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|Title:||Unsaturated shear strength of a silty sand||Authors:||Schnellmann, Reto
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.||URI:||https://hdl.handle.net/10356/103041
|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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