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.
分析了注浆井底压力和原区压力与注浆时间、浆液粘度、渗透率、计算点与注浆井距离等关系;
The pressure in well bottom relation with the time of the injection and the viscosity of cement liquid, and the permeability in the confined aquifer are analyzed.
目前孔隙性围岩注浆参数大多是根据浅表土的渗透系数确定的,这不适合深层土注浆。
Up to now grouting parameters for the porous surrounding rocks, depended on the penetrating coefficient for shallow surface soil, is unfit for the deep surface soil grouting.
因此,合理确定注浆圈的厚度及渗透系数等参数是海底隧道工程中一个亟待解决的问题。
The appropriate parameters of grouting circle are the key issue to the design of subsea tunnel.
注浆完成后随浆体水泥水化反应的进行和浆体水分的渗透损失,浆体体积收缩造成地层损失并引起地层位移沉降。
With the hydration of cement and liquid loss after backfill process being completed, the grout volumes shrinkage leads to ground loss and induces the ground movement.
注浆完成后随浆体水泥水化反应的进行和浆体水分的渗透损失,浆体体积收缩造成地层损失并引起地层位移沉降。
With the hydration of cement and liquid loss after backfill process being completed, the grout volumes shrinkage leads to ground loss and induces the ground movement.
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