Analysis of the Regularity and Mechanism of Fault Activation Caused by Deep Continuous Mining of Shizishan Copper Mine, China

Table 1

Macroscopic rock mechanics parameters of Shizishan Copper Mine.

Lithology	Density ρ (g/cm^3)	Modulus of elasticity E (GPa)	Poisson’s ratio	Tensile strength σt (MPa)	Cohesive force C (MPa)	Angle of internal friction Φ (°)
Bluish grey dolomite	2.85	20.0149	0.269	2.1966	2.6110	41.99
Faded dolomite	2.84	13.0620	0.280	2.1796	2.5504	34.05
Orebody	2.84	17.8847	0.214	2.2577	2.9637	47.42
Purple slate	2.63	4.5676	0.284	1.0431	1.5710	31.68
Carbonaceous slate	2.70	2.2416	0.350	0.9298	1.3848	35.42