Stiffness Analysis of Recycled Self-Compacting Concrete-Filled Circular Steel Tubular Columns under Eccentric Compression

Table 3

Comparison of FE prediction results and test data of specimen.

Specimen	(mm)	(mm)	(kN)	(kN)
RSCSE-1	4.72	5.02	807	819	0.99	0.94
RSCSE-2	5.88	6.02	598	603	0.99	0.98
RSCSE-3	6.02	6.18	450	512	0.88	0.97
RSCSE-4	5.29	5.54	766	776	0.99	0.95
RSCSE-5	6.46	6.76	569	557	1.02	0.96
RSCSE-6	6.45	6.92	433	457	0.95	0.93
RSCSE-7	5.95	6.39	759	761	1.00	0.93
RSCSE-8	6.62	7.02	557	552	1.01	0.94
RSCSE-9	6.71	7.04	425	441	0.96	0.95
RSCSE-10	7.02	7.26	856	893	0.96	0.97
RSCSE-11	9.36	9.97	636	670	0.95	0.94
RSCSE-12	9.28	10.03	478	504	0.95	0.93
RSCSE-13	6.39	6.02	921	898	1.03	1.06
RSCSE-14	6.36	6.26	691	672	1.03	1.02
RSCSE-15	6.21	6.67	539	585	0.92	0.93
Average value	—	—	—	—	0.974	0.960
Mean square error	—	—	—	—	0.042	0.037

Note. represents the predicted value of the ultimate load; denotes the predicted value of deflection.