Based on the monitoring for expressway tunnel construction and finite element analysis, the paper analyzed the country rock stress state in the process of tunnel construction.
通过高速公路隧道施工监测及有限元数值分析方法，分析隧道施工过程中围岩应力变化情况。
Equivalent triangle structure is constructed with hinged bar elements to precisely simulate the effect of wire rope pulley block in the finite element analysis of structure of construction machines.
在工程机械结构有限元分析中，采用铰接杆单元构造等效三角结构，准确的模拟钢绳滑轮组的作用。
Therefore, it needs finite element model updating to ensure the results of analysis reflect the construction process accurately and achieve the goal of construction control.
因此，需要进行有限元模型修正，以保证其分析结果能够准确反映施工过程，从而达到施工控制的目的。
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