Utilizing Coal Bottom Ash from Thermal Power Plants in Vietnam as Partial Replacement of Aggregates in Concrete Pavement

Table 2

The physical properties of An Khanh CBA, Cao Ngan CBA, PCB 40 cement, and fine and coarse aggregates.

Physical properties	Value
	An Khanh CBA	Cao Ngan CBA	Fine aggregates	Coarse aggregates	Cement
Specific gravity	2.48	2.52	2.66	2.66	3.10
Unit weight (kg/m^3)	1489	1365	1325	1370	1300
Fineness modulus	2.62	2.01	2.50
Content of dust, mud in aggregates (%)	10.40	20.70
Water content (%)	2.13	7.15
Porosity (%)				51.10
Compressive strength at 28 days curing (MPa)					40