Behavior of Piggy-Backed Drag Embedment Anchors in Marine Soils

AbstractThis paper summarizes the analytical and experimental results of piggy-backed drag embedment anchors composed of two drag embedment anchors. Drag embedment tests with piggy-backed drag embedment anchors were performed with the spacing between the two anchors at 5.4 fluke length. The experime...

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Published in:Journal of geotechnical and geoenvironmental engineering 2022-01, Vol.148 (1)
Main Authors: Lai, Ying, Huang, Yunhan, Gilbert, Robert B, Aubeny, Charles P
Format: Article
Language:English
Subjects:
Anchors
Aquatic soils
Capacity
Drag
Embedment
Mathematical models
Prediction models
Soil
Technical Papers
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cited_by cdi_FETCH-LOGICAL-a337t-d21af161841b61b3094356f01dad40e804f9879b790b3617d76d36777595a2223
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description AbstractThis paper summarizes the analytical and experimental results of piggy-backed drag embedment anchors composed of two drag embedment anchors. Drag embedment tests with piggy-backed drag embedment anchors were performed with the spacing between the two anchors at 5.4 fluke length. The experimental results provide a validation of analytical model. The study reveals that: (1) the calibrated piggy-backed prediction model can predict the capacity, trajectory, and pitch of the front and back anchor in the piggy-backed configuration, and (2) the total capacity of the piggy-backed drag embedment anchors can be greater than twice the capacity of an individual anchor because the piggy-back arrangement forces the front anchor to mobilize more rotational resistance than when it is free to rotate as an individual anchor.
doi_str_mv 10.1061/(ASCE)GT.1943-5606.0002713
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source ASCE美国土木工程师学会电子期刊和会议录
subjects Anchors
Aquatic soils
Capacity
Drag
Embedment
Mathematical models
Prediction models
Soil
Technical Papers
title Behavior of Piggy-Backed Drag Embedment Anchors in Marine Soils
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