Nonlinear Analysis of Slender Double Skin Composite Walls Subjected to Cyclic Loading

주기하중을 받는 세장한 이중강판합성벽의 비선형해석

  • 엄태성 (대구가톨릭대학교 공과대학 건축학과) ;
  • 박홍근 (서울대학교 공과대학 건축학과)
  • Received : 2008.03.17
  • Accepted : 2008.07.08
  • Published : 2008.08.10


A numerical analysis method was studied to predict the nonlinear behavior of slender double skin composite walls. For convenience in numerical analysis, the model for the double skin composite wall was developed as a macroscopic model that can predict nonlinear behavior with relatively simplified models. For the wall showing flexure-dominant behavior, a multiple layer model was used. Each layer was modeled with composite elements of concrete and steel plate. An X-type truss model was used for coupling beams showing shear-dominant behavior. To describe the cyclic behavior of concrete and steel elements, simplified cyclic models for the materials were proposed. The proposed analysis model was applied to isolated walls and coupled walls with rectangular or T-shaped cross-sections. The analytical results were compared with existing test results.


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