Effect of Warm-Mix Agent EC-120 on Performance of Asphalt Binder and Its Microscopic Mechanism

Table 1

Technical indexes of ESSO A-70 matrix asphalt.

Technical indexes	Unit	Results	Specification
Penetration (25°C, 5 s, 100 g)	0.1 mm	67	60–80
Softening point	°C	47.5	≥47
Ductility @15°C	cm	>100	≥100
Relative density @25°C		1.043	Measured
After TFOT
Mass changes	%	0.1	±0.8
Residual penetration ratio (25°C, 5 s, 100 g)	%	65.2	≥63
Residual ductility (5°C, 5 cm/min)	cm	6.8	≥6