Journal
GEOMECHANICS FOR ENERGY AND THE ENVIRONMENT
Volume 15, Issue -, Pages 54-64Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.gete.2018.02.003
Keywords
Soil-water retention behaviour; Transient effects; Suction stress; Granular soils; Matric suction measurement
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In the present study, an experimental setup is presented and employed to examine the influence of rate of change of saturation on the transient water retention curves of granular soils with a low suction range. The results are evaluated and compared to existing theoretical approaches to model the non-equilibrium soil-water retention behaviour as well as to experimental findings from other researchers. Furthermore, suction stress characteristic curves under non-equilibrium conditions are obtained. Finally, the importance and the application of the results in hydro-mechanical modelling of unsaturated soils are discussed. (c) 2018 Elsevier Ltd. All rights reserved.
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