FLOOR SYSTEM AND ITS CONSTRUCTION METHOD FOR REDUCING FLOOR IMPACT SOUND USING DEFORMATION OF STEEL BEAM

摘要

A slab floor impact sound reduction structure and a construction method of a slab floor impact sound reduction structure are provided to reduce floor impact sound by increasing stiffness of a slab, to be installed in a low space at the bottom of a slab and to minimize an increase in dead load. A construction method of a slab floor impact sound reduction structure for reducing slab floor impact sound by installing a steel beam(20) to the bottom of a slab(10) and reinforcing the slab comprises the steps of: installing a deformation induction member(30) to the bottom of the slab; locating the steel beam under the deformation induction member; and fixing two ends of the steel beam to the slab to guide the steel beam to have a downward camber, thereby to generate lift force in the direction of the slab to reinforce the slab and to reduce the floor impact sound of the slab. In addition, epoxy is filled in a space between the slab and the steel beam formed by the deformation induction member after fixing the steel beam to the bottom of the slab.