Design Method for Specific Charge in Deep Mining considering Influence of In Situ Stress

Table 1

Correction coefficients for specific charge under different stress states.

	λ
	0	0.1	0.2	0.3	0.4	0.5	0.6	0.7	0.8	0.9	1
0	0	0	0	0	0	0	0	0	0	0	0
0.1	−0.17	−0.149	−0.127	−0.106	−0.084	−0.063	−0.041	−0.020	0.002	0.024	0.045
0.2	−0.209	−0.189	−0.169	−0.149	−0.129	−0.109	−0.088	−0.068	−0.048	−0.028	−0.008
0.25	−0.21	−0.199	−0.188	−0.177	−0.166	−0.155	−0.144	−0.133	−0.122	−0.111	−0.1
0.3	−0.211	−0.238	−0.264	−0.291	−0.317	−0.344	−0.370	−0.397	−0.423	−0.450	−0.476