Rheological Properties and Microscopic Characterization of Delayed Decay-Modified Asphalt Based on UV Ageing

Table 1

Physical property of 70# binder.

Physical property	Indices value	Specification
Softening point (°C)	49.2	>43
Penetration (0.1 mm)	70.3	60∼80
10°C ductility (cm)	26.5	>15