Comparison of Mechanical Properties and Sensitivity of Compressive and Flexural Strength of Artificial Frozen Sand

Table 1

Test results of mechanical properties of artificial frozen soil.

Moisture content (%)	Curing temperature (°C)	No.	Compressive strength (MPa)	Mean value (MPa)	No.	Break off strength (MPa)	Mean value (MPa)
12	−10	C1#-1	3.00	3.17	F1#-1	1.05	1.16
		C1#-2	3.23		F1#-2	1.19
		C1#-3	3.27		F1#-3	1.23
	−15	C2#-1	3.06	3.57	F2#-1	1.46	1.63
		C2#-2	3.60		F2#-2	1.69
		C2#-3	4.04		F2#-3	1.75
	−20	C3#-1	3.79	4.24	F3#-1	1.94	2.06
		C3#-2	4.45		F3#-2	2.03
		C3#-3	4.47		F3#-3	2.21
15	−10	C4#-1	5.41	5.50	F4#-1	1.47	1.61
		C4#-2	5.52		F4#-2	1.59
		C4#-3	5.56		F4#-3	1.78
	−15	C5#-1	6.37	6.87	F5#-1	3.49	3.77
		C5#-2	7.04		F5#-2	3.82
		C5#-3	7.21		F5#-3	3.99
	−20	C6#-1	10.37	10.79	F6#-1	5.28	5.65
		C6#-2	10.80		F6#-2	5.73
		C6#-3	11.20		F6#-3	5.95
18	−10	C7#-1	6.02	6.15	F7#-1	2.73	2.84
		C7#-2	6.07		F7#-2	2.82
		C7#-3	6.35		F7#-3	2.97
	−15	C8#-1	8.12	8.27	F8#-1	4.43	4.84
		C8#-2	8.26		F8#-2	4.83
		C8#-3	8.42		F8#-3	5.26
	−20	C9#-1	10.73	10.83	F9#-1	5.90	6.44
		C9#-2	10.83		F9#-2	6.56
		C9#-3	10.92		F9#-3	6.87