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STOP THE WHINE! NARROW-BAND NOISE LEVEL MEASUREMENTS OF THREE HIGHWAY PAVEMENTS.
| 题名： | STOP THE WHINE! NARROW-BAND NOISE LEVEL MEASUREMENTS OF THREE HIGHWAY PAVEMENTS. |
| 作者： | Billera-D; Schmidt-B; Miller-W |
| 关键词： | CONCRETE-PAVEMENTS; NOISE-LEVELS; FIELD-MEASUREMENTS; AUTOMOBILES-; HEAVY-DUTY-TRUCKS; TRANSVERSE-GROOVING; ASPHALT-PAVEMENTS; LONGITUDINAL-GROOVING |
| 摘要： | The origins of an annoying high-pitched sound emitted by highway traffic were investigated. Wayside noise levels of single vehicles passing over three types of pavement surfaces were measured using real traffic. Data based on a statistically significant number of samples are presented for automobiles and heavy trucks. All data were collected using a real-time analyzer with 1/3- and 1/12-octave band resolution. The measured data confirmed the transverse grooved pavement as the noisiest with a noticeable concentration of sound, often described as a "whine". Data for the asphalt and longitudinally grooved surfaces indicated lower overall noise levels and a near absence of the whine. |
| 总页数： | Transportation Research Record. 1997. (1601) pp71-76 (3 Phot., 5 Fig., 1 Tab., 4 Ref.) |
| 报告类型： | 科技报告 |
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