Study on the Parameter Optimization and Strength Mechanism of Coal Gangue Emulsified Asphalt Mixture

Table 1

Technical index of emulsified asphalt.

Properties	Unit	Test result	Specification [13]
Particle charge	—	Cationic	Cationic
Residue on the 1.18 mm sieve	%	0.076	≤0.1
Wrap ratio with coarse aggregate	—	0.86	≥2/3
Saybolt viscosity (25°C)	S	61	6∼100
Penetration (5 s, 100 g, 25°C)	0.1 mm	79	45∼150
Ductility (15°C)	Cm	74	≥40
Storage stability (1 days, 25°C)	%	0.7	≤1
Storage stability (5 days, 25°C)	%	4.1	≤5