Studying Engineering Characteristics of Asphalt Binder and Mixture Modified by Nanosilica and Estimating Their Correlations

Table 2

Properties of used aggregates.

Properties	Method	Requirement	Values
Coarse aggregate
Los Angeles abrasion (%)	AASHTO T96	30 max.	20
Water absorption (%)	AASHTO T85	5 max.	0.8
Bulk specific density (g/cm^3)	AASHTO T85	—	2.654
Flat and elongated (3–1) (%)	ASTM D4791	20 max.	12
Soundness (sodium sulfate) (%)	AASHTO T104	15 max.	4.8
Crushed content (one face) (%)	ASTM D5821	100 min.	100
Crushed content (two faces)	ASTM D5821	90 min.	100
Fine aggregate
Water absorption (%)	AASHTO T84	—	1.4
Bulk specific density (g/cm^3)	AASHTO T84	—	2.617
Mineral filler
Bulk specific density (g/cm^3)	AASHTO T84	—	2.702