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渗透注浆的必要条件是浆液的粒径远小于颗粒粒径。
Permeation grouting is a necessary condition for the particle size particle size is much smaller than.
在渗透性小的地层后压浆机理主要是压密注浆，在渗透性大的地层的后压浆机理主要是渗透注浆。
The working mechanism in less penetrability stratum appeared to be compression while in penetrability one appeared to be penetrating mainly.
分析了注浆井底压力与注浆时间、注浆液粘度的关系以及与渗透率的关系；
The pressure in well bottom relation with grouting time, the viscosity of cement liquid and the permeability in the confined aquifer were analyzed.
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