Composition and Performance Evaluation of SBS/SBR Modified Emulsified Asphalt for Tack Coat on Airport Pavement

Table 1

Base asphalt technical performance index.

Items	Technical indexes	Results	Standard
Penetration (25°C, 100 g, 5 s)/0.1 mm	60∼80	67	T 0604-2011
Penetration index (PI)	−1.5∼+1.0	−1.31	T 0604-2011
Softening point (°C)	≥46	48.0	T 0606-2011
60°C dynamic viscosity (Pa·s)	≥180	208	T 0620-2000
10°C ductility (cm)	≥50	52.5	T 0605-2011
15°C ductility (cm)	≥100	>100	T 0605-2011