The Stabilization of Weathered Dolerite Aggregates with Cement, Lime, and Lime Fly Ash for Pavement Construction

Table 7

Chemical composition of fly ash as determined by XRF.

Compound name	Concentration in lime (mass %)
SiO2	56.40
Al2O3	37.10
Fe2O3	2.95
CaO	3.69
MgO	1.02
SO3	0.400
Na2O	0.257
K2O	0.826
TiO2	1.61
P2O5	0.525
Trace elements
Zn	0.00855
Ga	0.00546
As	0.00469
Rb	0.00487
Sr	0.0892
Y	0.0134
Zr	0.0364
Ba	0.0810
Pb	0.0116