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LDFEM analysis of FDP auger installation in cohesive soil

Abstract

This paper deals with large deformation finite element (LDFE) preliminary modelling of Full Displacement Pile (FDP) installation in cohesive soil deposit located in Jazowa, Poland. The detailed FDP auger geometry is applied and the drilling process is modelled with full 3D Coupled Eulerian-Lagrangian (CEL) formulation. The total stress approach and elastic-perfectly plastic model with rate-dependent Mises plasticity is used. The interaction between auger and surrounding soil is controlled by adhesive contact algorithm. The radial total stress distributions along FDP auger in selected distances from the pile axis are investigated. The reaction force and rotational moment which act on the auger are determined and the results of numerical analysis are compared with data registered by drilling rig. The aim of this paper is to clarify the installation effects which take place during FDP pile installation in soft cohesive soil.

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Category:
Conference activity
Type:
publikacja w wydawnictwie zbiorowym recenzowanym (także w materiałach konferencyjnych)
Title of issue:
Numerical Methods in Geotechnical Engineering IX:Proceedings of the 9th European Conference on Numerical Methods in Geotechnical Engineering (NUMGE 2018), June 25-27, 2018, Porto, Portugal strony 603 - 610
Language:
English
Publication year:
2018
Bibliographic description:
Konkol J., Bałachowski L., Linowiecki J.: LDFEM analysis of FDP auger installation in cohesive soil// Numerical Methods in Geotechnical Engineering IX:Proceedings of the 9th European Conference on Numerical Methods in Geotechnical Engineering (NUMGE 2018), June 25-27, 2018, Porto, Portugal/ ed. José C. Marques, António S. Cardoso, José L. Borges, Pedro A. Costa, António T. Gomes, Castorina S. Vieira : , 2018, s.603-610
DOI:
Digital Object Identifier (open in new tab) 10.1201/9781351003629-75
Sources of funding:
Verified by:
Gdańsk University of Technology

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