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

Table 3

Uniaxial compression experimental results of semirigid base material under the temperature range of 20°C∼60°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	17.43	16.06	15.42	16.3	1.03	6.3
6	12.84	13.15	15.31	13.77	1.35	9.77
9	11.72	13.21	15.63	13.52	1.97	14.6
12	10.88	11.67	13.91	12.15	1.57	12.93
15	11.94	9.55	10.22	10.57	1.23	11.66