Advances in Civil Engineering

Research Article

Eccentric Compression Performance of Core-Steel Tube with T-Shaped Steel Reinforced Concrete Column

Table 3

Comparison between the calculated values (N_cal) and the numerical values (N_num)


Specimens	f_cu/(N/mm²)	f_ys/(N/mm²)	D × t (mm)	α_s (%)	e/B	N_num (kN)	N_cal (kN)	N_cal/N_num

CSTRC-A-1	30	345	250 × 2	4	0.05	6,821.8	6,119.2	0.897
CSTRC-A-2	30	345	250 × 2	4	0.1	5,986.7	5,705.3	0.953
CSTRC-A-3	30	345	250 × 2	4	0.2	4,640.0	4,876.6	1.051
CSTRC-A-4	30	345	250 × 2	4	0.4	2,930.1	3,020.9	1.031
CSTRC-A-5	30	345	250 × 2	4	0.5	2,406.7	2,281.6	0.948
CSTRC-A-6	30	345	250 × 2	4	0.8	1,499.8	1,321.3	0.881
CSTRC-B-1	40	345	250 × 2	4	0.05	8,128.8	7,692.1	0.946
CSTRC-B-2	40	345	250 × 2	4	0.1	7,139.5	6,982.6	0.978
CSTRC-B-3	40	345	250 × 2	4	0.2	5,498.5	5,922.6	1.077
CSTRC-B-4	40	345	250 × 2	4	0.4	3,421.8	3,625.9	1.060
CSTRC-B-5	40	345	250 × 2	4	0.5	2,782.7	2,652.2	0.953
CSTRC-B-6	40	345	250 × 2	4	0.8	1,698.5	1,445.0	0.851
CSTRC-C-1	50	345	250 × 2	4	0.05	9,346.2	9,112.5	0.975
CSTRC-C-2	50	345	250 × 2	4	0.1	8,173.4	8,157.1	0.998
CSTRC-C-3	50	345	250 × 2	4	0.2	6,307.5	6,831.0	1.083
CSTRC-C-4	50	345	250 × 2	4	0.4	3,877.1	4,125.2	1.064
CSTRC-C-5	50	345	250 × 2	4	0.5	3,134.1	2,949.2	0.941
CSTRC-C-6	50	345	250 × 2	4	0.8	1,881.0	1,531.1	0.814
CSTRC-D-1	40	235	250 × 2	4	0.05	7,367.8	7,516.4	1.020
CSTRC-D-2	40	235	250 × 2	4	0.1	6,523.7	6,923.3	1.061
CSTRC-D-3	40	235	250 × 2	4	0.2	5,095.5	5,629.5	1.105
CSTRC-D-4	40	235	250 × 2	4	0.4	3,164.8	3,030.8	0.958
CSTRC-D-5	40	235	250 × 2	4	0.5	2,547.1	2,326.7	0.914
CSTRC-D-6	40	235	250 × 2	4	0.8	1,512.7	1,170.6	0.774
CSTRC-B-1	40	345	250 × 2	4	0.05	8,128.8	7,692.1	0.946
CSTRC-B-2	40	345	250 × 2	4	0.1	7,139.5	6,982.6	0.978
CSTRC-B-3	40	345	250 × 2	4	0.2	5,498.5	5922.6	1.077
CSTRC-B-4	40	345	250 × 2	4	0.4	3,421.8	3,625.9	1.060
CSTRC-B-5	40	345	250 × 2	4	0.5	2,782.7	2,652.2	0.953
CSTRC-B-6	40	345	250 × 2	4	0.8	1,698.5	1,445.0	0.851
CSTRC-E-1	40	420	250 × 2	4	0.05	8,595.8	7,759.3	0.903
CSTRC-E-2	40	420	250 × 2	4	0.1	7,487.9	7,020.3	0.938
CSTRC-E-3	40	420	250 × 2	4	0.2	5,753.7	6,106.2	1.061
CSTRC-E-4	40	420	250 × 2	4	0.4	3,560.1	3,742.3	1.051
CSTRC-E-5	40	420	250 × 2	4	0.5	2,912.7	2,834.1	0.973
CSTRC-E-6	40	420	250 × 2	4	0.8	1,805.1	1,607.0	0.890
CSTRC-B-1	40	345	250 × 2	4	0.05	8,128.8	7,692.1	0.946
CSTRC-B-2	40	345	250 × 2	4	0.1	7,139.5	6,982.6	0.978
CSTRC-B-3	40	345	250 × 2	4	0.2	5,498.5	5,922.6	1.077
CSTRC-B-4	40	345	250 × 2	4	0.4	3,421.8	3,625.9	1.060
CSTRC-B-5	40	345	250 × 2	4	0.5	2,782.7	2,652.2	0.953
CSTRC-B-6	40	345	250 × 2	4	0.8	1,698.5	1,445.0	0.851
CSTRC-F-1	40	345	250 × 3.01	6	0.05	9,037.6	8,529.1	0.944
CSTRC-F-2	40	345	250 × 3.01	6	0.1	7,932.3	8,100.4	1.021
CSTRC-F-3	40	345	250 × 3.01	6	0.2	6,106.5	6,722.2	1.101
CSTRC-F-4	40	345	250 × 3.01	6	0.4	3,842.1	4,137.7	1.077
CSTRC-F-5	40	345	250 × 3.01	6	0.5	3,162.4	3,097.9	0.980
CSTRC-F-6	40	345	250 × 3.01	6	0.8	1,983.0	1,805.7	0.911
CSTRC-G-1	40	345	250 × 4.03	8	0.05	9,932.0	9,288.4	0.935
CSTRC-G-2	40	345	250 × 4.03	8	0.1	8,698.2	9,093.7	1.045
CSTRC-G-3	40	345	250 × 4.03	8	0.2	6,687.0	7,508.4	1.123
CSTRC-G-4	40	345	250 × 4.03	8	0.4	4,242.7	4,627.6	1.091
CSTRC-G-5	40	345	250 × 4.03	8	0.5	3,521.4	3,501.4	0.994
CSTRC-G-6	40	345	250 × 4.03	8	0.8	2,248.0	2,125.0	0.945
Average ratio value								0.982
Coefficient variation								0.080

Note. The slenderness ratio of all specimens is 14.