Abstract
AbstractThis paper explores an alternative for strengthening shear‐deficient beams by fixing cold‐formed stiffeners with non‐welded joints at buckling‐prone regions. The usage of welds may not be suitable in slender beams as it introduces residual stresses and local distortion on the web. The cold‐formed stiffeners are disposed in diagonal orientation and its corrugate‐shaped geometry with high moment of inertia improves the out‐of‐plane stiffness of the beam web. The assessment of this method was performed in an experimental campaign which included three‐point bending tests of four beams. In two specimens, the cold‐formed stiffeners were fixed on the web by means of hybrid bonded‐bolted joints. Additionally, two control specimens were tested: a beam without diagonal stiffeners and a beam with diagonal welded‐steel plate.
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