G-PFEM Numerical Assessment of Screw Pile Undrained Capacity

L. Monforte (Lead / Corresponding author), Marcos Arroyo, Antonio Gens, Matteo Ciantia

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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Abstract

This contribution describes a preliminary parametric analysis of the factors affecting the pull-out resistance of screw-piles in undrained conditions. The numerical simulations rely on the Particle Finite Element method, a method known for its capabilities to tackle large deformations and rapid changing boundaries at large strains. A total stress analysis –assuming a quasi-incompressible elastic model along with a Tresca plastic model- is used to simulate the clayey soil behavior. Contact constraints are imposed to the solution with a penalty approach. As a first step, a two-dimensional geometry is used and the pile resistance to pullout and penetratoin is assessed.
Original languageEnglish
Title of host publicationISSPEA 2019:
Subtitle of host publication1st International Symposium on Screw Piles for Energy Applications
EditorsC. Davidson, M. J. Brown, J. A. Knappett, A. J. Brennan, C. Augarde, W. Coombs, L. Wang, D. Richards, D. White, A. Blake
Place of PublicationDundee
PublisherUniversity of Dundee
Pages95-100
Number of pages6
DOIs
Publication statusPublished - 27 May 2019

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