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In the Environmental Quality Standards for Noise in Japan (EQS), the problem of environmental noise at areas facing roads is evaluated by obtaining the number and the rates of buildings at which noise... levels exceed the standard value. The Standards allow for the estimation of noise levels, instead of requiring actual measurements, in cases where taking actual measurements would be difficult. In order to estimate noise levels，to grasp insertion loss of buildings in an evaluated area is needed. As the above background, the authors proposed in the previous study a method to predict insertion loss of detached houses against road traffic noise based on a point sound source model named as F2012 when the heights of houses and receiving point are 10m and 1.2m, respectively. This paper aims to expand it applicable to different heights of houses and receiving point to apply F2012 to the evaluation of EQS in residential areas.続きを見る
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