Advances in Civil Engineering

Research Article

A New Simple Method for the Strength of High-Strength Steel Thin-Walled Box Columns Subjected to Axial Force and Biaxial End Moments

Table 1

Comparison between the experimental and numerical results [16].


No.	Specimen	b/t	h/t	δ_0x/L (×10⁻⁴)	δ_0y/L (×10⁻⁴)	e_x (mm)	e_y (mm)	f_y (N/mm²)	(kN)	(kN)	/

1	X-S-30-85	29.5	29.8	—	0.6	15	0	353	209.99	204.62	1.03
2	XY-S-30-85a	29.5	29.8	1.75	−3.67	5	10	353	224.62	207.84	1.08
3	XY-S-30-85b	29.2	29.2	0.63	0.75	5	5	353	254.37	227.88	1.12
4	X-S-45-57	43.9	44.6	—	0.8	15	0	353	325.30	334.81	0.97
5	XY-S-45-57a	44.2	44.2	3.77	2.14	5	15	353	312.24	330.87	0.94
6	XY-S-45-57b	44.2	44.2	−1.89	−2.33	15	15	353	286.74	306.55	0.94
7	X-S-52-48	52.4	52.4	—	0.88	20	0	353	324.73	317.24	1.02
8	XY-S-52-48a	52.4	52.4	1.89	2.51	15	10	353	338.72	314.20	1.08
9	XY-S-52-48b	52.1	51.8	1.51	1.76	10	10	353	348.63	335.61	1.04
10	Y-S-64-64	64.2	64.2	3.00	—	0	10	268	114.39	117.42	0.97
11	XY-S-64-64a	64.2	63.7	2.33	6.41	10	5	268	108.18	115.63	0.94
12	XY-S-64-64b	64.8	64.2	4.53	5.03	15	15	268	83.25	88.30	0.94
13	X-S-75-55	75.9	75.9	—	2.77	15	0	268	118.11	124.63	0.95
14	XY-S-75-55a	75.9	75.3	1.89	3.78	15	10	268	109.24	117.73	0.93
15	XY-S-75-55b	75.5	75.3	0.6	1.89	15	15	268	102.63	113.60	0.90
16	Y-S-85-48	86	85.6	−2.76	—	0	20	268	117.66	124.50	0.95
17	XY-S-85-48a	85	86.1	−4.66	4.66	20	10	268	115.30	121.50	0.95
18	XY-S-85-48b	86	85.6	−1.89	−4.41	15	15	268	111.59	120.00	0.93
19	X-R-53-64	40.3	53.7	—	−3.78	19	0	293	261.76	251.57	1.04
20	XY-R-53-64a	39.6	54	3.78	4.28	20	10	293	260.37	237.00	1.10
21	XY-R-53-64b	39.6	54	−4.41	4.41	20	20	293	236.70	237.00	1.00
22	XY-R-53-64c	39.9	53.7	−5.54	−3.15	10	20	293	268.97	264.00	1.02
23	Y-R-53-64	39.9	54	−4.41	−1.25	0	20	293	311.95	314.78	0.99
24	X-R-86-62	70	86.1	—	−2.51	20	0	268	105.21	114.06	0.92
25	XY-R-86-62a	70	86.1	3.96	−4.66	20	10	268	97.14	110.85	0.88
26	XY-R-86-62b	70	86.1	−2.93	4.09	20	20	268	93.72	109.21	0.86
27	XY-R-86-62c	70	86.1	2.52	3.78	10	20	268	102.72	115.50	0.89
28	Y-R-86-62	70	86.1	−4.66	2.67	0	20	268	114.52	123.00	0.93
Average											0.97
Standard deviation (%)											6.8