This thesis explores how to apply effective protection methods to avoid serious water damage of roadbed along the river at winding river section in the construction of mountain road,and compares protective experiment results of winding river along the river with different structures through indoor model test.Combining with relevant theories,it finds out differences of different protective effects,and puts forward engineering proposals,which has provided certain reference for protective engineering construction of winding river of the roadbed along the river at winding section.%针对在山区公路建设中,沿河路基弯曲河道段水毁严重,采用何种防护形式才能进行有效防护等问题进行了探讨,通过室内模型试验,对沿河路基弯曲河道不同形式结构物的防护试验结果进行对比,并结合相关理论知识,得出不同防护形式效果之间的区别,提出工程建议,为沿河路基弯曲河道防护工程建设提供一定的参考。
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