| 摘要 |
PURPOSE:To strengthen aseismic property of a support at execution of a bridge concrete using a formwork support constituted of truss frame bodies. CONSTITUTION:A formwork support A constituted by combining together arched or like shaped truss frame bodies (a) is constructed, and concrete B to be placed on the formwork 4 is jointingly laced following to set divisions (b1), (b2), (b3) from both end parts to the center part. Horizontal reinforcing devices C for combining with concrete of respective lacing divisions (b1)-(b3) are provided on the support A, a connector 13 detachably fitted to each horizontal reinforcing device C is buried in concrete at placing the concrete on every placing division, and the execution is put forward while combining together the placed concrete and the support A. |
