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高速公路软土地基处理目前在我国多采用清淤换填、粉喷桩、碎石桩、排水板等诸多方法,并有许多成功的经验。但对于不同地区、不同地质,采用不同的处理方法,对于提高工程质量、争取工期、降低成本却有很大的影响。文章通过杭(州)至金(华)至衢(州)高速公路粉喷桩处理软土地基方案选择及处理效果的分析比较,阐述了软土地基处理方案的选择应根据土质情况合理确定,这样才能提高工程质量、加快工程进度、降低工程成本,取得良好的社会效益和经济效益。
At present, many methods of soft soil foundation treatment are used in our country, such as dredging replacement, powder injection pile, stone column, drainage board and many other methods, and many successful experiences. However, for different regions and different geology, adopting different treatment methods has a great impact on improving the quality of the project, obtaining the construction period and reducing the cost. Through the comparison and analysis of the scheme selection and treatment effect of soft soil foundation treatment by DJM pile from Hangzhou to Jinhua and Quzhou expressway, In order to improve the quality of the project, speed up the progress of the project, reduce the project cost and achieve good social and economic benefits.