Optical Characterization of Asphalt Binders Containing Wax Additives

Table 3

Physical and rheological properties of the WMA binders.

Parameters	Warm mix asphalt binders
	PG 64-22			PMA			CRM
	C	L	S	C	L	S	C	L	S
Unaged
Viscosity
135°C (cP)	531	480	459	3244	2994	2765	1112	1008	1000
120°C (cP)	1207	1089	1045	7658	6853	6639	2680	2127	2137
Rutting
G/sin δ (kPa)	1.30	1.80	1.90	5.90	6.00	6.50	2.68	3.90	3.11
RTFO
Rutting
G/sin δ (kPa)	2.50	3.60	3.60	13.40	13.50	14.50	6.11	7.44	7.89
MSCR
Jnr	4.97	5.81	4.48	0.48	0.64	0.29	7.54	7.56	2.89
%Rec	0.8	0.9	1.17	73.27	66.80	76.87	1.00	1.37	8.83
RTFO + PAV
Cracking
Gsin δ (kPa)	2550	2270	2987	3650	2650	4653	1480	1175	1965
Stiffness (MPa)	287	269	333	285	265	319	194	189	202
m-value	0.307	0.321	0.289	0.297	0.305	0.273	0.276	0.292	0.262

C : Control; L : LEADCAP; and S : Sasobit.