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Numerical Modelling of Cyclic Pull-Out Behaviors of Embedded Plate Anchors in Saturated Soft Clay

[+] Author Affiliations
Cun Hu, Fu-ping Gao

Chinese Academy of Sciences, Beijing, China

Paper No. OMAE2014-24422, pp. V003T10A025; 7 pages
  • ASME 2014 33rd International Conference on Ocean, Offshore and Arctic Engineering
  • Volume 3: Offshore Geotechnics
  • San Francisco, California, USA, June 8–13, 2014
  • Conference Sponsors: Ocean, Offshore and Arctic Engineering Division
  • ISBN: 978-0-7918-4541-7
  • Copyright © 2014 by ASME


As a foundation for deep-water floating offshore structures, the embedded plate anchor should withstand the complicated marine conditions involving the cyclic loads. The pull-out behaviors of the embedded plate anchor under cyclic loading must be considered whilst designing. This paper presents a numerical approach for assessing the cyclic pull-out behaviors of the embedded plate anchor based on a recently proposed anisotropic bounding surface plasticity model, which can capture the non-failure stable and degradation characteristics of saturated soft clay under cyclic loading with different stress-levels. The pull-out behaviors of the embedded plate anchor under both monotonic and cyclic loading are simulated and investigated. Effects of the mean value, the amplitude of the cyclic loading on the cyclic pull-out behaviors are analyzed. The results demonstrate that under different cyclic loading levels three typical types of the cyclic pull-out behaviors are obtained, i.e., the cyclic stable, the cyclic hypo-stable and the cyclic degradation.

Copyright © 2014 by ASME



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