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내진설계된 5층 철근콘크리트 모멘트-저항골조 구조물의 연쇄붕괴 저항성능 평가를 위한 Push-down 구조해석

Push-down Analysis of Seismic Designed 5-Story RC MRF for Progressive Collapse Resisting Capacity

  • 강석봉 (울산대학교 건축학부) ;
  • 오준호 (울산대학교 대학원 건축학과)
  • 발행 : 2013.06.25

초록

In this study, the effects of inelastic beam-column joint, MRF(moment-resisting frame) system and seismic design category on the progressive collapse resisting capability of structures are evaluated via push-down analysis for elimination of column following the procedure of GSA2003, where RC OMRF, IMRF and SMRF structures were designed in accordance with KBC2009. The bending moment-curvature relationship for beams and columns was identified with a fiber model, and the bending moment-rotation relationship for beam-column joints was calculated using a simple and unified joint shear behavior model and the moment equilibrium relationship for the joint. The results of the pushover analysis showed that framed structure designed with greater seismic load was evaluated to have higher progressive collapse resisting capability, and that excellent ductility capacity of RC SMRF structure caused higher progressive collapse resisting capability, and that the best progressive collapse resisting capability of structure was estimated in case of elimination of corner column.

키워드

참고문헌

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