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Title: Analytical and experimental studies of dragging hall anchors through rock berm
Authors: Yan, Shuwang
Guo, Bingchuan
Sun, Liqiang
Guo, Wei
Lei, Zhenming
Keywords: DRNTU::Engineering::Civil engineering::Water resources
Anchor dragging
Rock berm
Issue Date: 2015
Source: Yan, S., Guo, B., Sun, L., Guo, W.,& Lei, Z. (2015). Analytical and experimental studies of dragging hall anchors through rock berm. Ocean Engineering, 108, 529-538.
Series/Report no.: Ocean Engineering
Abstract: An analytical method is proposed in this paper to calculate the maximum embedded depth of a dragged Hall anchor when passing through rock berm and to thus define a minimum buried depth of pipelines in rock berm to prevent pipelines from being damaged by dragging anchors. The movement of a Hall anchor in rock berm is interpreted based on the equilibrium conditions for resisting and driving moments acting on the anchor. To verify the accuracy of the proposed analytical method, model tests were carried out by using three scaled Hall anchor models and dragging them through rock berm. The comparisons between the two studies show that the average value of their differences for the stable embedded depth of a Hall anchor in sand and in rock berm are only 1.7% and 2.7%, respectively. The good agreements indicate that the proposed method is accurate enough to calculate the minimum buried depth of pipeline in rock berm during pipeline design.
ISSN: 0029-8018
DOI: 10.1016/j.oceaneng.2015.08.031
Schools: School of Civil and Environmental Engineering 
Rights: © 2015 Elsevier Ltd. This is the author created version of a work that has been peer reviewed and accepted for publication by Ocean Engineering, Elsevier. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [].
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:CEE Journal Articles

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