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Limit analysis of the undrained bearing capacity of offshore pipelines

Abstract:

The ultimate bearing capacity of a rigid, plane-strain pipe segment embedded in undrained clay is studied using numerical limit analysis. The pipe is considered to be 'wished in place' at invert penetrations ranging from zero to five pipe diameters, thus providing coverage of both on-bottom (partially embedded) and trenched (fully embedded) offshore pipelines. The soil is modelled as a rigid-plastic Tresca material with either uniform strength or strength proportional to depth. The effects of...

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Publication status:
Published

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Publisher copy:
10.1680/geot.12.OG.016

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Institution:
University of Oxford
Department:
Oxford, MPLS, Engineering Science, Civil Engineering
Role:
Author
Journal:
GEOTECHNIQUE
Volume:
62
Issue:
9
Pages:
847-863
Publication date:
2012-09-05
DOI:
EISSN:
1751-7656
ISSN:
0016-8505
URN:
uuid:3e724259-55e3-47bb-b2b8-bf567bdfe170
Source identifiers:
325131
Local pid:
pubs:325131

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