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Title: Alternative paths for determination of minimum burial depth to safegaurd against ice gouging
Category: Papers by Dr Andrew Palmer
Downloadable: Yes 
Catalog No.: AP127
Date of Publication: 1998
Price: $25.00 US
Authors: A C Palmer
Abstract: The designer of a marine pipeline in a shallow sea in the Arctic has to define a trenching depth that will reduce to a very small level the risk of ice gouging damage that will lead to a leak. The logical path to that decision requires the assembly of various kinds of data, all of them with some degree of uncertainty, and complemented by analytical models. The significance of subgouge deformation has now been recognised.

The paper explores different decision paths. The traditional path starts from gouge depth observations, and continues to extreme gouge statistics, which has to be supplemented by some model of subgouge deformation and pipeline response. The paper argues for a more direct path, which starts from subgouge deformation, and considers how that might be accomplished.

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