Research Article
Experimental Field Tests and Finite Element Analyses for Rock Cracking Using the Expansion of Vermiculite Materials
Figure 12
Strain field contours under initial cracking pressure for individual test models.
(a) Case 1 model ( MPa) |
(b) Case 2 model ( MPa) |
(c) Case 3 model ( MPa) |
(d) Case 4 model ( MPa) |