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RESEARCH PAPERS

On the Lateral Instability of Precurved Pipelines

[+] Author and Article Information
F. Angrilli, S. Bergamaschi

Institute of Applied Mechanics, Padua University, Padua, Italy

J. Energy Resour. Technol 102(3), 123-128 (Sep 01, 1980) (6 pages) doi:10.1115/1.3227861 History: Received May 05, 1980; Online October 22, 2009

Abstract

Pipelines curved on the stinger may buckle laterally in the sagbend region. The critical values of the residual curvature which causes instability are evaluated by direct integration of the equilibrium-departure equations. It is shown that the layout of two pipes, laterally coupled, decreases the instability field of the system.

Copyright © 1980 by ASME
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