| 摘要 |
PROBLEM TO BE SOLVED: To enhance operational efficiency and reduce costs by performing the placement of voids and the arrangement of reinforcement as a series of operations, relating to a structure for easily positioning the voids within a slab form, for example, for the construction of a void slab. SOLUTION: The void slab 1 has a piece of void locking hardware 2 comprising a horizontal member 2a placed approximately perpendicularly across a plurality of attached voids 15 and a positioning member 2b suspended from the horizontal member for positioning the voids, and a piece of anti-floating hardware 3 having a hook part 3a locked to part of the horizontal member and a base part locked to the slab form 11 to prevent floating of the voids 15 via the void locking hardware 2 during concrete placing. COPYRIGHT: (C)2003,JPO
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