Laboratory Performance Evaluation of High Modulus Asphalt Concrete Modified with Different Additives

Table 10

Comprehensive evaluating system of HMAC performance.

Evaluation index	HMAC-16, HMAC-20		HMAC-25	Test methods
Dynamic stability (N/mm)	≥8000		≥8000	JTJ T0719
Shear strength (MPa)	15°C	7.5~9.0	7.5~9.0	JTGE40-2007-T0134
	20°C	5.5~7.0	5.5~7.0
	60°C	0.8~1.2	0.8~1.2
Static modulus (MPa)	15°C	2600~3000	2300~2700	ASTM D1074 (rate of 2 mm/min)
	20°C	2000~2400	1800~2200
	60°C	450~650	400~600
Dynamic modulus (MPa)	15°C	18000~23000	16000~20000	AASHTO TP 62-03
	20°C	14000~18000	14000~16000
	60°C	2600~3200	1800~2400