The thesis introduces the reinforcement mechanism and major methods of soft foundation pressure grouting method,analyzes pressure grouting construction preparation and technological procedures,and summarizes specific quality control measures,with a view to guarantee soft foundation treatment effect.%介绍了软基压力注浆法的加固机理与主要方法，对压力注浆施工前应做的准备工作及其工艺流程进行了详细分析，并总结了具体的质量控制措施，以确保软土地基的处治效果。
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