Fig. 5
From: Evolution law of surrounding rock stress field for ultra-deep shaft development blasting

Stress superposition effect around blasting hole37: (a) Uniform stress state, k = 1; (b) Non-uniform stress state, k = 0.
From: Evolution law of surrounding rock stress field for ultra-deep shaft development blasting
Stress superposition effect around blasting hole37: (a) Uniform stress state, k = 1; (b) Non-uniform stress state, k = 0.