A mechanical system to predict wet grip potential of pavements

Abstract：A precise friction model is essential for the prediction of tyre wet grip performance and optimization of pavement surface texture design.A mechanical system for predicting the wet grip potential of asphalt pavement was systematically presented using an extended rubber material model by a time step integration scheme.This analytical approach was transferred to a 2D numerical multi-body system consisting of interconnected masses,coupling spring and elementary rubber element of a generalized Maxwell model of rubber tyre tread.The system consists of two basic modules with the same program structure and algorithm,considering the frequency-,temperature-,and strain-dependency behaviors of the complex dynamic modulus of rubber element.The dependence of penetration depth and friction coefficient on the velocity was simulated and validated.It can be concluded that this system can be used for predicting the wet grip potential of asphalt pavements. 作者： Author： CHEN Xian-hua[1]  B. Steinauer[2]  A. Ueckermann 作者單位： School of Transportation, Southeast University, Nanjing 210096, ChinaInstitute of Road and Traffic Engineering, RWTH-Aachen University, D52074, German 期 刊： 中南大學學報（英文版）   EISCI Journal： Journal of Central South University of Technology(English Edition) 年，卷(期)： 2011, (5) 分類號： U416.217 Keywords： wet grip    rubber tyre rim    penetration depth    friction coefficient    dynamic model    機標分類號： O41 TG4 機標關鍵詞： wet    friction coefficient    program structure    penetration depth    mechanical system    asphalt pavement    surface texture    friction model    Maxwell model    performance    integration    generalized    modulus of    essential    velocity    extended    approach    dynamic    complex    spring 基金項目： A mechanical system to predict wet grip potential of pavements[期刊論文]  中南大學學報（英文版） --2011, (5)A precise friction model is essential for the prediction of tyre wet grip performance and optimization of pavement surface texture design.A mechanical system for predicting the wet grip potential of as...

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