隧道支护结构参数的合理性设计是隧道建设安全经济性的重要保证，而围岩-支护相互作用机制是隧道支护结构设计的核心问题。基于开挖面空间效应的等效力学模型，引入超前支护对开挖面空间效应的影响，建立超前支护、隧道支护-围岩耦合作用模型，得到支护结构与围岩动态相互作用的全过程解析。通过计算实例分析，主要得到如下结论： 1)从控制隧道围岩变形角度分析，超前支护、隧道支护均可有效控制隧道围岩变形，说明控制隧道围岩变形不仅要重视隧道支护结构的作用，同时也要考虑超前支护结构的作用； 2)当隧道围岩变形量控制到一定程度时，可通过同时调节超前支护参数和隧道支护参数来达到预期的变形控制效果。

The reasonable design of tunnel support structure parameters is an important guarantee for the safety and economy of tunnel construction, and the interaction mechanism between surrounding rock and support is the core issue of tunnel support structure design. Therefore, a coupling effect model of the advance and tunnel supports on surrounding rock is established based on the equivalent mechanical model of the space effect of the excavation face and the influence of the advance support on the space effect of the exaction face. Calculation examples are used to analyze the controlled effect of advance and tunnel supports on surrounding rock deformation. The following are the main conclusions: (1) Both the advance and tunnel supports can effectively control the deformation of the tunnel surrounding rock, demonstrating that the effect of the tunnel and advance support structures should be considered when monitoring the deformation of the tunnel surrounding rock. (2) When controlling the deformation of the tunnel surrounding rock to a certain degree, the expected deformation control effect can be achieved by the simultaneous adjustment of the advance and tunnel supports′ parameters.