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针对隧道围岩支护系统的稳定性和安全性问题,以及隧道围岩位移参数在隧道围岩稳定性及安全性中的重要作用,分析了隧道围岩位移的极限状态,建立了隧道围岩极限位移的确定方法和隧道围岩极限位移的判别准则。有助于构建隧道围岩稳定性分析的位移预测预报系统来解决这一复杂问题。
Aiming at the stability and safety of tunnel surrounding rock support system and the important role of tunnel surrounding rock displacement parameters in the stability and safety of tunnel surrounding rock, the limit state of surrounding rock displacement is analyzed and the tunnel surrounding rock Method for determining the limit displacement and criterion for determining the limit displacement of surrounding rock mass of tunnel. It is helpful to construct the displacement prediction and forecasting system to analyze the stability of surrounding rock of tunnel to solve this complicated problem.