Simulation Analysis of Sound Insulation for Urban Traffic Noise

Author:

Chen Yong Guang1,Cai Wei Ming2,Jian Su Xiong1

Affiliation:

1. Chongqing Jiaotong University

2. Zhangzhou Institute of Technology

Abstract

The sound barrier is one of the effective and economical engineering facilities to control the urban traffic noise. The characteristics of urban traffic noise are analyzed both in time-domain and frequency-domain. Then the noise reduction theory of sound barrier is introduced in detail. The determination of the influence factors in insertion loss is researched emphatically. The main procedure of the acoustics design of sound barrier is also systematically studied. According to the main design process of the acoustics design of sound barrier, simulation confirmation is conducted by acoustics software to confirm the noise reduction performance of the barrier.

Publisher

Trans Tech Publications, Ltd.

Reference7 articles.

1. Rufin Makerewicz. Influence of ground effect and refraction on road traffic noise. Applied Acoustics, (1997).

2. Z.Y. Feng: Analysis and preventive treatment of road traffic noise, Heilongjiang Traffic Science and Technology, vol. 7(2007), p.92, 94.

3. J.H. Chen Z.J. Ji, J. Wang: Computer simulation and practical measurement research of new type of sound barrier, The 2010 nationwide acoustic design and noise-vibration control engineering and academic conference thesis collections of auxiliary equipment, (2010).

4. C.J. Padmos, F. de Roo: Sound diffraction testing of noise barrier tops according to PrCEN/TS 1793-4, 8th International congress of Acoustics, 2004. 2.

5. R. Pirichieva: Model study of the sound propagation behind barriers of finite length, Acoust. Soc. Am. 1990, 87(5), pp.2109-2113.

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