A simplified method to determine shear stiffness of thin walled cold formed steel storage rack frames

Publication Type:
Journal Article
Journal of Constructional Steel Research, 2017, 138 pp. 799 - 805
Issue Date:
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© 2017 Elsevier Ltd The shear stiffness of braced frames of thin-walled cold-formed steel storage racks was experimentally and numerically investigated in order to establish the effect of connection flexibility on the accuracy of different analysis methods. The analyses which included a detailed 3D Finite Element model, a 2D frame analysis with beam elements and a simple hand calculation indicated significant variation of results compared with experimental values. A simplified modelling approach for 2D elastic analysis of braced frames was proposed. The approach is aimed at practical applications to account for the flexibility in bolted connections and leads to better approximation of the shear stiffness.
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