METHOD OF REDUCING HEAVYWEIGHT-FLOOR IMPACT SOUND OF EXISTING FLOOR SLAB

摘要

PROBLEM TO BE SOLVED: To provide a method not only of reducing a lightweight floor impact sound propagated to a dwelling unit on a lower floor by providing a dry double floor on the top surface of an existing floor slab but also of effectively reducing a heavyweight floor impact sound by reducing an increase in the weight of the surface density (weight) of the existing floor slab to the utmost so as to efficiently enhance rigidity.;SOLUTION: A reinforcing member 2 such as H-shaped steel, which stiffens the existing floor slab 1, is fixedly provided on the undersurface of the existing floor slab 1, and a supporting leg 4 for the dry double floor 3 is provided on the top surface of the existing floor slab 1.;COPYRIGHT: (C)2007,JPO&INPIT