二, 三の補剛アーチ橋の解法

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  • 平井 敦
    社團法人土木學會 東京大学, 工学部土木工学教室
  • 倉西 茂
    社團法人土木學會 東京大学 東北大学, 工学部土木工学教室

書誌事項

タイトル別名
  • ANALYSIS OF ARCH BRIDGES WITH STIFFENING GIRDERS
  • ニ , サン ノ ホゴウアーチバシ ノ カイホウ

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In this paper, the authors carry out the analysis of stiffened arch bridges, which are composed of an arched chord and a stiffening continious beam or rigid frame. Taking panel point moments as a group of statically indeterminate ones, they obtain the fundamental elastic equations-applying Castigliano's theorem, and induce the moment distribution factors to the stiffening girder and arched chord, making use of matrix operation. The other statically indeterminate ones are easily calculated using these distribution factors.<br>Besides them, they discsus here the influence of shifted supporting point of stiffening girder from the vertical line through the supporting point of arched chord at the ordinary stiffened arch (so-called Lohse Traeger).

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