STUDIES ON CONNECTING STRUCTURE BETWEEN STEEL SHELL AND STEEL REINFORCED CONCRETE

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  • Morimoto Akihiro
    社団法人 土木学会 近畿大学 理工学部機械工学科
  • Morikawa Hisashi
    社団法人 土木学会 首都高速道路公団 保全施設部保全企画
  • Ito Noboru
    社団法人 土木学会 首都高速道路公団 第一建設部設計

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  • 鋼殻と鉄骨鉄筋コンクリートとの結合構造に関する研究
  • コウカク ト テッコツ テッキン コンクリート ト ノ ケツゴウ コウゾウ ニ

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Abstract

The main tower of the Tsurumi Tsubasa Bridge consists of the steel shell structure for the upper part and the steel reinforced concrete structure for the lower part. To connect these two parts, a new type structure has been developed on the basis of experimental study. The shear basic test of the connection reinforcement was carried out. Then the structural model test and the large-scale structural model test on the connecting part of the main tower were carried out. It was recognized that the proposed connecting structure had enough load carrying capacity and deformation characteristic. Besides, the estimating method of shear strength and deformation characteristic of the connecting part was obtained.<br>Consequently, the proposed connecting structure has been applied successfully at the Tsurumi Tsubasa Bridge of Metropolitan Expressway.

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