该接头刚度模型为梁-弹簧模型法和修正惯用法中的关键参数确定提供了基础，管片的内力计算也更加合理。
Because the model has provided the foundation to determine the key parameters of modified routine method and beam-spring method, calculation of shield tunnel segment becomes more rational.
然后，在对三维有限元分析结果研究的基础上，建立了环缝处的纵向螺栓剪切模型，利用该模型可以计算得到错缝拼装衬砌二维梁-弹簧模型中环间剪切弹簧的刚度；
Based on the 3D analysis result, shear models of ring joint bolt is built and shear parameters between rings needed in 2D analysis with beam-spring model can be obtained by this shear model.
整个模型共有102,109个节点，109,834个单元，包括壳单元，体单元、梁单元、弹簧单元等单元类型。
It was modeled with 102,109 nodes and 109,834 elements, including beam, shell, solid and spring elements.
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