环境及地质条件复杂的深基坑支护设计实例

An Example of Supporting Design for Deep Foundation Pit with Complicated Environment and Geological Conditions

以长江一级阶地某基坑为实例,场区周边环境及地质条件比较复杂,基坑支护采用钻孔桩+内支撑作为支护手段,周边采用三轴搅拌桩止水,并配合中深井降水。监测资料表明基坑支护是成功的,基坑工程实施没有对周边环境造成损坏性的影响,基坑支护达到预期效果。

Taking the foundation pit of the first terrace of the Yangtze River as an example,the surrounding environment and geological conditions are complicated. The bored pile and inner support are used as the supporting means. The triaxial mixing pile is used to stop the water,and the deep well precipitation is combined with the deep well. Monitoring data show that the foundation pit support is successful. The implementation of foundation pit has no damage to the surrounding environment,and the foundation pit support achieves the desired effect.