Local and Global Interactive Buckling Capacity of Thin-Walled Box-Section Members of BS700 High-Strength Steel under Axial Compression

Table 4

Buckling test results of BS700 HSS groove butt welding box-section members.

Specimen	Length L0 (mm)	Calculated length L (mm)	Width-thickness ratio (B/t)	Height-thickness ratio (H/t)	Bearing capacity Put (kN)
LC1	996.3	1156.3	35.5	35.7	700.9
LC2	1398.4	1558.4	35.0	35.0	692.1
LC3	1798.5	1958.5	36.1	35.2	672.6
LC4	2198.2	2358.2	33.0	33.0	609.8
LC5	2600.5	2760.5	32.5	32.9	490.2
LC6	1097.5	1257.5	25.9	36.2	612.1
LC7	1398.6	1558.6	24.6	34.2	604.1
LC8	1597.4	1757.4	24.1	33.4	483.2
LC9	2199.7	2359.7	23.9	33.4	367.2
LC10	2796.6	2956.6	23.3	32.7	238.6