SEISMIC RETROFIT STUDY OF CABLE-STAYED BRIDGE ON TOKYO-GAIKAN EXPRESSWAY

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SEISMIC RETROFIT STUDY OF CABLE-STAYED BRIDGE ON TOKYO-GAIKAN EXPRESSWAY

Author: Yoshinori Kawahira , Kouichirou Shitou and Tsutomu Yoshioka | Size: 1.6 MB | Format: PDF | Quality: Unspecified | pages: 15

This paper describes the seismic performance verification and retrofit method examination of a cable-stayed bridge in the Sakitama Bridge. First, the input earthquake motion was specified for use in both the target seismic performance and the bridge verification, while the parts and members of the latter were verified by seismic response analysis. The main tower and caisson foundation that were difficult to evaluate were verified by a nonlinear finite element analysis. Based on the verification results, regions requiring a seismic retrofit were identified, and the retrofit methods were examined.

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