首先对淤地坝地基土的岩土工程性质进行了分析，然后对碎石桩的加固机理进行了阐述，最后以陕北某高速公路的工程实体为例，通过试验检测验证，证明了采用碎石桩对淤地坝地基进行处治具有很好的效果。%This paper firstly analysed the rock soil engineering properties of soil-retaining dam foundation soil, and elaborated the reinforcement mechanism of gravel pile, finally taking northern Shaanxi a highway engineering entity for example, through test verification, proved that used the gravel pile had a very good effect to soil-retaining dam foundation treatment.
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