大気環境・騒音振動 (2)

[VII-30] Study on Determination Method of Sound Power Level of Structure-Borne Noise radiated from Viaduct Road

*Hiroshi Itohata¹, Kimikazu Ikeya¹, Tatsuaki Mori¹, Takashi Okura¹, Tomoyuki Itiki², Akinori Fukushima² (1. NEXCO Research Institute Japan, 2. NEWS Environmental Design Inc)

Keywords:Road traffic noise, Structure-borne noise of viaducts, Sound power level, Power spectrum, Measurement method