On sound spectral model of road vehicle for prediction of road traffic noise: Considerations for establishing the ASJ RTN-Model 2003

被引:4
|
作者
Iwase, Teruo [1 ]
Nakasaki, Kunio [2 ]
Namikawa, Yoshiharu [3 ]
Mori, Teiji [3 ]
机构
[1] Niigata Univ, Fac Engn, 8050,Igarashi 2 Nocho, Niigata 9502181, Japan
[2] Japan Highway Publ Corp, Expressway Res Inst, Matida 1948508, Japan
[3] Natl Inst Land & Infrastruct Management, Tsukuba 3050804, Japan
关键词
Road traffic noise; Vehicle noise; Porous pavement; Noise prediction;
D O I
10.1250/ast.26.71
中图分类号
O42 [声学];
学科分类号
070206 ; 082403 ;
摘要
A precise computing method of sound propagation for the situation with complicated boundary condition and spectral model of running vehicle noise for predictive conditions, was prepared and proposed, respectively, in the ASJ RTN-Model 2003. Some ideas for basic spectral model of running vehicle noise on the ordinary dense asphalt pavement were introduced. The spectral changes by the porous drainage pavement were examined and correction methods for the drainage pavement were considered. It was summarized that noise reduction effects could be confirmed in the bands from 1 kHz to 4 kHz for octaves and as that A-weighted over all reduction effect from 4dB to 6dB could be recognized.
引用
收藏
页码:71 / 75
页数:5
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