novel method to measure the soil clay’s permeability by laser interferometry

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ID: 148568
2014
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Abstract
In this study, we’ll present a new method to measure the permeability of clay soils (or infiltration rate) by laser interferometry. The device is a modified Michelson interferometer. Indeed on the movable mirror is glued a clay sample in the form of a parallelepiped, dried, of length L, height H and shaped to retain the drops of water on its surface to control water’s content .When injecting a volume of distilled water (a few drops) to the surface of the sample, it swells and moves the mirror, then we can measure the swelling depending on the depth of a clay soil and its permeability. Therefore we measure time that takes water to reach a depth of Z and we determine the infiltration rate: V=6μm/s ± 3% in concordance with literal values included between 2,8 and 13,9μm/s in clayey silt. For this comparison, we used the study of the characterization of the clay fraction to our sample by XRD.
Reference Key
h.2014matecnovel Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Asselman H.;Daouidi A.;Draoui K.;Asselman A.
Journal acta botânica brasílica
Year 2014
DOI
10.1051/matecconf/20141102010
URL
http://dx.doi.org/10.1051/matecconf/20141102010
Keywords
engineering (general) civil engineering (general)

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