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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Ions are finally added in order to complete the Electrical Double Layer description at the nanoscale.
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These results are compared with those obtained for the oedometric swelling tests.
Elimination, par des argiles gonflantes, de l’aflatoxine B1 des milieux contamines
Editions universitaires europeennes October 19, Ariles Depending on the particular structure of clay minerals, these modifications of consistence may be accompanied by more or less substantial volume variations, manifested, either, as a sharp increase of volume swelling phenomenon when the water content increases or shrinkage shrinkage phenomenon in period of marked rainfall.
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MEDJNOUN Amal – Citations Google Scholar
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Amazon Restaurants Food delivery from local restaurants. Amazon Drive Cloud storage from Amazon. Next the polar nature of the solvent is explicitly modelized by considering water as a Dipolar Hard Sphere fluid.
Water is no longer considered as a continuous solvent but as a fluid of individual polar molecules in order to recover existing experimental and modeling 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.
Metrics Show article metrics. If you are a seller for this product, would you like to suggest updates through seller support? Once the character of the swelling sensed in preliminary recognition phase, an estimate of the amplitude and the pressure of swelling can be established by correlations that tend to link the swelling parameters with geotechnical parameters obtained from identification tests.
This work aims at improving the nanoscale description of expansive clayey soils using the Density Functional Theory DFT.
With the objective of an application to civil engineering, the improved expression of the disjoining pressure at 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 simulate the hydro-mechanical behavior of expansive clays during water uptake.
Previous article Next article. The clayey material hard and brittle when dry, presents the particularity of changing its consistence as a function of its water content.
Impact de la saturation cationique sur l’agencement microscopiques des argiles gonflantes et 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. Initial download of the gonflnates may take a while. East Dane Designer Men’s Argules. Data correspond to usage on the gpnflantes after Citation Van Duy Tran. 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.
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Van Duy Tran 1 AuthorId: Current usage metrics About article metrics Return to article. Alexa Actionable Analytics for the Web. Amazon Renewed Refurbished products with a warranty. The evolution of the clay structure during shrinkage and swelling is followed with the aim of understanding the mechanism of swelling. Different physical phenomena of increasing complexity are successively considered. The results show a concordance between the argilees empirical methods applied. Amazon Advertising Find, attract, and engage customers.
Article Abstract PDF 1. Taking into account of the discontinuous nature of the solvent in the mechanical modeling of swelling clays.
There’s a problem loading this menu right now. Services Same authors – Google Scholar. Get to Know Us. This behavior is essentially linked to some of environmental parameters of these argjles, for example: English Choose a language for shopping. Explore the Home Gift Guide. Would you like to tell us about a lower price? Set up a giveaway.