Influence of Elevation on Slake Durability Index of Quartz Mica Schist: A Case Study of East Slope of Manjiazhai Open Pit

Figure 8

Schematic diagram of crack channel expansion in rock. (a) Water enters rock pore state. (b) Formation of seepage channel. (c) Postgeneralization model. (d) Equivalent fracture channel. (e) Fracture channel widening.