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The behaviour of unusual composite column sections is difficult to examine owing to their asymmetric geometry. In this study, seven L-shaped columns fabricated using concrete-filled steel tubes connected via double-vertical steel plates (LCFST-D columns) were tested under axial compression. The failure modes, load–deformation relationship, strain distribution, ductility, and strength index of the...
Systematic experimental and analytical studies are presented in this paper on the stability of structural steel tubes and coupler scaffolds without X-bracing (hereinafter referred to as STCS). Twelve full-scale STCS specimens with various geometric properties were constructed and tested statically in the lab, in order to obtain the strength as well as the failure modes of typical STCS’s. Advanced...
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