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http://dx.doi.org/10.5000/EESK.2015.19.5.239

Pushover Analysis of Reinforced Concrete Shear Wall Subjected to High Axial Load Using Fiber Slices and Inelastic Shear Spring  

Jun, Dae Han (Department of Civil&Architectural Engineering, Dongseo University)
Publication Information
Journal of the Earthquake Engineering Society of Korea / v.19, no.5, 2015 , pp. 239-246 More about this Journal
Abstract
Reinforced concrete shear walls are effective for resisting lateral loads imposed by wind or earthquakes. Observed damages of the shear wall in recent earthquakes in Chile(2010) and New Zealand(2011) exceeded expectations. Various analytical models have been proposed in order to incorporate such response features in predicting the inelastic response of RC shear walls. However, the model has not been implemented into widely available computer programs, and has not been sufficiently calibrated with and validated against extensive experimental data at both local and global response levels. In this study, reinforced concrete shear walls were modeled with fiber slices, where cross section and reinforcement details of shear walls can be arranged freely. Nonlinear analysis was performed by adding nonlinear shear spring elements that can represent shear deformation. This analysis result will be compared with the existing experiment results. To investigate the nonlinear behavior of reinforced concrete shear walls, reinforced concrete single shear walls with rectangular wall cross section were selected. The analysis results showed that the yield strength of the shear wall was approximately the same value as the experimental results. However, the yielding displacement of the shear wall was still higher in the experiment than the analysis. The analytical model used in this study is available for the analysis of shear wall subjected to high axial forces.
Keywords
Reinforced concrete shear walls; Nonlinear response; Fiber slice; Nonlinear shear spring; Plastic hinge;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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