MECHANISM OF SEISMIC RESPONSE OF A PC CABLE-STAYED BRIDGE SUBJECTED TO A LONG-PERIOD SEISMIC EXCITATION

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概要

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• In this study, the mechanisms associated with the seismic response of a long-period structure when subjected to a long-period seismic excitation are clarified. A typical scale cable-stayed bridge with prestressed concrete girders (PC cable-stayed bridge) was selected for analysis. First, we simulated long-period components of the ground motion at the site of the Ji-Lu Bridge, which was damaged in the 1999 Chi-Chi, Taiwan earthquake, and the damage of the bridge was assessed by nonlinear seismic analysis using the simulated ground excitations. Second, shaking table tests of a model PC cable-stayed bridge were carried out, in consideration of the similarity law, to clarify the mechanisms involved, focusing on the linear and nonlinear seismic responses of the tower and cables.

• 公益社団法人 土木学会の論文

著者

• Sakai Yuki

  Graduate School Of Computer Science And Systems Engineering Kyushu Institute Of Technology

• KOJIMA Atsushi

  Graduate School of Science and Technology,Tokai Univeersity

• KITAHARA Jun

  Bureau of Sewerage, Tokyo Metropolitan Government

• KANAKUBO Toshiyuki

  Graduate School of Systems and Information Engineering, University of Tsukuba

• SHOJI Gaku

  Graduate School of Systems and Information Engineering, University of Tsukuba

• SHIMIZU Katsuyuki

  Graduate School of Systems and Information Engineering, University of Tsukuba

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• MECHANISM OF SEISMIC RESPONSE OF A PC CABLE-STAYED BRIDGE SUBJECTED TO A LONG-PERIOD SEISMIC EXCITATION

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