Research Article
Triaxial Creep Behavior of Red Sandstone in Freeze-Thaw Environments
Figure 6
SEM and binary images of red sandstone after (a) 0, (b) 1 (c) 5, (d) 9, and (e) 13 numbers of freeze-thaw cycles.
(a) 0 freeze-thaw cycle |
(b) 1 freeze-thaw cycle |
(c) 5 freeze-thaw cycles |
(d) 9 freeze-thaw cycles |
(e) 13 freeze-thaw cycles |