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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Structural Engineering and Mechanics, An Int'l Journal Structural Engineering and Mechanics, An Int'l Journal Vol.72 No.3
- 발행연도
- 2019.1
- 수록면
- 395 - 408 (14page)
이용수
초록· 키워드
오류제보하기
Engineered structures built in seismic-prone areas are affected by aftershocks in addition to mainshocks. Although aftershocks generally are lower in magnitude than that of the mainshocks, some aftershocks may have higher intensities; thus, structures should be able to withstand the effect of strong aftershocks as well. This seismic scenario arises for far-field mainshock along with near-field aftershocks. In this study, four 2D reinforced concrete (RC) frames with different numbers of stories were designed in accordance with the current Iranian seismic design code. As a way to evaluate the seismic response of the case-study RC frames, the inter-story drift ratio (IDR) demand, the residual inter-story drift ratio (RIDR) demand, the Park-Ang damage index, and the period elongation ratio can be useful engineering demand parameters for evaluating their seismic performance under mainshock-aftershock sequences. The frame models were analyzed under a set of far-field mainshock, near-fault aftershocks seismic sequences using nonlinear dynamic time-history analysis to investigate the relationship among IDR, RIDR, Park-Ang damage index and period ratio experienced by the frames. The results indicate that the growth of IDR, RIDR, Park-Ang damage index, and period ratio in high-rise and short structures under near-fault aftershocks were significant. It is evident that engineers should consider the effects of near-fault aftershocks on damaged frames that experience far-field mainshocks as well.
목차
등록된 정보가 없습니다.
참고문헌 (3)
참고문헌 신청
Adel E. Abdelnaby / 2015 / Numerical modeling and analysis of RC frames subjected to multiple earthquakes / Earthquakes and Structures 9(5):957~981
2008 / ACI 318, Building code requirements for structural concrete and commentary / American Concrete Institute
Mehrdad Aghagholizadeh / 2016 / A new method to assess damage to RCMRFs from period elongation and Park–Ang damage index using IDA / International Journal of Advanced Structural Engineering 8(3):243~252
2008 / ACI 318, Building code requirements for structural concrete and commentary / American Concrete Institute
Mehrdad Aghagholizadeh / 2016 / A new method to assess damage to RCMRFs from period elongation and Park–Ang damage index using IDA / International Journal of Advanced Structural Engineering 8(3):243~252
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