Performance of Recycled Porous Hot Mix Asphalt with Gilsonite Additive

Table 13

Effect of Gilsonite additive on Marshall characteristic.

Marshall characteristics	Test results at 9% Gilsonite	Specifications	Remarks
VIM	21.2	18%–25%	OK
Stability	761	>500 kg	OK
Flow	5.4	2–6 mm	OK
MQ	144	<400 kg/mm	OK
Permeability	0.327 cm/sec	0.2–0.5 cm/sec	OK