Computers and Concrete

  • 제16권5호
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  • Pages.723-740
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  • 2015
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  • 1598-8198(pISSN)
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  • 1598-818X(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Seismic performance of skewed highway bridges using analytical fragility function methodology

  • Bayat, M. (Department of Civil and Environmental Engineering,Tarbiat Modares University) ;
  • Daneshjoo, F. (Department of Civil and Environmental Engineering,Tarbiat Modares University)
  • 투고 : 2015.10.23
  • 심사 : 2015.11.06
  • 발행 : 2015.11.25
⟨ 이전 논문 다음 논문 ⟩

초록

In this study, the seismic performance of skewed highway bridges has been assessed by using fragility function methodology. Incremental Dynamic Analysis (IDA) has been used to prepare complete information about the different damage states of a 30 degree skewed highway bridge. A three dimensional model of a skewed highway bridge is presented and incremental dynamic analysis has been applied. The details of the full nonlinear procedures have also been presented. Different spectral intensity measures are studied and the effects of the period on the fragility curves are shown in different figures. The efficiency, practicality and proficiency of these different spectral intensity measures are compared. A suite of 20 earthquake ground motions are considered for nonlinear time history analysis. It has been shown that, considering different intensity measures (IM) leads us to overestimate or low estimate the damage probability which has been discussed completely.

키워드

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