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Vibratory pile driving in water-saturated sand: Back-analysis of model tests using a hydro-mechanically coupled CEL method

  • The development of a hydro-mechanically coupled Coupled-Eulerian–Lagrangian (CEL) method and its application to the back-analysisof vibratory pile driving model tests in water-saturated sand is presented. The predicted pile penetration using this approachis in good agreement with the results of the model tests as well as with fully Lagrangian simulations. In terms of pore water pressure, however,The development of a hydro-mechanically coupled Coupled-Eulerian–Lagrangian (CEL) method and its application to the back-analysisof vibratory pile driving model tests in water-saturated sand is presented. The predicted pile penetration using this approachis in good agreement with the results of the model tests as well as with fully Lagrangian simulations. In terms of pore water pressure, however, the results of the CEL simulation show a slightly worse accordance with the model tests compared to the Lagrangian simulation. Some shortcomings of the hydro-mechanically coupled CEL method in case of frictional contact problems and pore fluids with high bulk modulus are discussed. Lastly, the CEL method is applied to the simulation of vibratory driving of open-profile piles under partially drained conditions to study installation-induced changes in the soil state. It is concluded that the proposed method is capable of realistically reproducing the most important mechanisms in the soil during the driving process despite its addressed shortcomings.show moreshow less

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    Gefördert durch das Programm Open Access Publizieren der DFG und den Publikationsfonds der Bauhaus-Universität Weimar.

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Metadaten
Document Type:Article
Author: Patrick StaubachORCiDGND, Jan MachacekORCiDGND, Josefine Skowronek, Torsten WichtmannORCiDGND
DOI (Cite-Link):https://doi.org/10.1016/j.sandf.2020.11.005Cite-Link
URN (Cite-Link):https://nbn-resolving.org/urn:nbn:de:gbv:wim2-20210203-43571Cite-Link
URL:https://www.sciencedirect.com/science/article/pii/S0038080620337586?via%3Dihub
Parent Title (English):Soils and Foundations
Publisher:Elsevier, Science Direct
Place of publication:Amsterdam
Language:English
Date of Publication (online):2021/02/01
Year of first Publication:2021
Release Date:2021/02/03
Publishing Institution:Bauhaus-Universität Weimar
Institutes and partner institutions:Fakultät Bauingenieurwesen / Institut für Konstruktiven Ingenieurbau
Volume:2021
Issue:Volume 61, Issue 1
Pagenumber:16
First Page:144
Last Page:159
Tag:Coupled-Eulerian–Lagrangian; Hydro-mechanically coupled; Hypoplasticity; Large deformation; Relative acceleration; Vibratory pile driving
GND Keyword:Plastische Deformation; Deformationsverhalten; Plastizität
Dewey Decimal Classification:500 Naturwissenschaften und Mathematik
BKL-Classification:56 Bauwesen
Open Access Publikationsfonds:Open-Access-Publikationsfonds 2020
Licence (German):License Logo Creative Commons 4.0 - Namensnennung (CC BY 4.0)