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http://dx.doi.org/10.5659/JAIK.2022.38.6.205

Drift-Based Limit States Through Seismic Fragility Assessment for Piloti-Type Building Structures  

Sohn, JungHoon (Dept. of Architecture and Architectural Engineering, Yonsei University)
Choi, Insub (Dept. of Architecture and Architectural Engineering, Yonsei University)
Kim, JunHee (Dept. of Architecture and Architectural Engineering, Yonsei University)
Publication Information
Journal of the Architectural Institute of Korea / v.38, no.6, 2022 , pp. 205-211 More about this Journal
Abstract
Evaluating the seismic performance of a piloti-type structure is difficult considering the drift-based limit states such as interstory drift ratio and initial design review (IDR) of piloti-type structures are not defined. Drift-based limit states are defined for a lateral-resisting system, but piloti-type structures consist of two lateral-resisting systems. This study aims to analyze the suitability of existing drift-based limit states through the fragility assessment for piloti-type building structures. The piloti structures consisting of a shear wall system and a RC moment frame were used as a prototype model. IDR and concrete strain were used as the engineering demand parameter (EDP) to analyze the seismic fragility of target buildings through an incremental dynamic analysis (IDA). As a result of the correlation analysis of the seismic fragility curves obtained by IDR and concrete strain, the IDR-based limit states of a piloti-type structure should be lower than that of the practically used shear wall system.
Keywords
Piloti-type building structures; Interstory drift ratio; Limit states; Concrete strain; Seismic fragility assessment;
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Times Cited By KSCI : 4  (Citation Analysis)
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