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地下工程深基坑施工,基坑支护的稳定性监测在施工安全控制中具有极为重要的作用。根据北京某地铁车站基坑特点及施工方法,分析了支护桩顶位移、桩体位移及支撑轴力的变化特征,进一步阐述了施工中采用的控制方法。
The construction of deep foundation pit for underground engineering and the monitoring of the stability of foundation pit support play an extremely important role in the construction safety control. According to the characteristics of foundation pit and construction method of a subway station in Beijing, the variation characteristics of top displacement, pile displacement and supporting axial force are analyzed, and the control methods used in construction are further elaborated.