Coupling Effect of Eccentricity and Slenderness Ratios on RCFST Column Instability Modes

Table 1

Parameters of 32 RCFST columns.

No.	Specimen	L (mm)	λ	γ	Pu1 (kN)	Pu2 (kN)	Pucal (kN)	Err. (%)	Ref.
1	EC1-1/2	450	10.4	0.13	2114	2130	2300	8.4	[17]
2	EC2-1/2	450	10.4	0.23	1846	1717	1939	8.8	[17]
3	EC3-1/2	450	10.4	0.33	1561	1455	1490	1.2	[17]
4	EC4-1/2	450	10.4	0.43	1265	1244	1324	5.5	[17]
5	LEC1-1/2	1000	23.1	0.13	2097	2200	2142	0.3	[16]
6	LEC2-1/2	1000	23.1	0.23	1679	1660	1780	6.6	[16]
7	LEC3-1/2	1000	23.1	0.33	1360	1413	1331	4	[16]
8	LEC4-1/2	1000	23.1	0.43	1176	1121	1090	5.1	[16]
9	LEC5-1/2	1500	34.6	0.13	2012	2113	2015	2.3	[16]
10	LEC6-1/2	1500	34.6	0.23	1617	1546	1645	4	[16]
11	LEC7-1/2	1500	34.6	0.33	1319	1310	1301	1	[16]
12	LEC8-1/2	1500	34.6	0.43	1081	1105	1083	0.9	[16]
13	LEC9-1/2	2000	46.2	0.13	1853	1848	1860	0.5	[16]
14	LEC10-1/2	2000	46.2	0.23	1545	1439	1505	0.9	[16]
15	LEC11-1/2	2000	46.2	0.33	1225	1175	1120	6.7	[16]
16	LEC12-1/2	2000	46.2	0.43	982	1004	986	0.7	[16]