Exploring the Design Space Governing the Lateral Buckle Capacity of Subsea Pipelines
Publication: Journal of Pipeline Systems Engineering and Practice
Volume 10, Issue 1
Abstract
Three analytical methods are used to evaluate the lateral buckle capacity of perfectly straight pipelines supported by a seafloor foundation: the beam-on-elastic-foundation method, the Kerr thermal buckling method, and the Rayleigh-Ritz method. These analytical methods and a numerical finite element method including the pipeline out-of-straightness characteristics are used to investigate the design space for pipeline buckling through deterministic and Monte Carlo investigations of a typical condition. A regression model is fitted to finite element results and then used to predict responses for other general conditions. Characteristics of observed pipeline out-of-straightness are described and their influence on its buckle capacity is examined. Bounds to the expected pipeline buckle capacity may be established using the four analysis methods.
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Published In
Journal of Pipeline Systems Engineering and Practice
Volume 10 • Issue 1 • February 2019
Copyright
©2018 American Society of Civil Engineers.
History
Received: Nov 28, 2017
Accepted: Jul 10, 2018
Published online: Nov 21, 2018
Published in print: Feb 1, 2019
Discussion open until: Apr 21, 2019
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