新乡市染织厂 9号住宅楼基础工程 ,属于一个典型的老城区改造工程实例。拟建工程场地的环境地质条件很差 ,不能满足建筑设计与施工要求。在分析岩土工程地质资料和深层搅拌桩设计、施工技术的基础上 ,选择水泥喷浆桩复合地基进行处理并获成功 ,取得了良好的社会效益和经济效益。水泥喷浆桩复合地基处理在新乡市区首次应用成功 ,显示了地基处理施工、设计单位的技术实力 Xinxiang City dyeing and weaving factory No. 9 residential building foundation project belongs to a typical example of the old city reconstruction project. The environment and geological conditions of the proposed project site are poor and cannot meet the architectural design and construction requirements. Based on the analysis of geotechnical engineering geological data and design and construction techniques of deep mixing piles, cement jet grout pile composite foundation was selected for treatment and successfully achieved good social and economic benefits. Cement grout pile composite foundation treatment was successfully applied in Xinxiang city for the first time, showing the technical strength of foundation treatment construction and design institutes.