预应力锚杆与土钉墙联合支护技术在某深基坑支护中的应用

Application of the technology of the prestressed anchor and soil nailing united supporting in deep foundation pit

广州凯城东兴大厦基坑工程为二级基坑 ,基坑深达 2 2 6m ,基坑总长度 2 10m ,周围密布 10座楼房 ,支护难度较大 限于实际情况 ,采用预应力锚杆与土钉墙联合支护技术 ,由于较合理的运用了信息化施工技术 ,基坑支护得以顺利完成

The foundation pit of the high building of Guangdong Kaicheng Dongxing is the second grade foundation pit,which is 22.6 m deep,210 m wide,surrounded by ten buildings and is very difficult to support. Considering the practical condition, the technology of the prestressed anchor and the soil nailing united supporting is adopted. Because of the reasonable application of information construction,the supporting of the foundation pit is finished smoothly.The design condition and implementing result of the prestre...