Preparation of the grout. When the pile shift, which began with the design ratio determined by mixing grout. First, water is added to the bucket, then pour cement and an admixture, start the mixer and stirred for 10 to 20 minutes, then unscrew the valve at the bottom of the mixing bucket, Crawler jet grouting rig sales, into the first screen (pore size 0.8mm), Jet crawler rig model, flows into the pool after the slurry is filtered and then pumped into the second track through mud pump filter (pore size of 0.8mm), after the second filter slurry flow into the bucket until the backup grouting . Churning Pile first part of the processing. When a spin near the top of the pile when the nozzle lift, single and double three crawler jet grouting rig, the following should be top of the pile 1.0m start, slow upgrade Jet, Jet Huairou crawler rigs, rotary spray a few seconds, and then slowly lift up 0.5m, until the pile stop pulp surface.