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Title: Unsaturated shear strength of a silty sand
Authors: Schnellmann, Reto
Rahardjo, Harianto
Schneider, Hans R.
Keywords: DRNTU::Engineering::Civil engineering
Issue Date: 2013
Source: Schnellmann, R., Rahardjo, H., & Schneider, H. R. (2013). Unsaturated shear strength of a silty sand. Engineering geology, 162, 88-96.
Series/Report no.: Engineering geology
Abstract: Series of single stage, consolidated drained direct shear tests under different net normal stresses and matric suctions were carried out to evaluate the unsaturated shear strength behavior of a silty sand. A back pressure shear box was used to measure and control pore-air and pore-water pressures. The experimental data show that matric suction increases shear strength of the soil significantly following a highly non-linear relationship. An increase in net normal stress results in a higher shear strength and the shearing behavior changes gradually from a peak shear strength followed by a strain-softening behavior to a strain-hardening behavior. A comparison between experimental shear strength measurements and predicted unsaturated shear strength values was made and the results are presented in the paper.
ISSN: 0013-7952
DOI: 10.1016/j.enggeo.2013.05.011
Rights: © 2013 Elsevier B.V.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:CEE Journal Articles

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