土钉—水泥土墙联合支护在深基坑工程中的应用

Application of Bracing structure with Soil-nails and Cement-soil Mixed Pile in Deep Foundation Pit

本文结合工程实例,介绍了土钉-水泥土墙组合支护技术,即在土钉墙背设置水泥土桩,与土钉墙共同形成坑壁垂直的联合支护,并在关键部位的搅拌桩内打设钢管。经实践证明,该方法安全、经济,且可靠性高。

This paper introduced the technology of soil-nails and cement-soil mixed pile to bracing structure. The vertical united support is combined with cement-soil mixed piles and soil- nails wall, some steel tubes are drive into pivotal cement-soil mixed pile. Practice has shown that the method is safe, economical and reliable.