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

Table 4

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

Example number	Distortional buckling critical moment /kN·m
	ANSYS	Williams	Goltermann	Svensson
1	1868.6	1838.8	1971.4	2665.4	1925.2
2	1726.4	1680.5	1774.0	2436.7	1735.8
3	1590.9	1528.8	1621.3	2216.2	1597.4
4	659.9	632.7	713.2	1107.2	703.15
5	586.6	550.6	605.6	963.3	601.56
6	525.7	484.6	535.7	848.1	538.84
7	6125.2	5530.4	6144.4	6897.2	6353.4
8	5523.5	4945.5	5438.7	6167.4	5607.5
9	5060.4	4435.0	4923.2	5531.0	5119.1
10	55.183	59.346	61.236	86.0	56.167
11	51.574	51.935	53.366	75.3	49.469
12	46.366	46.184	47.412	67.0	44.224
13	131.762	170.748	181.683	247.6	133.61
14	129.117	147.906	150.336	214.4	129.98
15	127.803	131.099	134.420	190.1	124.08