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本文以天津滨海新区某基坑支护工程为例,介绍了矩形桩支护结构在软土地区深基坑支护工程中的应用。在结合矩形桩力学性能的基础上,利用理论计算将其运用于工程实际,通过监测数据与理论计算值的对比,对矩形桩支护结构的变形及受力特征进行了综合分析,结果显示变形及受力特征均与理论计算相吻合,从而证明该基坑支护设计取得了较好的预期效果。同时该支护结构极大地缩短了工期,一定程度上降低了工程造价,带来了良好的社会效益和经济效益,可为其它类似工程提供应用参考。
Taking a foundation pit supporting project in Binhai New Area of Tianjin as an example, this paper introduces the application of rectangular pile supporting structure in deep foundation pit supporting project in soft soil area. Based on the mechanical properties of rectangular pile, the theoretical calculation is applied to the engineering practice. Based on the comparison between the monitoring data and the theoretical calculation, the deformation and force characteristics of the rectangular pile supporting structure are comprehensively analyzed. The results show that the deformation And the force characteristics are consistent with the theoretical calculation, which proves that the design of the foundation pit support has achieved good expected results. At the same time, the supporting structure greatly shortens the construction period, reduces the construction cost to a certain extent, brings good social and economic benefits, and can provide reference for other similar projects.