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采用有限元法研究了埋藏式钢筋混凝土岔管的计算范围。研究中认为混凝土衬砌及围岩是线弹性体，并考虑了围岩不同弹性模量对计算范围的影响。算例给出了埋藏式钢筋混凝土岔管关键部位的应力受相关因素影响的情况。最后通过综合分析得出了埋藏式钢筋混凝土岔管的有限元计算范围值。
The calculation range of buried reinforced concrete bifurcation pipe is studied by finite element method. In the study, it is considered that the concrete lining and surrounding rock are linear elastomers, and the influence of different elastic modulus of surrounding rock on the calculation range is considered. The example shows the stress of the key parts of the buried reinforced concrete bifurcation affected by the relevant factors. Finally, the finite element calculation range of buried reinforced concrete bifurcation pipe is obtained through comprehensive analysis.