Browsing by Author "Barrios, Antonio"

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    Compressibility and creep of a diatomaceous soil
    (2019) Arenaldi Perisic, Ghio; Ovalle, Carlos; Barrios, Antonio
    Diatomaceous soils are composed by a mix of sand, fines and fossilized diatoms, which are unicellular micro algae composed by a strong silica frustule of 10 to 100 mu m in size, with rough surface and enclosing a void that could give the soil a very low dry density. Due to high water storage capacity within frustules, diatomaceous soils present high Liquid Limit and classifies as high plastic silt (MH). In classical soil mechanics, low density and high plasticity are properties associated to very soft soils, however, previous studies have reported that diatomaceous soils could mobilize high shear strength and present relatively high yield stress.