Dimensionless Analytical Solution and New Design Formula for Lateral-Torsional Buckling of I-Beams under Linear Distributed Moment via Linear Stability Theory

Table 7

Comparison of the results of design formula with those of theory for I-beams under linear distributed moment.

Section		/m							Diff./%
A	1.063	6	1	1	0	0.687	0.687	0.687	0.00
	1.063	6	1	0	0	1.265	1.265	1.255	−0.72
	1.063	6	1	−0.5	0	1.766	1.766	1.737	−1.68
	1.063	6	1	−1	0	1.872	1.872	1.919	2.54
B	0.569	6	0.125	1	−0.322	0.391	0.390	0.391	0.00
	0.569	6	0.125	0	−0.322	0.689	0.689	0.664	0.51
	0.569	6	0.125	−0.5	−0.322	0.908	0.908	0.915	5.43
	0.569	6	0.125	−1	−0.322	1.075	1.075	1.194	11.08
C	0.569	6	8	1	0.322	1.035	1.035	1.035	0.00
	0.569	6	8	0	0.322	1.961	1.961	1.958	−0.19
	0.569	6	8	−0.5	0.322	2.263	2.262	2.286	0.88
	0.569	6	8	−1	0.322	1.126	1.126	1.150	7.00