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A procedure for the direct determination of Bishop's chi parameter from changes in pore size distribution

Author
Vaunat, J.; Casini, F.
Type of activity
Journal article
Journal
Géotechnique
Date of publication
2017-07
Volume
67
Number
7
First page
631
Last page
636
DOI
https://doi.org/10.1680/jgeot.15.T.016 Open in new window
Repository
http://hdl.handle.net/2117/107243 Open in new window
URL
http://www.icevirtuallibrary.com/doi/10.1680/jgeot.15.T.016 Open in new window
Abstract
Most of the recent works relating to the concept of effective stress in unsaturated soils focus on the proposal by Bishop, and, more particularly, on the search for suitable relationships between Bishop's ¿ parameter and the main controlling variables. These relationships are generally formulated by theoretical derivations and back-analyses of the dependency of mechanical parameters on hydraulic variables such as suction or saturation. In this note, a new procedure is proposed to evaluate direc...
Citation
Vaunat, J., Casini, F. A procedure for the direct determination of Bishop's chi parameter from changes in pore size distribution. "Géotechnique", Juliol 2017, vol. 67, núm. 7, p. 631-636.
Keywords
clays, fabric/structure of soils, partial saturation, silts, suction
Group of research
MSR - Soil and Rock Mechanics

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