Displacement Deformation Analysis and Support of Deep Red Shale Tunnel in Maluping Mine
Surrounding rock mass of deep red shale tunnel in Maluping mine were mostly vertical displacement after excavation under the condition of no support.Horizontal displacement and vertical displacement of red shale tunnel were suppressed effectively after adopted new extension type grouted rock bolt and base angle bolting.Rib spalling and roof caving problems of red shale deep tunnel of this mine were solved.
Deep red shale tunnelHorizontal displacementVertical displacementBolt support
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