Behavior of a Steep Prestressed Arch Made From a Buckled Strut

[+] Author and Article Information
J. V. Huddleston

State University of New York at Buffalo, Buffalo, N. Y.

J. Appl. Mech 37(4), 984-994 (Dec 01, 1970) (11 pages) doi:10.1115/1.3408728 History: Received April 14, 1969; Revised September 10, 1969; Online July 12, 2010


The buckling and snap-through behavior of a steep prestressed arch (or shell) obtained by first buckling a thin elastic strut (or plate) into a deformed shape and then attaching it to its supports is studied by solving a set of nonlinear boundary-value problems on a digital computer. Finite displacements of the arch as produced by vertical concentrated load and uniform load are determined for several cases, including both symmetric and unsymmetric modes of buckling. Bifurcation points that give the snap-through load are located in each case. Comparisons are made with the behavior of conventional steep arches and between the theoretical results and experimental data obtained from model tests.

Copyright © 1970 by ASME
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