Influence of Red Mud Proportion on Circular Concrete-Filled Steel Tubular Short Columns

Table 2

Red mud chemical composition.

	Al2O3	Na2Ok	Fe2O3	SiO2	TiO2	CaO	CO2	H2O	H2O	Loss	PH	Density (g.cm^−3)
%	23.73	7.39	28.79	24.63	2.22	2.69	0.97	8.59	1	14.94	11.3	3.2