Behavior of High-strength Cold-formed Steel Framing Wall under Axial Compression Loading

An experimental study oil the structural performance of full-scale load-bearing framing walls made of high-strength cold-formed steel frames and panels is presented. Three different types of lipped C-section studs, a total of 6 framing walls with corrugated steel panel sheathed on one side were tested under axial compression loading until failure. The ultimate load-carrying capacity and failure mode of all wall studs were obtained from the test. Overall flexural-distortional buckling is the dominant failure mode for the studs except WS102-1. 00-1, whose failure mode is distortional buckling. Based oil tire test results, the finite element program ANSYS was applied to carry out the finite element nonlinear analysis of the framing walls under axial compression loading, and the analytical results agree well with the test results In order to fully understand the behavior of the framing walls, detailed parametric studies, including board type, screw spacing and seam construction of corrugated steel panel, were analyzed in this paper.