SP-30B horizontal rotary spray rig Horizontal Jet Grouting in horizontal drilling in a high pressure water jet grouting way soft foundation grouting construction mud treatment, the outer contour of the excavation of the tunnel lining soft ground arching pre-treated to protect ahead of the tunnel face and surface subsidence support construction methods. Practice has proved that the level of domestic and foreign jet grouting pile is effective and fast economic advance support technology infrastructure engineering soft ground tunneling, and has broad prospects for application. Company on the basis of a large number of studies on the use of theoretical analysis of jet grouting pile driver has been further improved soft foundation treatment methods, and the use of a number of technical innovations, according to the needs of the construction, production and utility models of small horizontal jet grouting pile machine. XPB-20B walker deep foundation anchor rig Tianjin-strong high-pressure pump Co., Ltd. under the domestic subway, high-rise buildings, airports, ground source heat pumps and other deep foundation anchored, Churning, precipitation developed efficient rig.