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Deformations and stability of granular soils: Classical triaxial tests and numerical results from an incremental model

Authors
  • Sławińska-Budzich, Justyna
  • Mierczyński, Jacek
Type
Published Article
Journal
Studia Geotechnica et Mechanica
Publisher
Sciendo
Publication Date
Jun 30, 2020
Volume
42
Issue
2
Pages
137–150
Identifiers
DOI: 10.2478/sgem-2019-0039
Source
De Gruyter
Keywords
License
Green

Abstract

This article presents a modified incremental model describing pre-failure deformations of granular soils under classical triaxial conditions. The original shape of equations has been proposed by Sawicki and Świdziński [40, 41]. A new form of equations that are consistent with the proposed definitions of deviatoric loading and unloading is suggested. Triaxial tests necessary for calibrating the proposed model have been performed. The modified model is used to simulate the deformations and stability of sand for every pre-failure loading path and makes it possible to describe the behaviour of granular soil under both drained and undrained conditions. A comparison of experimental and numerical results is presented. All investigations were performed in a classical tri-axial apparatus.

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