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Civil-Comp Proceedings
ISSN 1759-3433 CCP: 18
DEVELOPMENTS IN STRUCTURAL ENGINEERING COMPUTING Edited by: B.H.V. Topping
Paper VIII.1
Stability Analysis of Frames with Flexible Connections by Transfer Matrices E.S. Kameshki* and S. Syngellakis+
*Department of Civil & Architectural Engineering, University of Bahrain
Full Bibliographic Reference for this paper
E.S. Kameshki, S. Syngellakis, "Stability Analysis of Frames with Flexible Connections by Transfer Matrices", in B.H.V. Topping, (Editor), "Developments in Structural Engineering Computing", Civil-Comp Press, Edinburgh, UK, pp 289-296, 1993. doi:10.4203/ccp.18.8.1
Abstract
The stability of flexibly connected unbraced
frames is studied using a transfer matrix
formulation which incorporates modified girder
stiffness to account for both rotational
connection deformation and the finite width of
columns. In the case of linear modelling of
connection flexibility, a direct iterative method
yields the critical load. Empirical models for
moment-rotation relations, developed from
experimental data, are incorporated into a second
numerical algorithm based on an incremental
approach with the connection represented as a nonlinear
rotational spring. The analyses and the
computer code are systematically tested for
accuracy and efficiency through comparison of
their predictions with previously published
results. Parametric studies give a clear
indication of the effect of connection geometry
and material behaviour on the critical load and
sway deflection at working load.
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