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俄国加固软基采用最多的方法是压力注浆,浆液有12种以上,除一般水泥浆、水玻璃和氯化钙之外,还有适用于细、粉砂的树脂相粒度极细的水泥浆液,后者虽然价格比一般水泥贵,但其渗透能力强,加固半径大,效果好。为了节约注浆材料,采用了一种新工艺——定向注浆法。即浆液向固定方向喷射后,旋转90°再喷射,相邻两注浆管的喷射浆液相互联接,在地基中,形成网络状的注浆液,类似加筋土体一样,提高软弱地基的承载
In Russia, the most widely used method for reinforcing soft ground is pressure grouting. There are more than 12 kinds of grouts. In addition to general grouts, water glass and calcium chloride, there are fine grouts of fine and silty resin phases , Although the latter is more expensive than the average cement, but its infiltration ability, reinforcing a large radius, the effect is good. In order to save the grouting material, a new technology - directional grouting method. That is, after the slurry is sprayed in a fixed direction, it is rotated by 90 ° and then injected. The spray grouts of the two adjacent grouting pipes are connected to each other to form a network-like grouting liquid in the foundation, which is similar to the reinforced soil body and improves the bearing of the weak foundation