Analytical Approach to Evaluate the Inelastic Behaviors of Reinforced Concrete Strustured under Seismic Loads

지진하중을 받는 철근콘크리트 구조물의 해석적 방법에 의한 비탄성 거동 평가

  • 김태훈 (학생회원, 성균관대학교 토목환경공학과, 박사과정 수료) ;
  • 신현묵 (정회원, 성균관대학교 토목환경공학과)
  • Published : 2001.04.01

Abstract

이 연구는 철근콘크리트 구조물의 비탄성 거동을 파악하고 합리적이면서 경제적인 내진설계기준의 개발을 위한 자료를 제공하는데 그 목적이 있다. 정학하고 올바른 내진성능의 파악을 위하여 비탄선 해석프로그램을 사용하였다. 사용된 프로그램은 철근콘크리트 구조물의 해석을 위해서 유한요소법을 이용하여 개발된 RCAHEST이다. 재료적 비선형성에 대해서는 균열콘크리트에 대한 인장, 압축 전단모델과 콘크리트 소에 있는 철근모델을 조합하여 고려하였다. 이에 대한 콘크리트 균열모델로서는 분산균열모델을 사용하였다. 또한, 횡방향 구속철근으로 인한 강도의 증가 효과를 고려하였다.

Keywords

inelastic behavior;seismic design criteria;inelastic analysis program;smeared crack

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