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

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Journal of Vibration and Shock ›› 2025, Vol. 44 ›› Issue (7) : 114-123.

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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

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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.

Key words

snowdrift / full cutting / snow platform / numerical simulation / parameter optimization

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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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