Groundwater Inrush Control and Parameters Optimization of Curtain Grouting Reinforcement for the Jingzhai Tunnel

Table 1

Shear strength parameters of slurry rock interface.

Elastic shear modulus	Yield stress	Peak intensity	Residual shear strength	Shear stiffness	Cohesion	Internal friction angle	Peak friction coefficient	Residual friction coefficient
5.12	231	332.91	331.27	0.119	96.22	33.3	0.582	0.576