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

Table 5

Static modulus test scheme.

Parameter type	Parameter values
Additive	PRM, PRS, RA, and base asphalt
Gradation	HMAC-16, HMAC-20, and HMAC-25
Asphalt	A-70
Aggregate	Limestone
Asphalt-aggregate ratio	Determined by Marshall test
Bulk density	Determined by Marshall test
Temperature	15, 20, and 60°C
Loading rate	2 mm/min
Loading method	First, determine the compressive strength () and then stepping loading
Compressive strength test	Failure load
Compression resilient modulus test	Compression resilient modulus