Experimental Investigation of Dynamic Compression Mechanical Properties of Frozen Fine Sandstone

Table 3

Typical SHPB tests results.

Number	T (°C)	(m·s^−1)	(s^−1)	(MPa)		DIF
A1-1	−15	1.98	28	26.38	0.007	2.71
A1-2		2.12	32	26.77	0.009	2.75
A1-3		2.28	34	30.92	0.013	3.17
A2-1		2.74	41	33.78	0.010	3.46
A2-2		2.87	42	37.63	0.012	3.86
A2-3		3.28	47	38.35	0.016	3.93
A3-2		3.83	64	57.72	0.015	5.92
A3-3		4.52	70	55.34	0.016	5.68
B1-1	−20	2.15	33	37.34	0.009	2.78
B1-2		2.28	34	42.26	0.012	3.14
B1-3		2.31	36	42.19	0.008	3.14
B2-1		3.28	48	51.44	0.020	3.82
B3-1		3.99	60	58.33	0.017	4.34
B3-2		4.21	64	62.58	0.016	4.65
B3-3		4.48	67	60.37	0.017	4.49
C1-1	−30	1.40	31	55.49	0.006	2.77
C1-3		2.17	36	55.48	0.009	2.77
C2-1		3.01	46	71.55	0.010	3.57
C2-2		3.03	46	71.63	0.016	3.57
C2-3		3.34	54	72.99	0.014	3.64
C3-1		3.94	58	78.06	0.014	3.89
C3-2		4.96	74	80.15	0.017	4.00
C4-1		5.51	83	87.79	0.025	4.38