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本文根据《建筑基坑支护技术规程》中关于双排桩的计算理论，对采用双排桩支护的某基坑工程，通过调整双排桩前后排间距及连系梁刚度，并利用Abaqus 有限元分析软件建立计算模型，得到不同参数下基坑的变形值。通过对计算结果进行分析，得出连系梁刚度对基坑变形的影响规律，为相应的基坑工程提供一定的理论参考。
In this paper, according to the calculation theory of double-row piles in “technical regulations of foundation pit support”, by using the double-row piles supporting a certain foundation pit project, by adjusting the front and rear row spacing of double-row piles and the rigidity of tie beam, The finite element analysis software establishes the calculation model and obtains the deformation value of the foundation pit under different parameters. By analyzing the calculation results, the influence law of the rigidity of the tie beam on the deformation of the foundation pit is obtained, which provides some theoretical references for the corresponding foundation pit engineering.