Research Article

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

Table 3

Simulation charge scheme.

GroupCharge structureInitiation siteThe direction of energy sink

1Water bag + tube + water bag + gun mudBottom holeIdentity
2Water bag + tube + water bag + airBottom holeIdentity
3Air + concentrator + air + gun mudBottom holeIdentity