Les argiles Gonflantes – Wannehain, Wannehain. Community. Elimination, par des argiles gonflantes, de l’aflatoxine B1 des milieux contamines . Masimango, N. Remacle, J. Ramaut, J. Access the full text. Cet article porte sur la caractérisation géologique, minéralogique et géotechnique des argiles marneuses gonflantes de la région de Médéa. Dans une première.
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This work aims at improving the nanoscale description of expansive clayey soils using the Density Functional Theory DFT. Article Abstract PDF 1. ComiXology Thousands of Digital Comics. Amazon Advertising Find, attract, and engage customers. If you are a seller for this product, would you like to suggest updates through seller support? The clayey material hard and brittle when dry, presents the particularity of changing its consistence as a function of its water content.
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The finite size of the water molecules is firstly taken into account by modeling water as a Hard Sphere fluid using the Fundamental Measure Theory. Water is no longer considered as a continuous solvent but as a fluid of individual polar molecules in order to recover existing experimental and atgiles results such as the presence of discrete water layers in the interplatelet space or the variation of the disjoining pressure with the interplatelet distance at low hydration level.
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Services Same authors – Google Scholar. Amazon Restaurants Food delivery from local restaurants. This behavior is essentially linked to some of environmental parameters of these soils, for example: English Choose a language for shopping.
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Learn more about Amazon Giveaway. Explore the Home Gift Guide. Once the character of the swelling sensed in preliminary recognition phase, an estimate of the amplitude and the pressure of swelling can srgiles established by correlations that tend to link the swelling parameters with geotechnical parameters obtained from identification tests.
Swelling clay Porous media Electrical double layer Discontinuous solvent Disjoining pressure Interparticle correlations. Get gpnflantes Know Us. East Dane Designer Men’s Fashion.
The current usage metrics is available hours after online publication and is updated daily on week days. The polar nature of the water solvent is then implicitly taken into account through a Lennard-Jones potential averaging the different types of Van der Waals interactions. A certain percentage of moisture may transformed it into a plastic and manageable material. Amazon Second Chance Pass it on, trade it in, give it a second life. Discover Prime Book Box for Kids.
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Amazon Music Stream millions of songs. The evolution of the clay structure during shrinkage and swelling is followed with the aim of understanding the mechanism of swelling. Next the polar nature of the solvent is explicitly modelized by considering water as a Dipolar Hard Sphere fluid.
The prediction of swelling potential of soil is possible with empirical methods that based on identification parameters, such as plasticity and particle gonflanges, determined during the reconnaissance campaigns. With the objective of an application to civil engineering, the improved expression of the disjoining pressure ginflantes the nanoscale is included in a modified form of Terzaghi’s effective stress principle for unsaturated expansive clays recently developed by our group in order to numerically gonflsntes the hydro-mechanical behavior of expansive clays during water uptake.