Linkage Analysis between Solid-Fluid Coupling and the Strength Reduction Method for Karst Cave Water Inrush in Mines

Table 1

The rock mass calculation parameters of the Maokou limestone.

Density (Kg/m^3)	Water absorption	Saturated coefficient	Softening coefficient	Uniaxial compression (MPa)	Tensile strength (MPa)	Young modulus	Poisson ratio	Porosity	Cohesion (MPa)	Internal frictionangle (°)	Hydraulic conductivity 10^−10
26.2	0.22	0.56	0.68	12.7	0.82	12.6	0.35	0.25	1.5	29.7	0.85