地铁中间风井深基坑在花岗岩地层中的施工方法

Construction Technique of Deep Foundation Pit of middle air shaft hole in Granite

通过广州轨道交通三号线[市桥站北～番禺广场站盾构区间]中间风井深基坑施工实例,探讨在深度达43m的花岗岩为主的地层中深基坑的施工方法及其控制土质软化技术措施,为类似工程施工提供参考。

Through the example of middle air shaft hole excavated for building foundation construction of the Guangzhou track transportation line 3,discusses about the construction method of the 43 meter deep foundation pit in granite and its Control technique,provides the reference for the similar project construction.