Effects of Saline Solutions on the Desiccation Cracking and Shrinkage Behavior of Gaomiaozi Bentonite

Table 4

Associated parameters of the cracking for different specimens.

Designation	−dδ/dω (crack growth stage)	Peak surface crack ratio (%)	Final surface crack ratio (%)
DW	0.84	8.75	3.51
0.5Na-T	0.56	5.6	1.24
1.0 Na-T	0.36	4.29	0.68
2.0 Na-T	0.12	1.38	0
0.5Ca-T	0.49	3.09	0.25
1.0Ca-T	0.36	2.62	0.22
2.0Ca-T	0.13	1.13	0.14