Abstract : with the composite process of root - pile and infilling consolidation by cement injection with foraminate - steel - tube ; good effect has been made in the treat of sideslip of one fly - over bridge . the work machanism and technology of cement injection with foraminate - steel - tube are discussed in following article 文摘:用树根桩及带眼钢管充填压密灌浆工艺复合处理某立交桥侧移的实践取得很好实效;对带眼钢管灌浆的工艺与机理作了讨论,认为其具有广阔的应用前景。