SIMPLE PREDICTION METHOD OF ROAD TRAFFIC NOISE AROUND BUILDINGS

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  • 建物周辺における道路交通騒音の簡易予測手法
  • タテモノ シュウヘン ニ オケル ドウロ コウツウ ソウオン ノ カンイ ヨソ

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Environmental countermeasures for road traffic noise should be, in general, performed at the area not only on the road side but also around road. Therefore, installation of the buffer building due to the low for Improvement of the Areas along Trunk Roads is one of the important technique to reduce road traffic noise. In this report, the simple acoustic model of buildings, which is able to calculate the characteristics of noise propagation around buildings, was proposed, as calculate points are placed at the rear area of the large building. And the availability of the suggested prediction method was confirmed by field measurements of some places. Then, the characteristics of road traffic noise were revealed under some values on size of the building, arrangement of buildings and gap in two buildings. It will make the most use for executing the environmental improvement for road traffic noise in future.

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