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Numerical examination about the effect of truss bridge member breakage on SSMA

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Other Title
  • トラス橋部材破断がSSMA分析結果に及ぼす影響の数値的検討
  • トラスバシ ブザイハダン ガ SSMA ブンセキ ケッカ ニ オヨボス エイキョウ ノ スウチテキ ケントウ

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Abstract

VRA (Vehicle Response Analysis) method has been proposed as a method of bridge screening. SSMA (Spatial Singular Mode Angle) is one of the proposed indices of VRA and indicates bridge mode shapes, which can be estimated by using only vehicle vibrations. SSMA rarely shows the correct bridge mode shape, but it has the high sensitivity to bridge damage. However, the previous studies have carried out only simple numerical simulations based on FEM. In this study, numerical approach is applied to a 3D truss bridge and full-sized car model. The results correspond well to the experiment results obtained in the previous studies.

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Details

  • CRID
    1390282680260239232
  • NII Article ID
    130005607928
  • NII Book ID
    AA12210243
  • ISSN
    18816614
    1881820X
  • DOI
    10.11532/structcivil.62a.204
  • NDL BIB ID
    027287109
  • Text Lang
    ja
  • Data Source
    • JaLC
    • NDL
    • CiNii Articles
    • KAKEN
  • Abstract License Flag
    Disallowed

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