Influence of dry density and confinement environment on the high strain rate response of partially saturated sand

Influence of dry density and confinement environment on the high strain rate response of... •High strain rate behavior of partially saturated sand is investigated using the Hopkinson bar.•The relative increase of the wet sand stiffness with respect to initial dry density is reduced with increasing saturation.•The stress–strain response of the wet sand stiffens with increasing lateral rigidity.•The energy absorption of the wet sand under uniaxial compression conditions increases with decreasing initial dry density while tending towards an asymptotic value at low to medium saturations.•Hardin's relative grain breakage potential index increase with initial dry density and confinement rigidity for saturations between 25% and  > 90%. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png International Journal of Impact Engineering Elsevier

Influence of dry density and confinement environment on the high strain rate response of partially saturated sand

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Publisher
Elsevier
Copyright
Copyright © 2018 Elsevier Ltd
ISSN
0734-743X
D.O.I.
10.1016/j.ijimpeng.2018.02.006
Publisher site
See Article on Publisher Site

Abstract

•High strain rate behavior of partially saturated sand is investigated using the Hopkinson bar.•The relative increase of the wet sand stiffness with respect to initial dry density is reduced with increasing saturation.•The stress–strain response of the wet sand stiffens with increasing lateral rigidity.•The energy absorption of the wet sand under uniaxial compression conditions increases with decreasing initial dry density while tending towards an asymptotic value at low to medium saturations.•Hardin's relative grain breakage potential index increase with initial dry density and confinement rigidity for saturations between 25% and  > 90%.

Journal

International Journal of Impact EngineeringElsevier

Published: Jun 1, 2018

References

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