Fundamental Considerations on the Effects of Shock Absorber of Laminated Fiber Reinforced Rubber on Pounding

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  • ＰＣ橋の桁衝突における積層繊維補強ゴム緩衝材の有効性に関する基礎的検討
  • PCキョウ ノ ケタ ショウトツ ニ オケル セキソウ センイ ホキョウ ゴム カンショウザイ ノ ユウコウセイ ニ カンスル キソテキ ケントウ

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In this study, dynamic response analysis of a PC bridge was carried out by changing the gap size and type of rubber shock absorber. Damage of the end of bridge girder and the bridge pier bottom on the results of dynamic response analysis was evaluated by using the damage evaluation level introduced by the results of impact analysis of three-dimensional finite elements and the results of quasi-static cyclic loading experiments on actual scale RC bridge piers. As a result, it is clarified that rubber shock absorber of poly rubber fiber is effective on the pounding of bridge girder.

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