Asymmetrical Buckling of Prestressed Tapered Arches
Publication: Journal of Engineering Mechanics
Volume 115, Issue 9
Abstract
Prestressed arches with different cross‐sectional forms (tapered and prismatic) are investigated by formulating the problem as a two‐point nonlinear boundary‐value problem. The arches are subjected to a constant live load and the intensity of structural self‐weight is increased to determine symmetric and asymmetric limit loads, bifurcation points and postbuckling equilibrium paths. The investigation uses an algorithm based on a shooting method to solve the system of governing coupled nonlinear differential equations. It is shown that symmetric limit loads of tapered‐out arches with tapering angle and asymmetric limit loads of tapered‐in arches are higher than their equivalent prismatic arches. Also for tapered‐in arches with asymmetric buckling does hot occur with symmetry being the controlling behavior.
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Information & Authors
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Published In
Journal of Engineering Mechanics
Volume 115 • Issue 9 • September 1989
Pages: 2020 - 2034
Copyright
Copyright © 1989 ASCE.
History
Published online: Sep 1, 1989
Published in print: Sep 1989
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