Experimental and numerical study on structural health of an existing three-span continuous steel girder bridge

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  • 三径間連続鋼鈑桁橋の健全性に関する実験的・数値解析的検討
  • サンケイ カン レンゾクコウ ハンゲタバシ ノ ケンゼンセイ ニ カンスル ジッケンテキ ・ スウチ カイセキテキ ケントウ

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Abstract

In order to investigate the structural health of an existed three-span continuous steel girder bridge suffered the forced vibration due to some earthquakes, a static loading test and finite element analysis were conducted. Here the deflection and strain distribution of the bridge girder obtained from the test were compared with those from numerical analysis to investigate the damage level of the bridge. It is seen that since the strain and deflection distributions of the main girder of the bridge obtained from experimental results are similar to those obtained from finite element analysis, the damage level of the main girder due to earthquake may be slightly small.

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