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Shear Testing of Topologically Optimised Web Cover Plates in Splice Connections – Experiment Design and Results

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Summary:Testing shear-resisting plates in steel connections is one of the most challenging laboratory undertakings in steel construction, as the most common experimental layout design includes simulating the connection with its adjoining members. This significant hindrance gained particular magnitude as the need to test prototypes of topologically optimised shear cover plates became more pressing. Indeed, new code-compliant topology optimisation approaches for steel construction have recently been offered, and physically non-linear analyses have been demonstrated to be vital for assessing these elements. Hence, a rapid and reliable experimental process has become a fundamental necessity. To answer this need, a novel layout is herein proposed, in which topologically optimised and previously numerically examined bolted shear plates of a well-known steel joint were tested. The results allowed for the definition of the material trilinear model for use in subsequent numerical analysis, as well as the validation of the numerical simulation results. The discrepancy between the previously mathematically anticipated and empirically determined ultimate resistance did not exceed 1.7%.
Main Authors:Ribeiro, Tiago
Other Authors:Bernardo, Luís; Nepomuceno, Miguel; Maugeri, Natale Antonio; Longo, Paolo; Domenico, Dario De
Subject:Topology optimisation Splice connection Shear Ultimate capacity Buckling Experimental results
Year:2023
Country:Portugal
Document type:article
Access type:open access
Associated institution:Universidade da Beira Interior
Language:English
Origin:uBibliorum

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