STUDY ON STRUCTURAL CHARACTERISTICS OF PRESTRESSED CONCRETE DECK BRIDGE SUPPORTED FROM BELOW BY CABLES

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  • KONDOH Shinichi
    社団法人 土木学会 住友建設株式会社 土木本部技術部
  • KAJIKAWA Yasuo
    社団法人 土木学会 金沢大学大学院 自然科学研究科
  • MAEDA Kenichi
    社団法人 土木学会 東京都立大学大学院 工学研究科

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  • コンクリート張弦桁橋の力学特性と車両走行時, 破壊時の挙動
  • コンクリート チョウゲン ケタバシ ノ リキガク トクセイ ト シャリョウ ソウコウジ ハカイジ ノ キョドウ

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Abstract

This paper presents structural characteristics of a prestressed concrete deck bridge supported from below.<br>The prestressed concrete deck bridge supported from below consist of roadway deck, struts which support the deck, and subtending cables. The subtending forces balance the permanent loads as perfectly as possible.<br>A series of tests under static and dynamic loading are carried out on the Ayumi Bridge in Numazu City. The analytical model of the structure is confirmed by comparing the analytical results with the experimental results.<br>The dynamic responses of the bridge under the passage of moving vehicle are analysed for a parametric study. The non-linear analysis for ultimate loading was carried out using the fiber model program taking the material and geometrical nonlinearity into account.

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