벽체-감쇠 복합시스템을 갖는 건물의 지진취약도 분석
(주)코리아스칼라
- 최초 등록일
- 2023.04.03
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- 2023.03
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서지정보
ㆍ발행기관 : 한국지진공학회
ㆍ수록지정보 : Jorunal of the Earthquake Engineering Society of Korea / 27권 / 2호
ㆍ저자명 : 라지불 이슬람, 수딥타 차크라보르티, 공병진, 김두기
목차
A B S T R A C T
1. Introduction
2. Adopted methodology
2.1 Modeling of Building Systems
2.2 Nonlinear Dynamic (Time-History) Analysis
2.3 Fragility Curve Development
2.4 Collapse Margin Ratio (CMR)
3. Result and Discussion
3.1 Incremental dynamic analysis (IDA)
3.2 Fragility curves
3.3 Collapse Margin Ratio (CMR)
4. Verification of proposed system as perKorean Building Code (KBC2016)
5. Conclusion
ACKNOWLEDGEMENT
REFERENCES
영어 초록
Structural vibration induced by earthquake hazards is one of the most significant concerns in structure performance-based design. Structural hazards evoked from seismic events must be properly identified to make buildings resilient enough to withstand extreme earthquake loadings. To investigate the effects of combined earthquake-resistant systems, shear walls and five types of dampers are incorporated in nineteen structural models by altering their arrangements. All the building models were developed as per ACI 318-14 and ASCE 7-16. Seismic fragility curves were developed from the incremental dynamic analyses (IDA) performed by using seven sets of ground motions, and eventually, by following FEMA P695 provisions, the collapse margin ratio (CMR) was computed from the collapse curves. It is evident from the results that the seismic performance of the proposed combined shear wall-damper system is significantly better than the models equipped with shear walls only. The scrutinized dual seismic resisting system is expected to be applied practically to ensure a multi-level shield for tall structures in high seismic risk zones.
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