Effects of drainage on the response of a sliding subsea foundation
Effects of drainage on the response of a sliding subsea foundation
This paper investigates the effects of drainage on the performance of a sliding foundation as support to subsea pipeline infrastructure.A centrifuge test involving a sliding foundation on soft clay submitted to cycles of periodic monotonic undrained and drained sliding is presented.The results highlight the rise in sliding resistance under undrained conditions through cycles of sliding and intervening consolidation. The undrained resistance converges towards the drained value. Slow drained cycles encounter additional shearing resistance mobilised by ploughing of a drained soil berm ahead of the foundation.
777-782
Cocjin, M. L.
42ee9efc-8d8a-4330-ae75-00665def8fd3
Gourvenec, S. M.
6ff91ad8-1a91-42fe-a3f4-1b5d6f5ce0b8
White, D. J.
a986033d-d26d-4419-a3f3-20dc54efce93
Randolph, M. F.
75caa33a-e630-4ae8-84cd-758797bf9633
2015
Cocjin, M. L.
42ee9efc-8d8a-4330-ae75-00665def8fd3
Gourvenec, S. M.
6ff91ad8-1a91-42fe-a3f4-1b5d6f5ce0b8
White, D. J.
a986033d-d26d-4419-a3f3-20dc54efce93
Randolph, M. F.
75caa33a-e630-4ae8-84cd-758797bf9633
Cocjin, M. L., Gourvenec, S. M., White, D. J. and Randolph, M. F.
(2015)
Effects of drainage on the response of a sliding subsea foundation.
In Frontiers in Offshore Geotechnics III - 3rd International Symposium on Frontiers in Offshore Geotechnics, ISFOG 2015.
CRC Press / Balkema.
.
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Conference or Workshop Item
(Paper)
Abstract
This paper investigates the effects of drainage on the performance of a sliding foundation as support to subsea pipeline infrastructure.A centrifuge test involving a sliding foundation on soft clay submitted to cycles of periodic monotonic undrained and drained sliding is presented.The results highlight the rise in sliding resistance under undrained conditions through cycles of sliding and intervening consolidation. The undrained resistance converges towards the drained value. Slow drained cycles encounter additional shearing resistance mobilised by ploughing of a drained soil berm ahead of the foundation.
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Published date: 2015
Venue - Dates:
3rd International Symposium on Frontiers in Offshore Geotechnics, , Oslo, Norway, 2015-06-09 - 2015-06-11
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Local EPrints ID: 414536
URI: http://eprints.soton.ac.uk/id/eprint/414536
PURE UUID: c7f18a5a-613a-492d-8ffb-72e0ad7f97a4
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Date deposited: 03 Oct 2017 16:31
Last modified: 09 Jan 2022 03:59
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Contributors
Author:
M. L. Cocjin
Author:
M. F. Randolph
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