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Macro Model for Nonlinear Analysis of Reinforced Concrete Walls

철근콘크리트 벽체의 비선형 해석을 위한 거시 모델

  • Kim, Dong-Kwan (Dept. of Architecture & Architectural Engineering, Seoul National University) ;
  • Eom, Tae-Sung (Dept. of Architecture, Catholic University of Daegu) ;
  • Lim, Young-Joo (Dept. of Architecture & Architectural Engineering, Seoul National University) ;
  • Lee, Han-Seon (School of Civil, Environmental and Architectural Engineering, Korea University) ;
  • Park, Hong-Gun (Dept. of Architecture & Architectural Engineering, Seoul National University)
  • Received : 2011.02.28
  • Accepted : 2011.06.23
  • Published : 2011.10.31

Abstract

Reinforced concrete walls subjected to cyclic loading show complicated inelastic behaviors varying with aspect ratio, re-bar detail, and loading condition. In the present study, a macro model for nonlinear analysis of reinforced concrete walls was developed. For exact prediction of inelastic flexure-compression and shear behaviors, the macro model of the wall was idealized with longitudinal and diagonal uniaxial elements. The uniaxial elements consist of concrete and re-bars. Simplified cyclic models for concrete and re-bars under uniaxial loading was used. For verification, the proposed model was applied to slender, lowrise, and coupled walls subjected to cyclic loading. The results showed that the proposed method predicted the nonlinear behaviors of the walls with reasonable precision.

Acknowledgement

Supported by : 한국연구재단

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