SOUND-PROOFING FLOOR STRUCTURE

摘要

PROBLEM TO BE SOLVED: To provide a sound-proofing floor structure capable of being applied to a floor of a building without changing any technique and design thought of the building by the present framework wall construction method to prevent the increase of excessive cost and enhancing a heavy-weight floor impulsive sound level of two or more ranks higher than the present to stably improve. SOLUTION: The sound-proofing floor structure 1 includes a floor basic slab 2 of the building by the framework wall construction method, a sound-proofing floor member 3 on the floor basic slab 2 and a floor upper structural body 4 constituted of a laminated body of a plate-like material on the sound-proofing floor member 3. The sound-proofing floor member 3 comprises a plurality of sound-proofing floor members 5, and the sound-proofing floor members 5 are set on the floor basic slab 2 at a predetermined interval. Each sound-proofing floor member 5 includes impact absorbing members 6 having at least two kinds of different spring specific characteristics and a supporting member 7 fixing at least one of the upper part or the lower part of each impact absorbing member 6. The impact absorbing members 6 are separated from each other at a predetermined interval. COPYRIGHT: (C)2004,JPO