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Article Navigation >  Journal of Traffic and Transportation Engineering  > 2007  >  7(2): 99-103
Yuan Wei-ning, Dong Xiao-lin, Zhang Yu-fen. Noise reduction effect of noise barrier made of sound-absorbed bricks with resonance cavities along expressway[J]. Journal of Traffic and Transportation Engineering, 2007, 7(2): 99-103.
Citation: Yuan Wei-ning, Dong Xiao-lin, Zhang Yu-fen. Noise reduction effect of noise barrier made of sound-absorbed bricks with resonance cavities along expressway[J]. Journal of Traffic and Transportation Engineering, 2007, 7(2): 99-103.
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Noise reduction effect of noise barrier made of sound-absorbed bricks with resonance cavities along expressway

  • 1.

    School of Civil Engineering, Chang'an University, Xi'an 710061, Shaanxi, China

  • 2.

    School of Environment Science and Engineering, Chang'an University, Xi'an 710064, Shaanxi, China

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  • Author Bio:

    Yuan Wei-ning(1964-), male, associate professor, +86-29-82337308, Yuanwein@chd.edu.cn

  • Received Date: 2006-09-19
  • Publish Date: 2007-04-25
    Abstract
  • In order to solve the problem of acoustic environment impact resulted from traffic noise on the villages along expressway, the traffic noise of constructed expressway was monitored, a forecasting model of traffic noise was given to calculate the traffic noise levels, and a noise reduction method was proposed, that noise barrier was made of sound-absorbed bricks with resonance cavities on both sides of expressway.Noise barrier engineering and noise monitoring result indicate that the method is feasible, the noise level is decreased by 13~16 dB, the structure of the barrier is simple, its cost is low, its construction is easy, and its environment and economic benefits are obvious.

     

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