旋喷式注浆是一种利用高速喷射的射流,将孔壁附近一定范围内的土、砂等松散岩层破坏,并使其与喷射的水泥浆混合、凝结的注浆方法。目前,这种方法主要用于地基加固处理,但实践表明,在钻探施工中, Rotary jet grouting is a kind of grouting method which uses high-speed jet to destroy the loose rock layers such as soil and sand within a certain range near the hole wall and mix them with the injected grout. At present, this method is mainly used for foundation reinforcement, but practice shows that in drilling construction,