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近年来降雨对铁路路基边坡的冲刷行为日益严重,我国铁路发生水灾等灾害次数逐年递增,目前对人类正常的生产生活、出行旅客的生命安全及经济等造成不同程度影响。根据相关研究发现表明,我国大部分的铁路路基发生水灾都是由于降雨对铁路路基边坡的冲刷行为产生。对此本文首先就铁路路基的结构特征展开基础分析,并在基础上对铁路路基边坡降雨冲刷行为的类型进行相关阐述。此外以某地区铁路路基边坡的降雨冲刷为例,对铁路路基边坡降雨冲刷行为与规律进行相关的研究。
In recent years, the erosion of railroad embankment slopes by rainfall has become more and more serious. The number of floods and other disasters in China’s railways has been increasing year by year. At present, it has various impacts on the normal life and production, life safety and economy of travelers. According to the relevant research findings, most of the flood damage to railway subgrade in our country is caused by the erosion of the railway subgrade slope. In this paper, the basic analysis of the structural characteristics of railway subgrade is carried out firstly, and then the types of rainfall erosion on railway subgrade slope are explained. In addition, taking the rainfall erosion of the subgrade slope of a certain area as an example, the paper studies the rainfall erosion behaviors and laws of the railway subgrade slope.