| 摘要 |
PROBLEM TO BE SOLVED: To enhance sound insulation performance on upper and lower stories while suppressing an increase in thickness of a slab. SOLUTION: In this method for forming a floor, a plurality of perforated precast concrete plates 3, which are molded in such a manner that through-holes 3B opened in both the longitudinal end surfaces of a plate body 3A are brought into a juxtaposed state at intervals in the width direction of the plate body 3A, are erected in parallel between beams 2; and concrete 4 is placed on the perforated precast concrete plates 3 so as to construct an integrated floor slab 1. Longitudinal intermediate portions of the through-holes 3B of at least some of the plurality of precast perforated concrete plates 3 are filled with a cement-based filler G. COPYRIGHT: (C)2011,JPO&INPIT
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