Numerical Modeling of Pipe–Soil Interaction under Oblique Loading
Publication: Journal of Geotechnical and Geoenvironmental Engineering
Volume 131, Issue 2
Abstract
This paper studies pipe–soil interaction for pipelines subjected to combined horizontal and vertical (upward) movements in the oblique direction. An associative, hardening elasto–plasticity model is proposed in the horizontal–vertical load space for pipes buried in clay. The failure surface is proposed based on experimental observations. Involving seven parameters that can be determined either experimentally or based on the recommendations of ASCE guidelines, the proposed approach reproduces the key features of force–displacement responses obtained from continuum finite element analyses for pipes of different sizes and various burial depth ratios.
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Acknowledgments
The writer wishes to acknowledge funding provided by the Natural Science and Engineering Research Council of Canada. He also thanks Dr. R. Phillips, Director of Geotechnical Engineering at C-CORE, and Dr. R. Popescu, Memorial University of Newfoundland, for many enlightening discussions on the physics and numerical modelling of pipe-soil interactions.
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Information & Authors
Information
Published In
Journal of Geotechnical and Geoenvironmental Engineering
Volume 131 • Issue 2 • February 2005
Pages: 260 - 268
Copyright
© 2004 ASCE.
History
Received: Oct 24, 2002
Accepted: Jun 16, 2004
Published online: Feb 1, 2005
Published in print: Feb 2005
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