Mechanism Study on the Axial Compressive Performance of Short Square CFST Columns with Different Stiffeners
Table 2
Limit load and corresponding displacement of specimen.
Specimen number
SCA-1
SCA-2
SCA-3
Ultimate load (kN)
6100
5089
8619
Corresponding displacement (mm)
4.95
3.77
4.2
Specimen number
SCB-1
SCB-2
SCB-3
Ultimate load (kN)
7793
6111
10997
Corresponding displacement (mm)
5.45
4.09
6.81
Load increment 1 (%)
1693 (27.8)
1022 (20.1)
2378 (27.6)
Displacement increment 1 (%)
0.5 (10.1)
0.32 (8.5)
2.61 (62.1)
Specimen number
SCC-1
SCC-2
SCC-3
Ultimate load (kN)
7088
5969
10096
Corresponding displacement (mm)
6.53
4.2
7.76
Load increment 2 (%)
988(16.2)
880 (17.3)
1477 (17.1)
Displacement increment 2 (%)
1.58 (31.9%)
0.43 (11.4)
3.56 (84.8)
Note. The increment 1 was variation of B short columns relative to A short columns. The increment 2 was variation of C short columns relative to A short columns.
