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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2018.1
- 수록면
- 271 - 280 (10page)
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초록· 키워드
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This paper presents a framework for developing aftershock fragility curves for reinforced concrete bridges initially damaged by mainshocks. The presented aftershock fragility is a damage-dependent fragility function, which is conditioned on an initial damage state resulting from mainshocks. The presented framework can capture the cumulative damage of as-built bridges due to mainshock-aftershock sequences as well as the reduced vulnerability of bridges repaired with CFRP pier jackets. To achieve this goal, the numerical model of column jackets is firstly presented and then validated using existing experimental data available in literature. A four-span concrete box- girder bridge is selected as a case study to examine the application of the presented framework. The aftershock fragility curves are derived using response data from back-to-back nonlinear dynamic analyses under mainshock-aftershock sequences. The aftershock fragility curves for as-built bridge columns are firstly compared with different levels of initial damage state, and then the post-repair effect of FRP pier jacket is examined through the comparison of aftershock fragility curves for as-built and repaired piers.
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등록된 정보가 없습니다.
참고문헌 (33)
참고문헌 신청
USGS / 2000 / Implications for earthquake risk reduction in the united states from the Kocaeli, Turkey, Earthquake of August 17, 1999
Kam WY / 2011 / Seismic performance of reinforced concrete buildings in the 22 February Christchurch (Lyttelton) earthquake / Bull. NZ Soc. Earthquake Eng. 44(4):239~278
Decanini LD / Preliminary report on the 2012, May 20, Emilia earthquake. Vol. 1
1998 / FEMA 307. Evaluation of earthquake damaged concrete and masonry wall buildings: Technical resources / Federal Emergency Management Agency
Li Q / 2007 / Performance evaluation and damage assessment of steel frame buildings under main shock-aftershock earthquake sequences / Earthquake Eng. Struct. Dyn. 36(3):405~427
Kam WY / 2011 / Seismic performance of reinforced concrete buildings in the 22 February Christchurch (Lyttelton) earthquake / Bull. NZ Soc. Earthquake Eng. 44(4):239~278
Decanini LD / Preliminary report on the 2012, May 20, Emilia earthquake. Vol. 1
1998 / FEMA 307. Evaluation of earthquake damaged concrete and masonry wall buildings: Technical resources / Federal Emergency Management Agency
Li Q / 2007 / Performance evaluation and damage assessment of steel frame buildings under main shock-aftershock earthquake sequences / Earthquake Eng. Struct. Dyn. 36(3):405~427
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