Research Article
Unloading-Induced Crack Propagation of Two Collinear Unequal Length Flaws in Brittle Rocks
Figure 1
Stress distribution in different parts of a slope before (a) and after (b) excavation and mechanical model of the stress state of the rock mass.
(a) Stress state of rock mass before slope excavation |
(b) Stress state of rock mass after slope excavation |