多工艺联合支护在复杂地质深基坑支护中的应用

Application of multi-technology combined support in complex geological deep foundation pit support

某选煤厂1~#、2~#翻车机房工程施工场地狭小,周边环境复杂,基坑开挖深度大,工程地质条件复杂。为确保基坑稳定和周边已有建筑物安全为前提,采用支护桩+锚杆+土钉墙+双排桩相结合的支护体系,实践证明是可行的,为今后类似工程基坑施工提供了参考和借鉴。

The construction site of 1 # and 2 # dumper room in a coal preparation plant is narrow, the surrounding environment is complex, large foundation pit excavation depth, complex engineering geological conditions. In order to ensure the stability of foundation pit and the safety of existing buildings around it, supporting system with retaining pile+anchor +soil nailing wall+double-row piles, practice has proved that it is feasible, it provides reference and reference for similar engineering foundation pit construction in the future.