Seismic Performance Assessment of RC Bridges using Nonlinear Finite Element Analysis

비선형 유한요소해석을 이용한 철근콘크리트 교량의 내진성능평가

  • 김태훈 (대우건설 기술연구원) ;
  • 신현목 (성균관대학교 토목환경공학과)
  • Published : 2006.04.30


The purpose of this study is to assess the seismic performance of reinforced concrete bridges using nonlinear finite element analysis. The accuracy and objectivity of the assessment process may be enhanced by the use of sophisticated nonlinear finite element analysis program. A computer program, named RCAHEST (Reinforced Concrete Analysis in Higher Evaluation System Technology), for the analysis of reinforced concrete structures was used. Material nonlinearity is taken into account by comprising tensile, compressive and shear models of cracked concrete and a model of reinforcing steel. The smeared crack approach is incorporated. The proposed numerical method is applied to reinforced concrete bridges and compared.


nonlinear finite element analysis;reinforced concrete bridges;seismic performance;material nonlinearity


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