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http://dx.doi.org/10.5000/EESK.2019.23.3.169

Seismic Fragility Assessment of Ordinary RC Shear Walls Designed with a Nonlinear Dynamic Analysis  

Jeon, Seong-Ha (Department of Architecture, Graduate School, Incheon National University)
Park, Ji-Hun (Division of Architecture and Urban Design, Incheon National University)
Publication Information
Journal of the Earthquake Engineering Society of Korea / v.23, no.3, 2019 , pp. 169-181 More about this Journal
Abstract
Seismic performance of ordinary reinforced concrete shear wall systems commonly used in high-rise residential buildings is evaluated. Three types of shear walls exceeding 60m in height are designed by performance-based seismic design. Then, incremental dynamic analysis is performed collapse probability is assessed in accordance with the procedure of FEMA P695. As a result, story drift, plastic rotation, and compressive strain are observed to be major failure modes, but shear failure occur little. Collapse probability and collapse margin ratio of performance groups do not meet requirement of FEMA P695. It is observed that critical wall elements fail due to excessive compressive strain. Therefore, the compressive strain of concrete at the boundary area of the shear wall needs to be evaluated with more conservative acceptance criteria.
Keywords
Ordinary reinforced concrete shear wall; Seismic fragility; Incremental dynamic analysis; Performance-based seismic design;
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Times Cited By KSCI : 2  (Citation Analysis)
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