Potential Use of Volcanic Ash as Filler Material in Hot Mix Asphalt

Table 1

Bitumen quality test results.

Property test	Test method	Result	Specification
Penetration (25°C, 0.1 mm)	AASHTO T-49	65.1	60–70
Ductility (25°C, cm)	AASHTO T-51	108	≥50
Softening point (°C)	AASHTO T-53	47.2	46–56
Specific gravity (25°C)	ASTM D-70	1.018	1.01–1.06
Flash point (°C)	ASTM D-92	320	≥232