Design and Experimental Verification of Asphalt-Based Material for Grouting of Prestressed Structure

Table 9

Properties of asphalt mixture with different ratios of BRA.

Content	Unit	Ratio (BRA)
		0%	5%	10%	15%	20%
Penetration (25°C)	0.1 mm	69.5	66.8	62.9	54.2	48.3
Ductility (15°C)	cm	427	360	230	110	30.6
Viscosity (135°C)	Pa·s	0.33	0.41	0.47	0.65	0.75
Softening point	°C	47.3	49.5	51.1	54.5	55.6