Dynamic Mechanical Response and Dissipated Energy Analysis of Sandstone under Freeze-Thaw Cycles

Table 3

Dynamic uniaxial compression mechanical parameters of sandstone under different freeze-thaw cycles.

Grouping and numbering of samples	Strain rate (s^-1)	Compression strength (MPa)	Axial strain (10^-2)
Y0-1	54.8	155.54	0.73
Y0-2	75.3	179.11	0.97
Y0-3	98.9	221.03	1.18
Y1-1	50.2	140.28	0.87
Y1-2	70.5	167.99	1.04
Y1-3	102.6	200.36	1.27
Y5-1	53.8	130.46	0.98
Y5-2	73.8	157.33	1.16
Y5-3	96.7	185.65	1.36
Y10-1	51.7	121.75	1.09
Y10-2	77.8	148.94	1.28
Y10-3	96.1	176.21	1.44
Y15-1	53.2	112.23	1.16
Y15-2	77.7	140.07	1.33
Y15-3	98.3	166.83	1.52
Y20-1	55.2	105.28	1.21
Y20-2	75.3	135.68	1.39
Y20-3	101.8	158.76	1.59