Experimental Study and Engineering Practice of Pressured Water Coupling Blasting

Table 4

Parameters of traditional blasting.

Level angle/°	Elevation angle/°	Altitude/m	Hole depth/m	Sealing length/m	Charging length/m	Charge quantity/kg
20	13	7.87	35	12	23	46
15	13	7.87	35	12	23	46
15	9	5.48	35	12	23	46