고무공 충격음의 우회전달에 의한 공동주택 상하층 세대에서의 바닥충격음레벨 분포

Abstract

This study investigated the distribution of floor impact sound levels in the upper and lower floors of an apartment house by the flanking transmission of the sound caused by the impact of a rubber ball. The rubber ball floor impact sound was measured in 10 units (five units on the upper and lower floors based on the excitation floor) of an apartment prior to completion. The measurements indicated that the single number quantity (L