Research Article

A Study on the Effect of Hollow Tubular Flange Sections on the Behavior of Cold-Formed Steel Built-Up Beams

Table 3

Comparison of results.

SpecimenUltimate load (kN)MEXP/MANSYSMEXP/MDSMMANSYS/MDSMFailure mode
MEXPMANSYSMDSM

200 USW14.7415.789.790.931.511.61FLB + GB
250 USW12.9914.3510.920.911.191.31FLB + GB
300 USW9.689.9811.960.970.810.83WLB + GB
200 SW8.969.516.280.941.431.51FLB + GB
250 SW10.7810.157.831.061.381.30FLB + GB
300 SW11.1411.628.700.961.281.34WLB + GB

FLB: flange local buckling; WLB: web local buckling; and GB: global buckling.