Numerical Simulation Research and Application of Support Design of Broken Rock Mass in Submarine Gold Mine

Table 1

Rock physical and mechanical parameters of indoor rock mechanic test.

Specimen position	Density (kg/m^3)	Uniaxial compressive strength (MPa)	Tensile strength (MPa)	Elastic modulus (GPa)	Poisson’s ratio	Intensive parameter
						c/MPa	φ
−212 m level	2,718	39.18	5.3	33.85	0.235	8.48	40.4
−307 m level	2,722	45.52	4.9	38.75	0.23	15.63	41.4
−373 m level	2,748	78.15	5.9	44.90	0.22	10.62	50.8