Laboratory Evaluation of Aging Behaviour of SBS Modified Asphalt

Table 1

Main technical indexes of matrix asphalt.

Indexes	Test results	Specification
Penetration (25°C)/0.1 mm	61.3	60~80
Softening point/°C	50.7	≥46
Ductility (15°C)/cm	>100	≥100
TFOT
Quality change/%	−0.214	≤±0.8
Residual penetration ratio (25°C)/%	67.7	≥61
Residual ductility (10°C)/cm	11.1	≥6