Effect of Red Mud on the Corrosion of Reinforced Concrete Studied by Electrochemical Impedance Spectroscopy

Table 1

Chemical composition of red mud estimated by XRF.

Component	Al2O3	Fe2O3	Na2O	CaO	SiO2	K2O	MnO	TiO2	Others	LOI^a
Content (wt.%)	19.87	19.85	7.35	4.61	14.34	1.87	0.21	2.66	1.01	27.20

^aLOI = loss of ignition.