Research Article

Distortional Buckling Analysis of Steel-Concrete Composite Girders in Negative Moment Area

Table 3

Critical distortional buckling moment of I-steel composite girder under negative uniform moment.

Example numberDistortional buckling critical moment /kN·m
ANSYSWilliamsGoltermannSvensson

11129.11060.61193.61540.1 1138.3
21212.31148.01234.41664.7 1203.9
31149.71077.01197.11561.7 1155.0

4390.98354.02405.88619.6 404.40
5410.19375.12436.86656.6 421.61
6401.97366.03469.19640.6 414.12

73672.73126.43521.13899.1 3720.0
83836.53390.44014.34228.1 3874.5
93905.13226.84245.44024.2 3932.7

1034.15533.71035.23548.9 32.632
1135.23534.88436.46450.6 33.587
1234.72934.30435.95149.7 33.106

1394.61194.325101.817136.8 89.713
14107.307107.811102.911156.3 101.31
1591.16190.15393.920130.7 86.372