摘要
以全路堑横断面风吹雪的野外观测为例,介绍了公路风吹雪的流场风速观测方法;结合实地观测数据和仿真计算模拟结果,定量分析了全路堑横断面的流场分布特性、风吹雪运动特性、路面积雪形成过程以及雪害形成的主要影响因素。为其它断面形式下的公路风吹雪野外观测和形成过程分析提供了可借鉴经验,同时也为公路风吹雪雪害的防治提供了一定的理论依据。
In this paper, we take cutting cross-section for an example to carry out field observation, briefly introduce investigating method of flow wind speed of road snow-drift; quantitatively analyze flow pattern distributing of cutting crosssection, motion characteristics of snow-drift and central influencing factors of snow-drifl process combine with field observation data and simulation results. It provides valuable experiences for road snow-drift field observation and forming process analysis of other road cross-section form, and snow-drift preventing can benefit from the theoretical basis in this paper.
出处
《长春理工大学学报（自然科学版）》
2009年第2期260-263,共4页
Journal of Changchun University of Science and Technology(Natural Science Edition)
基金
国家自然科学基金(50808093)
博士后科研基金(20070411000)
关键词
风吹雪
野外观测
全路堑
仿真
流场
snow-drift
field observation
cutting
simulation
flow
