Study on Mechanical Behavior of Aging Asphalt Based on Composite Regeneration and Modification

Table 10

Indexes of first modification and then regeneration of aging asphalt.

Type	Penetration/0.1mm	Ductility/cm	Softening point (°C)	Viscosity/135°C/Pa·s
	25°C	5°C
90# original asphalt	93	9.0	44.5	0.328
Aging asphalt (5 h)	60	4.2	49.7	0.407
Modified asphalt (9%) (5 h)	33	29.5	54.7	0.775
Regenerating modified asphalt (2.5%) (5 h)	60	31.0	51.9	0.645
90# original asphalt	93	9.0	44.5	0.328
Aging asphalt (20 h)	27	3.9	55.6	0.760
Modified asphalt (18%) (20 h)	19	24.1	60.9	1.070
Regenerating modified asphalt (6%) (20 h)	54	28.1	52.7	0.660