So it lead to the result of serious foundation decline or sloped to one side.The jet-grouting can spout the cement syrup by high pressure and mix in course to form the solid knot body.

• 高压喷射灌浆技术既可通过高压射流喷射水泥浆，搅拌形成固结体，达到加固地基的目的，又可通过喷射浆液改变切割土体，达到地基促沉纠偏的目的。