Finite element modelling of cyclic behaviour of cold-formed steel bolted moment-resisting connections

Peter Foster, Gasser Abdelal, James B. P. Lim, Mohammad Hajsadeghi, Daniel McCrum

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Abstract

This paper investigates the accuracy of new finite element modelling approaches to predict the behaviour of bolted moment-connections between cold-formed steel members, formed by using brackets bolted to the webs of the section, under low cycle fatigue. ABAQUS software is used as a modelling platform. Such joints are used for portal frames and potentially have good seismic resisting capabilities, which is important for construction in developing countries. The modelling implications of a two-dimensional beam element model, a three-dimensional shell element model and a three-dimensional solid element model are reported. Quantitative and qualitative results indicate that the three-dimensional quadratic S8R shell element model most accurately predicts the hysteretic behaviour and energy dissipation capacity of the connection when compared to the test results.
Original languageEnglish
Pages (from-to)167-180
Number of pages17
JournalJournal of Construction in Developing Countries
Volume21
Issue number1
Early online date31 Jul 2016
DOIs
Publication statusPublished - 2016

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