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Civil-Comp Proceedings
ISSN 1759-3433 CCP: 56
ADVANCES IN CIVIL AND STRUCTURAL ENGINEERING COMPUTING FOR PRACTICE Edited by: B.H.V. Topping
Paper IV.4
On the Finite Element Modelling of RHS Gap K-Joints: Parametric Analysis T. Gavrielides, D. Vyzoviti, E.S. Mistakidis, C.C. Baniotopoulos and K. Thomopoulos
Institute for Steel Structures, Department of Civil Engineering, Aristotle University of Thessaloniki, Greece T. Gavrielides, D. Vyzoviti, E.S. Mistakidis, C.C. Baniotopoulos, K. Thomopoulos, "On the Finite Element Modelling of RHS Gap K-Joints: Parametric Analysis", in B.H.V. Topping, (Editor), "Advances in Civil and Structural Engineering Computing for Practice", Civil-Comp Press, Edinburgh, UK, pp 105-116, 1998. doi:10.4203/ccp.56.4.4
Abstract
The behavior of rectangular hollow section (RHS) gap K-joints,
and especially of square hollow section (SHS) ones
under axial static loads is studied in this paper, focusing on
the parameters that strongly influence their design strength
and the crucial mode of failure. The analysis was carried out
with the MARC finite element (F.E) program. Sixteen three
dimensional F.E models were studied, concerning the stress
and plastic strain distribution due to the gradual application of
axial loads at the brace members. The parametric analysis is
based on the variation of the chord width and wall thickness,
against a constant brace width and wall thickness. The
numerical simulation yielded the expected deformation shape
and the load capacities were compared to the calculated
design strength according to the EC3-Annex K, resulting in
an acceptable differences between them.
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