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

Table 4

Parameters of the specimens.

SN	Specimen	L (mm)	D (mm)	ts (mm)	r (%)	fy (MPa)	fcu (MPa)	D (ts)	α	ξs	(kN)
1	CSCA-1	324	108	4.5	0	323.3	36.9	24	0.19	2.488	885.6
2	CSCA-2	324	108	4.5	5	323.3	50.5	24	0.19	1.815	1003.4
3	CSCA-3	324	108	4.5	10	323.3	46.6	24	0.19	1.968	971.8
4	CSCA-4	324	108	4.5	15	323.3	44.0	24	0.19	2.083	948.6
5	CSCA-5	324	108	4.5	20	323.3	34.0	24	0.19	2.700	860.5
6	CSCB-1	400	133	4.5	0	298.9	36.9	29.6	0.15	1.821	1289.6
7	CSCB-2	400	133	4.5	5	298.9	50.5	29.6	0.15	1.328	1403.6
8	CSCB-3	400	133	4.5	10	298.9	46.6	29.6	0.15	1.440	1369.4
9	CSCB-4	400	133	4.5	15	298.9	44.0	29.6	0.15	1.524	1349.2
10	CSCB-5	400	133	4.5	20	298.9	34.0	29.6	0.15	1.976	1265.6
11	CSCC-1	477	159	4.5	0	292.3	36.9	35.3	0.124	1.463	1630.1
12	CSCC-2	477	159	4.5	5	292.3	50.5	35.3	0.124	1.067	1884.5
13	CSCC-3	477	159	4.5	10	292.3	46.6	35.3	0.124	1.157	1812.5
14	CSCC-4	477	159	4.5	15	292.3	44.0	35.3	0.124	1.225	1766.5
15	CSCC-5	477	159	4.5	20	292.3	34.0	35.3	0.124	1.587	1600.0