Experimental Study on the Effect of Large Temperature Difference on Compressive Strength and Pore Structure of Semirigid Base

Table 5

Uniaxial compression experimental results of semirigid base material under the temperature range of −5°C∼−30°C.

Number of cycles	Parallel strength test value (MPa)			Intensity representative value (MPa)	Standard deviation	Coefficient of variation (%)
0	10.61	12.82	14.06	12.50	1.75	13.95
3	11.21	9.72	10.13	10.35	1.32	10.98
6	12.37	9.41	12.71	11.50	1.68	15.77
9	12.73	16.00	15.12	14.62	0.14	1.61
12	11.70	14.26	15.61	13.86	0.72	9.55
15	11.69	14.56	14.12	13.46	0.67	10.93