| 摘要 |
A gangform is provided to separate a steel plate from a concrete wall easily by allowing a front end protrusion of a hanger bar to support the steel plate. A gangform comprises a steel plate(11), a plurality of horizontal supporting rods(13), a plurality of vertical supporting rods(15), a tie bolt(17), a passage form(21), an upmost tie bolt(17a), a hanger bar(30), and a concrete wall(40). The hanger bar which is located at an upper part of the upmost tie bolt, is drilling the steel plate. A front end protrusion of the hanger bar is projected from the steel plate to be buried in a concrete wall(40). A head unit of the hanger bar is fixed to a pair of vertical supporting rods by a clamp.
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