomings linked to the current R factor though it has a conceptual background for safety. As evidenced by the interstory drift index(IDI) analysis results of this study for IMRFs, current R-factor based (or, Life Safety based) design tends to fail in fulfilling other implicit and hopeful performance objectives such as Immediate Occupancy and Collapse Prevention. Performance based design(PBD) appears to be a promising approach to meet the multi level seismic performance objectives assigned to the building structures of nowadays.
송진규 ( Song Jin Gyu ),윤정배 ( Yoon Jeong Bae ),이철호 ( Lee Chul Ho ),최정욱 ( Choi Jung Wok ) 한국구조물진단유지관리공학회 2002 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.6 No.2
Using reinforced concrete intermediate moment-resisting frames(RC IMRFs), an analytical procedure is presented in this paper to establish R factor rationally. To this end, analytical R values were evaluated based on N2 Method and compared with the values recommended by IBC 2000. Overall, the analytical results correlated well with the code values. However the results also revealed that R factor might strongly depend on the system fundamental period.