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Field testing of a reduced scale dynamically embedded plate anchor

Field testing of a reduced scale dynamically embedded plate anchor
Field testing of a reduced scale dynamically embedded plate anchor
The dynamically embedded plate anchor (DEPLA) is a rocket-shaped anchor that penetrates to a target depth in the seabed by using kinetic energy obtained through free fall and by the anchor’s self-weight. After embedment, the central shaft is retrieved leaving the anchor flukes vertically embedded in the seabed. The flukes constitute the load bearing element as a plate anchor. This paper presents initial field data from a series of tests using a 1:20 reduced scale anchor in a lake underlain by very soft clay. Results indicate that the DEPLA exhibits similar behaviour to other dynamically installed anchors during installation, but with much higher capacities, up to 27 times the dry weight of the anchor.
621-628
Blake, A.P.
e0438bea-cfc4-4373-b100-8b9768ddc56f
O'Loughlin, C.
098ddcbf-861b-4731-b8e1-58206656dcc0
Blake, A.P.
e0438bea-cfc4-4373-b100-8b9768ddc56f
O'Loughlin, C.
098ddcbf-861b-4731-b8e1-58206656dcc0

Blake, A.P. and O'Loughlin, C. (2012) Field testing of a reduced scale dynamically embedded plate anchor. Offshore Site Investigation and Geotechnics: Integrated Technologies - Present and Future, United Kingdom. 12 - 14 Sep 2012. pp. 621-628 .

Record type: Conference or Workshop Item (Paper)

Abstract

The dynamically embedded plate anchor (DEPLA) is a rocket-shaped anchor that penetrates to a target depth in the seabed by using kinetic energy obtained through free fall and by the anchor’s self-weight. After embedment, the central shaft is retrieved leaving the anchor flukes vertically embedded in the seabed. The flukes constitute the load bearing element as a plate anchor. This paper presents initial field data from a series of tests using a 1:20 reduced scale anchor in a lake underlain by very soft clay. Results indicate that the DEPLA exhibits similar behaviour to other dynamically installed anchors during installation, but with much higher capacities, up to 27 times the dry weight of the anchor.

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More information

Published date: 12 September 2012
Venue - Dates: Offshore Site Investigation and Geotechnics: Integrated Technologies - Present and Future, United Kingdom, 2012-09-12 - 2012-09-14
Organisations: Faculty of Engineering and the Environment

Identifiers

Local EPrints ID: 403630
URI: https://eprints.soton.ac.uk/id/eprint/403630
PURE UUID: ab6ba79a-0f36-4f93-87d2-33394bac4c63

Catalogue record

Date deposited: 06 Dec 2016 14:38
Last modified: 14 Feb 2019 17:30

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Contributors

Author: A.P. Blake
Author: C. O'Loughlin

University divisions

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