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

Table 12

Fatigue test results at two stress levels.

Specimen	Stress level	Test repetition			Average	SD
		1	2	3
HMA	400	37,556	37,571	37,548	37,558	11.7
	700	5,465	5,460	5,453	5,459	6.0
LEA	400	7,571	7,609	7,593	7,591	19.1
	700	1,537	1,532	1,526	1,532	5.5
LEA + %10 CR	400	17,429	17,454	17,419	17,434	18.0
	700	3,364	3,353	3,347	3,355	8.6
LEA + %15 CR	400	19,731	19,755	19,746	19,744	12.1
	700	3,749	3,745	3,763	3,752	9.5
LEA + %15 CR	400	33,248	33,241	33,237	33,242	5.6
	700	4,965	4,982	4,967	4,971	9.3