Open-Pit Mine Geological Model Construction and Composite Rock Blasting Optimization Research

Table 3

Statistical table of peak effective stress at special points.

Model number	Hole distance (m)	Row spacing (m)	Effective stress peak (MPa)
A	B	C	D	E
1	5	4	18.45	15.65	19.87	15.44	17.16
2	5	5	18.23	19.84	20.88	20.45	22.92
3	6	5	16.27	16.55	14.23	18.59	10.34