Baugrubenverformungen in weichen Böden bei spannungspfadabhängigem Materialverhalten

Translated title of the contribution: Deformations of excavations in soft soils with stress-path-dedependent material behaviour

Patrick Becker, Hans-Georg Kempfert

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The substantial results of a research work on deformations of excavations in soft grounds with stress path dependent material behavior on the basis of 1g-model tests, element tests, numerical analysis as well as validations of three practical case studies are presented. The investigations revealed a pronounced dependency of the stiffness on the stress paths. Therefore, a new approach for numerical analyses is introduced which allows a consideration of the stress path dependent stiffness according to the characteristic stress path zones. Taking into account both temporal and spatial effects in the construction of the three case studies, a good agreement is reached further between the measurements and numeriod results. Thus, the new approach contributes to the optimization of the analysis of excavations in soft soils.
Translated title of the contributionDeformations of excavations in soft soils with stress-path-dedependent material behaviour
Original languageGerman
Pages (from-to)593-603
Number of pages11
JournalBautechnik
Volume87
Issue number10
Early online date5 Oct 2010
DOIs
Publication statusPublished - Oct 2010

Keywords

  • stress paths
  • soft clay
  • excavation
  • retaining structure
  • soil-structure-interaction
  • finite element analysis
  • anisotropy

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