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以一实际基坑支护工程为研究背景,该基坑工程的支护形式为双排桩结合深层搅拌桩,分析了现场监测资料如基坑变形、桩体变形等。结果表明,这种支护形式能够确保基坑的稳定性。最后以实测数据为依据,运用数值模拟软件对这种支护形式进行模拟实验,分析了深层搅拌桩和双排桩联合支护结构的变形特征和受力机理,并且对深层搅拌桩及双排桩的位置关系进行了探讨。本文的实例分析可以为类似工程提供必要的参考。
Based on the actual foundation pit supporting project, the supporting form of the foundation pit works is double-row piles combined with deep mixing piles. The on-site monitoring data such as foundation pit deformation and pile deformation are analyzed. The results show that this form of support can ensure the stability of foundation pit. Finally, based on the measured data, numerical simulation software was used to simulate the support form, and the deformation characteristics and mechanics of deep mixing piles and double-row piles combined support structure were analyzed. The location of pile is discussed. The case study in this paper can provide the necessary reference for similar projects.