Local Buckling of Tubes in Elastic Continuum
Publication: Journal of Engineering Mechanics
Volume 117, Issue 1
Abstract
A theory for the local buckling of a buried, flexible, perfect tube that utilizes linear buckling theory and an elastic continuum model for the ground is developed, with only radially inward displacement permitted. Comparisons are made with the Winkler spring support model for local buckling and multiwave solutions of both Winkler and continuum support. It is evident that the accuracy of predictions depends upon the knowledge of the localized behavior of the surrounding soil. In this solution the spring constant is taken as a function of the mode number in buckling. A graphical procedure for solving for the eigenvalues is presented. The solution represents an upper bound on local buckling of buried flexible tubes that may also be affected by imperfections in geometry and residual internal stresses.
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References
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Timoshenko, S., and Goodier, J. N. (1951). Theory of elasticity, Second Ed., McGraw‐Hill Book Co., New York, N.Y., 116, 55–60.
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Moore, J. D. (1989). “Elastic buckling of buried flexible tubes—A review of theory and experiment.” J. Geotech. Engrg., ASCE, 115(3), 340–358.
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Cheney, J. A. (1989). Discussion of “Elastic buckling of buried flexible tubes—A review of theory and experiment.” by J. D. Moore, J. Geotech. Engrg., 115(3), ASCE (in press).
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Information & Authors
Information
Published In
Journal of Engineering Mechanics
Volume 117 • Issue 1 • January 1991
Pages: 205 - 216
Copyright
Copyright © 1991 ASCE.
History
Published online: Jan 1, 1991
Published in print: Jan 1991
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