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The Guantang Bridge in Liuzhou City, with a main span of 457 m, is a through steel box arch bridge. The MIDAS/Civil three-dimensional finite element calculation and analysis software is used to establish a spatial dynamic calculation model, conduct structural dynamic characteristics analysis, and use response spectrum analysis and time history analysis methods to conduct structural seismic response analysis. The results show that the bridge has good dynamic and seismic performance.

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Research on Seismic Performance of Steel Box Arch Bridge with a Main Span of 457 m

  • 会议论文

  • 发表日期：

    2025年

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  • Yuan Chen,
  • Tingmin Mou,
  • Xiaojun Lin

摘要

The Guantang Bridge in Liuzhou City, with a main span of 457 m, is a through steel box arch bridge. The MIDAS/Civil three-dimensional finite element calculation and analysis software is used to establish a spatial dynamic calculation model, conduct structural dynamic characteristics analysis, and use response spectrum analysis and time history analysis methods to conduct structural seismic response analysis. The results show that the bridge has good dynamic and seismic performance.