Abstract：According to the principle of excavation-induced unloading and the spatial effect of excavation face，the concept of secondary release of surrounding rock elastoplastic deformation is put forward. The mechanical model is established based on spatial effect of excavation face and secondary release of surrounding rock elastoplastic deformation. The interaction between surrounding rock and support is studied. The solution to interaction between surrounding rock and support in equilibrium is derived by introducing two necessary compatibility conditions which are stresses compatibility and displacement compatibility on the acting surface(contact surface) of surrounding rock and support. Design method of support structure is established based on spatial effect of excavation face and coordination of surrounding rock-support.
侯公羽. 基于开挖面空间效应的围岩–支护相互作用机制[J]. 岩石力学与工程学报, 2011, 30(S1): 2871-2877.
HOU Gongyu. INTERACTION MECHANISM BETWEEN SURROUNDING ROCK AND SUPPORT BASED ON SPATIAL EFFECT OF EXCAVATION FACE. , 2011, 30(S1): 2871-2877.
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2011, Vol. 30 
