Research on the Application of Small Duct Grouting Method in the Treatment of Uneven Settlement of Soft Soil Subgrade
Aiming at the problems of long construction period and high cost of common treatment methods for uneven settlement of soft soil subgrade,this paper summarizes the advantages of small duct grouting method,and obtains the expected treatment effect of small duct grouting method for uneven settlement of soft soil subgrade by theoretical calculation method.Based on the construction technology,the method of determining the scope and parameters of small duct grouting construction section,the construction process and the related indexes of process quality control are put forward.Combined with the example of small duct grouting engineering of Tongqi Expressway with typical soft soil surgrade in Jiangsu,the application effect of small duct grouting method in the treatment of uneven settlement of soft soil subgrade is demonstrated.
small duct groutingsoft soil subgradeuneven settlement
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