复杂移动轮胎力作用下沥青路面粘弹性力学行为模拟研究

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振动与冲击 ›› 2017, Vol. 36 ›› Issue (15) : 181-186.

论文

王扬1，王丽娟2，路永婕2，司春棣2

作者信息 +

Simulation on viscoelastic behavior of asphalt pavement under complex moving wheel load

WANG Yang1, WANG Li-juan2, LU Yong-jie2, SI Chun-di2

Author information +

文章历史 +

摘要

对复杂移动轮胎力作用下的沥青路面粘弹性有限元建模进行了分析与探讨，在此基础上对路面的粘弹性力学行为进行了仿真，并分析了轮组形式和轴组形式对路面响应的影响。研究表明，在移动轮胎力作用下的路面有限元模型中，沥青混合料的蠕变法则宜采用应变硬化率关系式；在轮胎力反复作用下，路面内部的应力分布趋于均匀，中面层承受较大的Tresca应力；在轮胎工作状态相同的条件下，单轮组对路面永久变形的贡献与双轮组同等重要，双轴组对路面的破坏效应比单轴组更加显著。

Abstract

A finite element model of pavement under the complex moving wheel load was established in this study. Subsequently, viscoelastic behavior simulation of pavement had been conducted, and the influence of wheel set and axle set on pavement response had been analyzed. Results indicate that the strain-hardening formulation is more suitable for the creep rule of asphalt mixture in the proposed model. Under the repeated action of moving wheel load, the distribution of stress in the pavement tends to be uniform, and the intermediate pavement layer is subjected to a large Tresca stress. Under the same tire operating condition, the single-wheel set makes the same contribution to the permanent deformation of pavement with the dual-wheel set, and the damage effect of daul-axle set on pavement is more significant than that of single-axle set.

导出引用

王扬1，王丽娟2，路永婕2，司春棣2. 复杂移动轮胎力作用下沥青路面粘弹性力学行为模拟研究[J]. 振动与冲击, 2017, 36(15): 181-186

WANG Yang1, WANG Li-juan2, LU Yong-jie2, SI Chun-di2. Simulation on viscoelastic behavior of asphalt pavement under complex moving wheel load[J]. Journal of Vibration and Shock, 2017, 36(15): 181-186

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