Calculation Model and Decoupling Coefficient Sensitivity Study of Periphery Hole for Eccentric Decoupled Charge in Highway Tunnels

Figure 6

The blast-hole rupture zone when the charge radius is 20 mm, where “” and “” stand for the rupture zone around the blast-hole of the present study and Chen et al.’s result when the decoupling medium is water, and “” and “” stand for the rupture zone around the blast-hole of the present study and Chen et al.’s result when the decoupling medium is air.