완충재의 종류에 따른 공동주택 바닥충격음 차단성능에 관한 실험연구

Abstract

In apartment buildings, floor-impact sound has bean regarded as the major source whichinduces complaints from residents. It is mainly due to the use of light-weight structures. Thevibration produced by impact on one part of an apartment building would travel as far as theother parts of structure with a little alleviation. As a result, the impact sound from upstairs hasbeen regarded as a main source of noise causing discontentment among occupants. This studywas carried out to measure the floor-impact sound levels and evaluate the insulationperformance of floor-impact sound for nine apartment buildings. The floor-impact sound levelswere measured for twenty-five On-dol floor structures and various factors which influence thefloor-impact sound were analyzed.