Numerical Calculation Analysis of the Structural Stability of Cemented Fill under Different Cement-Sand Ratios and Concentration Conditions

Table 2

Mechanical parameters of the model.

Lithology	Tensile strength, σt (MPa)	Volume-weight	Elastic modulus, E (GPa)	Poisson’s ratio,	Internal friction angle, φ (°)	Cohesion, C (MPa)
Surrounding rocks	2.4	2.75	17.6	0.22	19.58	4.6
Ore rock	1.36	2.77	6.36	0.23	7.66	10.29