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某在建地铁项目线路经过长江漫滩区,为了解该区域车站施工地下连续墙围护结构的变形特点,在工程施工过程中,于地下连续墙内及对应位置的土体中埋设测斜管进行测斜监测。该文对该区域内四个车站地下连续墙围护结构的监测结果进行汇总,分析在该软土地质条件下深基坑开挖的监测数据。通过对16个土体测斜管,12个墙体测斜管监测数据及曲线的对比,初步掌握地下连续墙围护结构的变形特点及产生变形的影响因素。最后本文提出了一些意见和建议,为类似工程提供有价值的资料。
A subway project under construction passes through the floodplain area in the Yangtze River. In order to understand the deformation characteristics of the retaining wall of the underground diaphragm wall in the construction of stations in the region, during the process of construction, the inclinometer tube shall be buried in the underground continuous wall and corresponding soil Inclination monitoring. This paper summarizes the monitoring results of the retaining structure of the diaphragm wall of four stations in this area and analyzes the monitoring data of the excavation of the deep foundation pit under the soft ground conditions. By comparing the monitoring data and curves of 16 inclinometers and 12 inclinometers, it is possible to grasp the deformation characteristics and the influencing factors of the diaphragm wall. In the end, this paper put forward some opinions and suggestions to provide valuable information for similar projects.