| Presentation | 2000/4/28 Measurement of road surface sound absorption coefficients by use of impulsive sound Keiji Mikami, Takahiko Ono, Hideo Suzuki, Masaru Okoshi, Ken'iti Kido, |
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| PDF Download Page | PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | The development of an in-situ instrumentation system to measure the sound absorption coefficient of the road surface is strongly desired for the purpose of the maintenance of the drainage pavements. This paper describes the structure and the performance of the developed system. In the system, a loudspeaker radiates an impulsive sound and a microphone picks up the incident sound and the reflected sound. As the height of the system has big influence on the performance, the effects of the height are mainly investigated. According to the results, the microphone height should be higher than 60cm. If the height is lower, there can be a considerable error due to the slight change in the microphone height. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | Sound absorption coefficient / Measurement / Road surface / Impulsive sound / Pavement |
| Paper # | EA2000-4 |
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| Conference Information | |
| Committee | EA |
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| Conference Date | 2000/4/28(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Chair | |
| Vice Chair | |
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| Paper Information | |
| Registration To | Engineering Acoustics (EA) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Measurement of road surface sound absorption coefficients by use of impulsive sound |
| Sub Title (in English) | |
| Keyword(1) | Sound absorption coefficient |
| Keyword(2) | Measurement |
| Keyword(3) | Road surface |
| Keyword(4) | Impulsive sound |
| Keyword(5) | Pavement |
| 1st Author's Name | Keiji Mikami |
| 1st Author's Affiliation | Ontek R&D Co., Ltd() |
| 2nd Author's Name | Takahiko Ono |
| 2nd Author's Affiliation | Onosokki Co., Ltd |
| 3rd Author's Name | Hideo Suzuki |
| 3rd Author's Affiliation | Onosokki Co., Ltd |
| 4th Author's Name | Masaru Okoshi |
| 4th Author's Affiliation | Onosokki Co., Ltd |
| 5th Author's Name | Ken'iti Kido |
| 5th Author's Affiliation | Onosokki Co., Ltd |
| Date | 2000/4/28 |
| Paper # | EA2000-4 |
| Volume (vol) | vol.100 |
| Number (no) | 27 |
| Page | pp.pp.- |
| #Pages | 5 |
| Date of Issue | |