<FONT face=Verdana>深部巷道围岩分区破裂三维地质力学模型试验研究</FONT>

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Abstract In order to simulate the generating condition and reveal the failure mechanism of zonal disintegration， the formation process of zonal disintegration through 3D geomechanical model test of the Dingji coal mine deep tunnel in Huainan mine is reconstructed area and the changing laws of strain and displacements of the surrounding rocks by means of various advanced and exact measurement methods are obtained. The formation conditions and failure laws of zonal disintegration of deep tunnel have been revealed through model test，which lays a solid test foundation for further studying nonlinear deformation and failure mechanism of deep tunnel.

Key words： rock mechanics deep tunnel zonal disintegration 3D geomechanical model test nonlinear deformation failure mechanism

Received: 05 February 2009

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http://www.rockmech.org/EN/ OR http://www.rockmech.org/EN/Y2009/V28/I09/1757