Advances in Civil Engineering / 2019 / Article / Fig 5

Research Article

Influence of Rock Strength on the Propagation of Slotted Cartridge Blasting-Induced Directional Cracks

Figure 5

The initiation and propagation of the directional crack in the granite: (a) t = 1.89; (b) t = 6; (c) t = 60; (d) t = 300.
(a)
(b)
(c)
(d)