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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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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.59 No.5
- 발행연도
- 2016.1
- 수록면
- 803 - 820 (18page)
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초록· 키워드
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In this study a direct displacement-based design (DDBD) procedure for a continuous deck bridge isolated with triple friction pendulum bearings (TFPB) has been proposed and the seismic demands of the bridge such as isolator\'s displacement and drift of piers obtained from this procedure evaluated under two-directional near-field ground motions. The structural model used here are continuous, three-span, castin-place concrete box girder bridge with a 30-degree skew which are isolated with 9 different TFPBs. By comparing the results of DDBD method with those of nonlinear time history analysis (NTHA), it can be concluded that the proposed procedure is able to predict seismic demands of similar isolated bridges with acceptable accuracy. Results of NTHA shows that dispersion of peak resultant responses for a group of ground motions increases by increasing their average value of responses. It needs to be noted that the demands parameters calculated by the DDBD procedure are almost overestimated for stiffer soil condition, but there is some underestimation in results of this method for softer soil condition.
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참고문헌 (30)
참고문헌 신청
AASHTO LRFD / 2005 / bridge design specifications / American Association of State Highway and Transportation Officials
Amiri, G.G. / 2014 / Evaluation of capacity spectrum method in estimating seismic demands of triple pendulum bearings under near-field ground motions / Int. J. Struct. Stab. Dyn 14(2):1350062
ASCE / 2010 / Minimum design loads for buildings and other structures / American Society of Civil Engineering
Baker, J.W. / 2007 / Quantitative classification of near-fault ground motions using wavelet analysis / Bull. Seismol. Soc. Am 97(5):1486~1501
Buckle, I.G. / 2006 / Seismic isolation of highway bridges
Amiri, G.G. / 2014 / Evaluation of capacity spectrum method in estimating seismic demands of triple pendulum bearings under near-field ground motions / Int. J. Struct. Stab. Dyn 14(2):1350062
ASCE / 2010 / Minimum design loads for buildings and other structures / American Society of Civil Engineering
Baker, J.W. / 2007 / Quantitative classification of near-fault ground motions using wavelet analysis / Bull. Seismol. Soc. Am 97(5):1486~1501
Buckle, I.G. / 2006 / Seismic isolation of highway bridges
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