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Nonlinear Behavior Analysis of RC Shear Wall Using Truss Theory  

Seo, Soo-Yeon (충주대학교 건축공학과)
Kim, Jeong-Sik (대우엔지니어링 건축사업부)
Choi, Yun-Chul (한양대학교 건축공학부)
Lee, Li-Hyung (한양대학교 건축공학부)
Publication Information
Journal of the Korea institute for structural maintenance and inspection / v.9, no.3, 2005 , pp. 213-220 More about this Journal
Abstract
Recently, a concern to verify the displacement capacity of shear wall has been arised to produce suitable data for the performance based design. In this paper, a process is presented to evaluate the displacement capacity of shear wall. The displacement of shear wall is expressed as the superposition of shear and flexural deformation. Variable crack angle truss model with a modification and sectional analysis method are used in calculating shear and flexural displacement, respectively. In addition, the effect of axial force and the contribution of vertical and horizontal reinforcements in wall are considered in the analysis. The accuracy of proposed method is evaluated by the comparison calculation results with previous test results. From the comparison, it was shown that the hysteretic behavior of shear wall could be well predicted by using the process. In the case with flange wall, however, the method overestimates the contribution of flange wall for strength and stiffness and underestimates for displacement capacity.
Keywords
Shear Wall; Truss Model; Variable Crack Angle; Hysteretic Behavior;
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