考虑轴载组合与层间结合状态变化的路面动载响应分析

单景松;黄晓明;李松辉

振动与冲击 ›› 2009, Vol. 28 ›› Issue (10) : 141-146.

PDF(2540 KB)
PDF(2540 KB)
振动与冲击 ›› 2009, Vol. 28 ›› Issue (10) : 141-146.
论文

考虑轴载组合与层间结合状态变化的路面动载响应分析

  • 单景松1;黄晓明2;李松辉1
作者信息 +

Dynamic response of pavement considering axle combination and contact condition between layers

  • SHAN Jing-song1;HUANG Xiao-ming2;Li Songhui1
Author information +
文章历史 +

摘要

利用动态有限元数值计算理论和显示积分方法对路面结构的动态响应进行了分析。首先对垂直脉冲荷载和移动荷载两种加载模式下路面结构响应进行了对比,发现垂直脉冲荷载虽然能反映行车荷载瞬时性的特点,但其与实际的移动荷载相比仍存在较大误差。然后以移动荷载为加载模式,并考虑了轴载组合及路面各结构层层间粘结状态等影响因素,对移动荷载下的路面结构响应进行了详细计算分析。

Abstract

The responses of stress in pavement structure under moving distributed load are got by three dimensional dynamic FEM and explicit integral. Vertical impulsive loads and moving loads are put on road model, respectively and the difference is got. The result shows that vertical impulsive loads can reflect the instantaneous property of traffic loading, but distinct error till exists compared with actual moving loads. Inner stress in surface layer and tensile stress at the bottom of base are analyzed mainly considering several factors,such as contact condition between layers and axle combination.

关键词

垂直脉冲荷载 / 移动荷载 / 有限元方法 / 轴载组合 / 层间结合状态

Key words

Vertical impulsive loads / moving loads / FEM method / axle combination / contact condition between layers

引用本文

导出引用
单景松;黄晓明;李松辉. 考虑轴载组合与层间结合状态变化的路面动载响应分析[J]. 振动与冲击, 2009, 28(10): 141-146
SHAN Jing-song;HUANG Xiao-ming;Li Songhui. Dynamic response of pavement considering axle combination and contact condition between layers[J]. Journal of Vibration and Shock, 2009, 28(10): 141-146
中图分类号: U416.2   

PDF(2540 KB)

Accesses

Citation

Detail

段落导航
相关文章

/