ANALYSIS OF PRESSUREMETER IN STRAIN-SOFTENING SOIL

Jean Herve Prevost, Kaare Hoeg

Research output: Contribution to journalArticlepeer-review

41 Scopus citations

Abstract

Strain-softening behavior is defined as a gradual loss of shear resistance after a peak strength has been reached. The basic concepts of the theories of elasticity and plasticity are reviewed, and the classical formulation is extended to include analysis of strain softening. A general effective stress-strain-strength model is described, but attention herein is focused on undrained behavior. Closed-form mathematical solutions for stresses, strains, and pore-water pressures around a pressuremeter are worked out, and detailed comparisons are made between the results from strain-hardening and strain-softening behavior. The proposed theory makes it possible to back-figure basic soil stress-strain and strength properties from strain-controlled pressuremeter tests.

Original languageEnglish (US)
Pages (from-to)717-732
Number of pages16
JournalASCE J Geotech Eng Div
Volume101
Issue number8
StatePublished - Jan 1 1975

All Science Journal Classification (ASJC) codes

  • Engineering(all)

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