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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.56 No.5
- 발행연도
- 2015.1
- 수록면
- 855 - 870 (16page)
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초록· 키워드
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In this paper the effects of fling-step and forward-directivity on the seismic performance of steel eccentrically braced frames (EBFs) are addressed. Four EBFs with various numbers of stories (4-, 8-, 12- and 15-story) were designed for an area with high seismic hazard. Fourteen near-fault ground motions including seven with forward-directivity and seven with fling-step effects are selected to carry out nonlinear time history (NTH) analyses of the frames. Furthermore, seven more far-field records were selected for comparison. Findings from the study reveal that the median maximum links rotation of the frames subjected to three set of ground motions are in acceptable range and the links completely satisfy the requirement stated in FEMA 356 for LS performance level. The arrival of the velocity pulse in a near-fault record causes few significant plastic deformations, while many reversed inelastic cycles result in low-cycle fatigue damage in far-fault records. Near-fault records in some cases are more destructive and the results of these records are so dispersed, especially the records having fling-step effects.
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참고문헌 (41)
참고문헌 신청
AISC / 2005 / Seismic Provisions for Structural Steel Buildings
AISC / 2005 / Specification for Structural Steel Buildings
Alavi, B. / 2004 / Strengthening of moment-resisting frame structures against near-fault ground motion effects / Earthq. Eng. Struct. Dyn 33(6):707~722
American Society of Civil Engineers / 2010 / Minimum Design Loads for Buildings and Other Structures / ASCE/SEI 7-10
Champion, C. / 2012 / The effect of near-fault directivity on building seismic collapse risk / Earthq. Eng. Struct. Dyn 41(10):1391~1409
AISC / 2005 / Specification for Structural Steel Buildings
Alavi, B. / 2004 / Strengthening of moment-resisting frame structures against near-fault ground motion effects / Earthq. Eng. Struct. Dyn 33(6):707~722
American Society of Civil Engineers / 2010 / Minimum Design Loads for Buildings and Other Structures / ASCE/SEI 7-10
Champion, C. / 2012 / The effect of near-fault directivity on building seismic collapse risk / Earthq. Eng. Struct. Dyn 41(10):1391~1409
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