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本文对层状岩体中地下洞室进行了粘弹塑性有限元分析。系统推导了计算公式,编制了一个能处理正交各向异性体或各向同性体、有或无喷锚支护衬砌和洞室分期开挖等综合性计算程序“SGJ-3”,并结合工程实例进行了计算分析。计算程序和计算结果可供设计和工程问题研究中应用或参考。
In this paper, the viscoelastic-plastic finite element analysis of the underground cavern in the layered rock mass is performed. The system has deduced the calculation formula and developed a comprehensive calculation program “SGJ-3” that can deal with orthotropic or isotropic bodies, with or without spray-anchor support lining and chamber excavation. Engineering examples were calculated and analyzed. The calculation procedures and calculation results can be applied or referenced in the research of design and engineering problems.