Skid-Resistance and Noise-Reducing Characteristics of Exposed-Aggregate Cement Concrete Pavement

Jiu Peng Zhang; Guo Qiang Liu; Peng Zhi Wang

doi:10.4028/www.scientific.net/AMR.1052.352

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 1052Skid-Resistance and Noise-Reducing Characteristics...

Skid-Resistance and Noise-Reducing Characteristics of Exposed-Aggregate Cement Concrete Pavement

Abstract:

EACCP is a new-type cement concrete pavement with better skid-resistance and less traffic noise. In this paper, skid-resistance and noise-reducing performance of EACCP are tested and analyzed by laboratory and outdoor tests. The results indicate that the relationship between BPN and EAD is followed the parabola variation laws. With the increase of EAD, TD decreases. And skid-resistance value exists the extremum. If BPN is targeted as skid-resistance optimization goal for pavement surface features, the optimized EAD is existed and approximately to 40~60. The relationship between BPN and TD is also followed the parabola variation laws which also suggests the existence of the optimized TD scope approximately to 0.8~1.0mm.The relationship between TD and EAD can be simulated by index variation laws. With the increase of EAD, TD decreases, which proves the evident noise-reducing performance of EACCP. And the reduction amplitude of noise increases with vehicular acceleration.