Analysis of Mechanical Properties of Sandstone under Freeze-Thaw Cycles Based on Digital Image Correlation (DIC)

Table 2

Evolution process of the -direction main strain of samples B0, B10, B20, B30, B40, and B50.

Samples	0.2σc	0.3σc	0.4σc	0.5σc	0.6σc	0.7σc	0.8σc	0.9σc	σc
B0
B10
B20
B30
B40
B50