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深基坑在开挖施工过程中,应力状态的改变引起支护结构承受荷载并导致支护结构和土体的变形,将造成基坑的失稳破坏或对周围环境造成不利影响,因此深基坑支护结构深层水平位移监测尤为重要,文章对厦门岛外沿海软土地区某深基坑深层水平位移监测数据进行了分析,并提出了确保监测精度的关键所在。
During excavation and excavation of deep foundation pit, the change of stress state causes the supporting structure to bear the load and cause the deformation of supporting structure and soil, which will cause the instability of the foundation pit or adversely affect the surrounding environment. Therefore, deep foundation The deep horizontal displacement monitoring of pit support structure is particularly important. The paper analyzes the monitoring data of deep horizontal displacement of a deep foundation pit in coastal soft soil areas outside Xiamen Island, and puts forward the key to ensure the monitoring accuracy.