Twin-tube high-pressure jet grouting pile consists of three parts: 1, Host 2, 3 drill, spray system 4, the hydraulic control system 5, the electrical control system (a) host consists of the following major components (1) base: for load-bearing tower and other main structure around the pile of weight and achieve around shift (2) Stand: a guide for drilling and pressure fixing (3) Transmission: 22KW main pump motor (4) bracing lever (b) drill section consists of the following major components: (1) the splitter (2) drill: using Φ60 geological drill (3 bits: Using φ2.4mm high pressure nozzle high pressure slurry cutting rock layer ( c) spraying system consists of the following major components: (1) mud pump: general high pressure GZB-40C or XPB-90E two specifications of injection pump (2) mixed with pulp barrels (3) air compressor (4. ) large and small gas tank full hydraulic walking XPB-20B jet grouting pile, Weight: 2.8t can be accessed drill length: 3 meters can be equipped with drill types: single-tube double pipe three jet grouting drilling rig, East Crawler Jet rig, the process is as follows: start pile driver crawler Jet rig manufacturer, while opening the high-pressure mud pump low pressure conveying cement slurry that stands to move along the guide drill the jet into a sink hole; until the pile end design elevation, observation should not exceed the current rating.