Optimization on the Sound Absorption of Porous Asphalt Pavement

Fei Chen; Chao Yang Bian; Xun Bo Lv; Yang Chang; Wei He

doi:10.4028/p-6sr1h2

Paper Titles

A Review of Characterizing Methods for Carbonation in Cement-Based Materials
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Interior Deformation and Failure of a Short Composite Sandwich Beam under Three-Point Bending
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Modeling of Sound Absorption Propertes of Porous Asphalt Pavement Based on Electro--Acoustic Theory
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Strength Properties and Toughness Indices of Hybrid Polymeric Fibre Reinforced Renewable Oil Palm Shell Concrete
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Research on Sustainable Bituminous Mixture for Permeable Wearing Layers in Road Pavements
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HomeKey Engineering MaterialsKey Engineering Materials Vol. 929Optimization on the Sound Absorption of Porous...

Optimization on the Sound Absorption of Porous Asphalt Pavement

Abstract:

Optimization on Porous Asphalt Pavement is based on noise reduction capacity. The influence factors of sound absorption properties of porous asphalt mixture were studied by using standing wave ratio method.The results indicate that: The peak absorption coefficient of porous asphalt mixture increases with the increase of porosity and the peaks are concentrated in the frequency range from 800Hz to 1000 Hz. The peak moves to high frequency as the porosity increase. It is better to use smaller nominal maximum aggregate size to reduce the noise level. With the pavement thickness increases, the average absorption coefficient of porous pavement in the high frequency band will decreases. The recommended thickness of Porous Asphalt Pavement range is 40-60mm.

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Periodical:

Key Engineering Materials (Volume 929)

Pages:

135-140

DOI:

https://doi.org/10.4028/p-6sr1h2

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Online since:

August 2022

Authors:

Fei Chen*, Chao Yang Bian, Xun Bo Lv, Yang Chang, Wei He

Keywords:

Frequency, Porous Asphalt Mixture, Sound Absorption Coefficient, Standing Wave Tube

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