Experimental Study on Macro-Mesoscopic Components and Indexes of Buton Gilsonite-Modified Asphalt

Table 1

Experimental scheme of gilsonite and SK90^# asphalt.

	Project	Technical indicators	Unit	The National Standard for SK90^# Asphalt
Performance testing	High-temperature stabilization performance	Softening point	(°C)	Not less than 42
	Low-temperature stabilization performance	Ductility (10°C, cm)	cm	Not less than 15
	Antiaging properties	Penetration (25°C, 5 s, 100 g)	0.1 mm	80∼100
	Project	Test method
Microscopic mechanism test	Component analysis	Four-component analysis; Thermogravimetric test; Infrared spectroscopy
	Mesoscopic analysis	SEM electroscope scanning test