| 요약2 |
An apartment house has been increased less than that focuses on the quantitative side. However, as the quality and values of the life are gradually improved, the more agreeable residential environment is requested. As this is reflected the civil application including the inter-layer noise and Intergenerational boundary noise, the bathroom noise, and etc. is constantly the trend that it increases. Residents suffer a pain by the Intergenerational boundary noise. The present condition of the practical Intergenerational boundary noise blocking performance tries to be grasped and it tries to verify whether a result is satisfactory or not. So, It is weak in the noise including window and door, and etc. Because of that, the apartment house between unit sound transmission loss is understood and the presentation of a problem tries to be done through code and regulation. |