Properties of Direct Coal Liquefaction Residue Modified Asphalt Mixture

Table 4

Properties of coarse and fine aggregates.

(a)

Properties of coarse aggregate	4.75–9.5 mm	9.5–20 mm	Spec.
Apparent specific gravity/(g/cm^3)	2.80	2.85	2.60
Gross volume relative density/(g/cm^3)	2.71	2.76	—
Wear loss in Los Angeles/%	—	17.8	28
Washing < 0.075 m particle content/%	0.1	0.2	1

(b)

Properties of fine aggregate	Test results	Spec.
Apparent specific gravity/(g/cm^3)	2.78	2.60
Bulk relative specific gravity/(g/cm^3)	2.68	—
Angularity/s	43.2	30
Sand equivalent/%	65.0	60