外殻に薄肉プレキャスト管を使用した鉄筋コンクリート柱の耐力特性に関する研究

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タイトル別名
  • STRUCTURAL PERFORMANCE OF REINFORCED CONCRETE COLUMN USING PRECAST SHELL FORM
  • ガイカク ニ ウスニク プレキャストカン オ シヨウシタ テッキン コンクリー

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To save labor for form work and installation of reinforcement at construction site and to save wood resources, square shell concrete form (PCa-shell) was developed. The PCa-shell is made of high strength concrete (Fc=500 kgf/cm^2) and contains hoops and tie bars. A column is made by putting the PCa-shell on main bars and then molding core concrete in it. So main bars of the column do not touch directly with lateral reinforcements. In this paper, the shear-flexural structural experiments on cast-in-place reinforced concrete members using the PCa-shell (half-precast members) were described. It appeared that the structural performances of these half-precast members were not less than usual reinforced concrete members. And the equations of flexural, shear and bond-split ultimate strength of the half-precast members were proposed

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