Experimental Analysis of Noise Characteristics on Different Types of Pavements inside and outside Highway Tunnels

被引：0
|
作者：
Ren, Wanyan [1 ,2 ,3 ]
Zhang, Yi [1 ]
Yuan, Minmin [4 ,5 ]
Li, Jun [5 ]
机构：
[1] Beijing Univ Civil Engn & Architecture, Sch Civil & Transportat Engn, 1 Zhanlanguan Rd, Beijing 100044, Peoples R China
[2] Collaborat Innovat Ctr Energy Conservat & Emiss Re, 1 Zhanlanguan Rd, Beijing 100044, Peoples R China
[3] Beijing Adv Innovat Ctr Future Urban Design, 1 Zhanlanguan Rd, Beijing 100044, Peoples R China
[4] Natl Environm Protect Engn & Technol Ctr Rd Traff, 8 Xitucheng Rd, Beijing 100088, Peoples R China
[5] Minist Transport, Res Inst Highway, 8 Xitucheng Rd, Beijing 100088, Peoples R China
来源：
COATINGS | 2024年 / 14卷 / 09期
基金：
中国国家自然科学基金; 国家重点研发计划;
关键词：
highway tunnels; traffic noise; reverberation time; tire/pavement noise; porous asphalt; MODEL;
D O I：
10.3390/coatings14091213
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Aiming to reduce noise pollution and optimize the acoustic quality in highway tunnels, the noise characteristics on different types of pavements were analyzed and compared in this research, based on the on-site noise measurement in two tunnels with the free fields as a control group. Specifically, the noise characteristics include two aspects: various noise and noise time attenuation performance. Various noise includes on-board sound intensity (OBSI) noise and cabin noise. The noise time attenuation performance uses the indicator of reverberation time. Three types of pavements were measured, including dense-graded asphalt concrete (DAC) and single-layered and double-layered porous asphalt (PA) pavement. The results showed that, for the same type of pavement, compared with the free fields, the difference in OBSI noise in tunnels was within a range of less than 1 dBA; the cabin noise increased by 3.4 dBA similar to 6.6 dBA. The noise level in tunnels was greater than that outside tunnels, and the longer tunnel exhibited higher traffic noise and worse noise time attenuation performances. For the same tunnel, PA pavement could reduce the cabin noise by 3.8 dBA similar to 6.7 dBA. PA pavement also exhibited shorter reverberation time. The application of PA pavement could effectively improve the acoustic quality in the tunnel. This research contributes to noise pollution abatement and the improvement of the comfort and safety of drivers in tunnels.
引用
收藏
页数：15
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