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

Table 6

Experimental results of dynamic modulus of semirigid base material under the temperature range of 20°C∼60°C.

Number of cycles	Parallel modulus test value (MPa)			Modulus representative value (MPa)	Standard deviation	Coefficient of variation (%)
0	8601	9361	10375	9445	889.91	9.42
3	8693	6440	7520	7551	1126.77	14.92
6	3585	4405	3468	3820	510.55	13.37
9	3165	2841	3468	3158	313.46	9.93
12	4774	4785	6300	5286	877.93	16.61
15	3548	4911	4758	4406	746.86	16.65