Review Article
Research on Fracture and Energy Evolution of Rock Containing Natural Fractures under Cyclic Loading Condition
Figure 4
Evolution of Poisson’s ratio with cyclic number at various cyclic levels ((a–d) the initial natural fracture volume ratio is 0.68%, 1.03%, 1.53%, and 2.27%, respectively.).
(a) |
(b) |
(c) |
(d) |