严寒季冻区路基冻胀变形对车轮多边形磨耗演化影响研究

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振动与冲击 ›› 2025, Vol. 44 ›› Issue (15) : 153-162.

交通运输科学

严寒季冻区路基冻胀变形对车轮多边形磨耗演化影响研究

丁旺才1,2，张呈祎1，吴少培1，李得洋1，高全福1，李强1，李国芳*1

作者信息 +

Effects of subgrade frost heave deformation on wheel polygon wear evolution in seasonally severe cold areas

DING Wangcai1,2, ZHANG Chengyi1, WU Shaopei1, LI Deyang1, GAO Quanfu1, LI Qiang1, LI Guofang*1

Author information +

文章历史 +

摘要

为研究严寒地区高速铁路车轮多边形磨耗演化规律，首先以我国季冻区无砟轨道结构为研究对象建立考虑结构配筋的 CRTS III 型板式无砟轨道精细化非线性有限元分析模型，其次建立基于轮对、构架以及轨道柔性的车辆-轨道-路基耦合动力学模型，结合适用于计算车轮圆周长期磨耗演化的MATLAB预测模型，研究不同温度梯度下车轮多边形圆周磨耗演化规律，进一步分析严寒地区路基不均匀冻胀变形对车轮多边形圆周磨耗演化的影响。结果表明：在20℃~-40℃温度梯度范围内，严寒环境会加剧车轮多边形磨耗演化速率，磨耗后期车轮粗糙度水平及多边形幅值显著大于常温环境，波动幅度甚至超过两倍；路基冻胀幅值主要影响车轮多边形磨耗演化速率，幅值越大，演化速率越快，但对磨耗演化区域的影响较小；冻胀波长主要影响车轮磨耗量的累积位置，随着波长的增大，磨耗量会在车轮均匀叠加，波长越大，越趋于规则性磨耗，而冻胀波长对车轮磨耗速率影响甚微，研究结果可为严寒地区高速铁路车轮磨耗提供参考。

Abstract

In order to study the evolution law of wheel polygon wear of high-speed railway in severe cold area, a refined nonlinear finite element analysis model of CRTS III plate type ballastless track considering structural reinforced was established based on the ballastless track structure in seasonal freezing area of China, and then a vehicle-track-roadbed coupling dynamic model based on wheelset, frame and track flexibility was established. Combined with the MATLAB prediction model suitable for calculating the long-term wear evolution of wheel circumference, the evolution law of wheel polygon circumference wear under different temperature gradients was studied, and the influence of uneven frost heave deformation of roadbed on wheel polygon circumference wear evolution in cold regions was further analyzed. The results show that in the temperature gradient range of 20℃~-40℃, the evolution rate of wheel polygon wear will be accelerated in cold environment. The level of wheel roughness and the amplitude of polygon in the late wear period are significantly greater than that in normal temperature environment, and the fluctuation amplitude is even more than twice. The frost heave amplitude of roadbed mainly affects the wear evolution rate of wheel polygon. The larger the amplitude is, the faster the evolution rate is, but the influence on the wear evolution region is small. Frost heave wavelength mainly affects the accumulation position of wheel wear. With the increase of wavelength, the wear will be uniformly superimposed on the wheel, and the larger the wavelength, the more regular wear tends to be, while the frost heave wavelength has little effect on wheel wear rate. The research results can provide a reference for wheel wear in cold regions.

导出引用

丁旺才1, 2, 张呈祎1, 吴少培1, 李得洋1, 高全福1, 李强1, 李国芳1. 严寒季冻区路基冻胀变形对车轮多边形磨耗演化影响研究[J]. 振动与冲击, 2025, 44(15): 153-162

DING Wangcai1, 2, ZHANG Chengyi1, WU Shaopei1, LI Deyang1, GAO Quanfu1, LI Qiang1, LI Guofang1. Effects of subgrade frost heave deformation on wheel polygon wear evolution in seasonally severe cold areas[J]. Journal of Vibration and Shock, 2025, 44(15): 153-162

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