Effect of Crumb Rubber on the Moisture and Rutting Behavior of Low-Energy Asphalt and Determining the Best Flow Number Model

Table 11

Results of between-sample variability.

Sample	Three-stage model		Fnest model		Francken model
	207 (kPa)	310 (kPa)	207 (kPa)	310 (kPa)	207 (kPa)	310 (kPa)
HMA	2842	1309	2333	631	2362	943
LEA	1006	427	1007	259	958	328
LEA10	3802	2143	2849	1384	2932	1465
LEA15	6610	3016	4906	2102	4546	2182
LEA20	1804	754	1529	531	1708	553
STD	2173	1055	1509	753	1360	746
AVE	3213	1530	2525	981	2501	1094
CV (%)	68	69	60	77	54	68

Note. CV was obtained by dividing the standard deviation (STD) by the average (AVE).