Excavation Method of Reducing Blasting Vibration in Complicated Geological Conditions

Figure 10

Axial velocity in draw cut blasting of deep hole: (a) axial velocity of generator layer in draw cut blasting of deep hole; (b) axial velocity of turbine layers in draw cut blasting of deep hole; (c) axial velocity of different elevation for 6# generator sets in draw cut blasting of deep hole.

(a)

(b)

(c)