水泥粉喷桩在加固软土地基中的应用

Application of cement injection pile in reinforcement of soft soil foundation

结合沪杭甬高速公路拓宽三期工程软基处理施工实践,阐述了粉喷桩施工工艺原理、施工工艺流程、具体施工操作方法、施工质量控制关键,总结了施工中的经验及教训,得出了采用粉喷桩处理软土地基可行有效的结论。

Combined with practical soft soil foundation treatment work in the 3rd widening project of Hu-Hang-Yong expressway the construction technology,principle technological process,practical operation method and key points for construction quality control of cement injection pile are elaborated.In the end experiences and lessons are summarized.Practice show the application of cement injection pile is effective in soft soil foundation treatment.