대한토목학회논문집 (KSCE Journal of Civil and Environmental Engineering Research)

  • 제26권2A호
  • /
  • Pages.273-284
  • /
  • 2006
  • /
  • 1015-6348(pISSN)
  • /
  • 2799-9629(eISSN)
대한토목학회 (Korean Society of Civil Engeneers)
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근거리지진을 받는 골조 구조물의 비탄성응답 특성 분석

Inelastic Response Characteristic Analysis of Frame Structures Subjected to Near Fault Ground Motion

  • 한성호 (충남대학교 토목공학과) ;
  • 신재철 (충남대학교 토목공학과)
  • 투고 : 2005.01.19
  • 심사 : 2005.09.01
  • 발행 : 2006.03.30
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초록

본 연구에서는 근거리지진의 일반적인 특성에 대해 고찰한 후, 탄성응답스펙트럼이 제공하지 못하는 구조물의 비탄성거동에 따른 응답을 연성도 및 항복강도계수의 변화를 이용하여 평가하기 위해 비탄성응답스펙트럼을 작성하였다. 근거리지진의 특성을 가장 잘 반영할 수 있는 장주기의 대상 구조물을 선정하여 탄성 및 비탄성시간이력해석을 수행하였으며, 입력지진동에 대한 응답 분포 양상을 검토하였다. 또한 구조물의 비탄성거동을 명확하게 파악할 수 있도록 소성힌지 발생여부를 검토하여 구조물의 응답특성을 비교 분석하였다.

In this study, After considering the general characteristic of Near Fault Ground Motion, the inelastic response spectrum is made to evaluate using the change of ductility and yield stiffness coefficient according to the inelastic behavior of structures which couldn't be examined through the elastic response spectrum. It is conducted to the elastic and inelastic time history analysis about the long period structure which could reflect the characteristic of Near Fault Ground Motion with the best and it is also examined the aspect of response distribution about the input data. Moreover, the response characteristic of structure is analyzed by investigating the plastic hinge for the purpose of grasp about the inelastic behavior of structure.

키워드

참고문헌

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