路堑积雪平台的作用机理及参数优化研究

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振动与冲击 ›› 2025, Vol. 44 ›› Issue (7) : 114-123.

土木工程

路堑积雪平台的作用机理及参数优化研究

马文勇*1,2,3,4，郭世怡2，李赛2，张智博2，高毅2，詹子悦2

作者信息 +

Mechanism of action and parametric optimization of snow platform in road cutting

MA Wenyong*1,2,3,4, GUO Shiyi2, LI Sai2, ZHANG Zhibo2, GAO Yi2, ZHAN Ziyue2

Author information +

文章历史 +

摘要

风吹雪灾害会降低路面能见度同时造成积雪堆积。因此准确预测路堑内的雪浓度与积雪是路堑风吹雪灾害研究的重点。研究采用欧拉欧拉方法的混合多相流模型进行数值模拟，并基于典型全路堑的实测数据验证了模拟方法的正确性。文中模拟得到流场、壁面摩擦速度、积雪以及能见度的分布情况。通过分析模拟结果揭示了积雪平台的防治机理，并提出最优的参数取值。结果表明：积雪平台可以产生低风速区域，有效的捕获雪粒从而减少路面积雪；路堑中风速小于0.05倍入口1m高度处风速的区域可以反映路堑内的积雪分布；平台的最优参数取值为，上风侧边坡比1:3、7/6倍的行车道路宽度、5/6倍的行车道路深度。

Abstract

The snowdrift disaster will reduce road visibility and cause snow accumulation. Therefore, accurate prediction of snow concentration and snow distribution in cutting is the premise for solving the snowdrift disaster. The mixture model of the Eulerian-Eulerian method is used for numerical simulation. The correctness of the simulation method is verified by experimental data of typical full cutting. Though the flow field, wall friction velocity, snow and visibility distribution, the prevention mechanism, and optimal parameter values of the platform are clarified. The results show that platforms can effectively capture snow particles and reduce snow on the road. The areas with wind speeds less than 0.05 times the wind speeds at 1 meter at the entrance can reflect the snow distribution in the cutting. The optimal parameters of the platform are as follows: windward slope ratio 1:3, 7/6 times the width of the road, and 5/6 times the depth of the road.

导出引用

马文勇1, 2, 3, 4, 郭世怡2, 李赛2, 张智博2, 高毅2, 詹子悦2. 路堑积雪平台的作用机理及参数优化研究[J]. 振动与冲击, 2025, 44(7): 114-123

MA Wenyong1, 2, 3, 4, GUO Shiyi2, LI Sai2, ZHANG Zhibo2, GAO Yi2, ZHAN Ziyue2. Mechanism of action and parametric optimization of snow platform in road cutting[J]. Journal of Vibration and Shock, 2025, 44(7): 114-123

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