Minimum undrained strength of anisotropically consolidated loose Hostun RF sand

E Ibraim*, T Doanh

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference Contribution (Conference Proceeding)

Abstract

Undrained monotonic compression and extension strain-controlled triaxial test are conducted on very loose Hostun RF sand specimens. The samples are subjected to initial isotropic or anisotropic consolidation. The instability lines of Lade are identified and it is shown that the peak strength envelopes depend on the consolidation history. Under conditions of compression and extension stress path, the steady state line, in (e-logp') plane, is not unique. Both for compression and extension tests, one can determine an upper limit line (UF) and a lower limit line (LF) with an identical slope. The minimum undrained shear strength is associated with the lower limit line LF. Finally, the necessary conditions for the soils to reach one of these lines are analyzed.

Translated title of the contributionMinimum undrained strength of anisotropically consolidated loose Hostun RF sand
Original languageEnglish
Title of host publicationProceeding of International Symposium on Deformation and Progressive Failure in Geomechanics, Pergamon, Nagoya, October
EditorsA Asaoka, T Adachi, F Oka
Place of PublicationOXFORD
PublisherPergamon Press
Pages623-628
Number of pages4
ISBN (Print)0-08-042838-X
Publication statusPublished - 1997
EventIS-NAGOYA 97 Conference on Deformation and Progressive Failure in Geomechanics - NAGOYA, Japan
Duration: 1 Jan 1997 → …

Conference

ConferenceIS-NAGOYA 97 Conference on Deformation and Progressive Failure in Geomechanics
CountryJapan
Period1/01/97 → …

Keywords

  • sand
  • static liquefaction
  • triaxial tests
  • undrained
  • compression
  • extension
  • steady state
  • STEADY-STATE
  • LIQUEFACTION
  • BEHAVIOR

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