| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for constructing a void slab in which operating efficiency is improved by removing the breaking of voids in the case of an operation on the slab. SOLUTION: Plywood forms 20 are installed in the uncured case of lower concrete 40 placed on the slab. In the plywood forms 20, a plurality of board materials composed of plywood are assembled in a shape corresponding to the voids 11. Truss bars 31 are arranged before and after the installation of the plywood forms 20, upper-end main reinforcements 32 are arranged, and upper concrete 41 is placed and plywood forms 20 are buried into upper concrete 41 and the void slab 10 is constructed. The plywood forms 20 can be constituted by recycling the used concrete forms. COPYRIGHT: (C)2004,JPO
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