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42
Vol

Biodegradation of Biodiesel in Laboratory and Field in a Clayey Residual Soil

July 08, 2019

This study compared the process of biotic and abiotic degradation of biodiesel in a clayey soil in a laboratory environment (ex situ) and infield environment (in situ). The experiment carried out ex situ had controlled temperature and humidity, while the experiment in situ was directly influenced by external factors such as rainfall and temperature. The...

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42
Vol

Geological-Geotechnical Characterization of Slopes Belonging to the Serra do Mar Paranaense, Brazil

July 08, 2019
An extensive campaign of field and laboratory tests were performed on samples of residual soils and colluviums present in the morphoscultural sub-unit comprising Serra do Mar Paranaense located in Southern Brazil. The geotechnical investigations included the physical characterization, in situ hydraulic conductivity and the mechanical behavior of the soils, by me...
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41
Vol

One-Dimensional Consolidation Considering Viscous Soil Behaviour and Water Compressibility - Viscoconsolidation

March 07, 2018

The aim of this paper is to draw attention to experimental evidence which may contribute to the understanding of the viscous behaviour of soft soils and, above all, present the equation for primary one-dimensional consolidation including the soil viscous resistance and the compressibility of water, with its analytical solution. Initially, a generic equa...

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41
Vol

On the Compatibility and Theoretical Equations for Mixtures of Tropical Soils and Bentonite for Barrier Purposes

November 09, 2018
Vast regions of the globe are covered by tropical soils, increasing the perspective of using them for barrier design at solid/liquid disposal facilities. They comprise diverse pedological taxonomies, but have common features, specially the dominant mineral composition of quartz, kaolinite clay and Fe-Al-Mn oxides/hydroxides. Despite the vast occurrence, sometime...
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