Evaluation of Rutting, Fatigue, and Moisture Resistance of Low-Energy Asphalt Mixtures Modified by Crumb Rubber

Table 11

Indirect tensile strength test results in the dry and wet conditions.

Specimen	Test repetition	ITSdry (kPa)	SD	Average ITSdry (kPa)	ITSwet (kPa)	SD	Average ITSwet (kPa)	TSR (%)
HMA	1	956	8.89	946	782	3.61	785	83
	2	943			789
	3	939			784
LEA	1	573	3.21	575	361	6.11	368	64
	2	579			369
	3	574			373
LEA + 10% CR	1	721	5.69	726	559	7	567	78
	2	732			573
	3	724			568
LEA + 15% CR	1	839	10.07	848	593	7	594	70
	2	859			588
	3	847			602
LEA + 20% CR	1	799	4.04	795	475	6	477	60
	2	794			484
	3	791			473