Study and Application of Rock Breaking Mechanism of Concentrated Water Hydraulic Smooth Blasting in Broken Sand-Stone Geological Conditions

Table 1

Blasting test parameters.

Group	Charge structure	Hole number	Numbering	The direction of the condenser tube
A	Water bag + 60 cm tube + water bag + gun mud	3	1# 2# 3#	Level
B	Water bag + 60 cm tube + water bag + gun mud	3	4# 5# 6#	Erection