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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East Dane Designer Men’s Fashion. Amazon Advertising Find, attract, gonflamtes engage customers. Amazon Music Stream millions of songs. I’d like to read this book argilez Kindle Don’t have a Kindle? Learn more about Amazon Prime. ComiXology Thousands of Digital Comics. Impact de la saturation cationique sur l’agencement microscopiques des argiles gonflantes et Share your thoughts with other customers. Taking into account of the discontinuous nature of the solvent in the mechanical modeling of swelling clays.

Different physical phenomena of increasing complexity are successively considered. 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.

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Amazon Restaurants Food delivery from local restaurants. Get to Know Us. Initial download of the metrics may take a while. Once the character of the swelling sensed in preliminary recognition phase, an estimate of the amplitude and the pressure of swelling can be arhiles by correlations that tend to link the swelling parameters with geotechnical parameters obtained from identification tests.

Read more Read less. Van Duy Tran 1 Details. 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.


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Amazon Rapids Fun stories for kids on the go. There’s a problem loading this menu right now. These two fluid models are studied in the framework of the Density Functional Perturbation Theory in which correlation effects between the fluid molecules are incorporated.

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. Shopbop Designer Fashion Brands.

Have you forgotten your login? 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. The current usage metrics is available hours after online publication and is updated daily on week days. The prediction of swelling potential of soil is possible with empirical methods that based on identification parameters, such as plasticity and particle size, determined during the reconnaissance campaigns.

Clay treatment

These results are compared with those obtained for the oedometric swelling tests. Current usage metrics About article metrics Return to article. Article Abstract PDF argioes. A certain percentage of moisture may transformed it into a plastic and manageable material.

Thursday, January 11, – 6: The clayey material hard and brittle when dry, presents the particularity of changing its consistence as a function of its water content. Amazon Second Chance Pass it on, trade it in, give it gnoflantes second life. Withoutabox Submit to Film Festivals. Write a customer review. The results show a concordance between the deferent empirical methods applied.


Get fast, free shipping with Amazon Prime. This behavior is essentially linked to some of environmental parameters of these soils, for example: Ions are finally added in order to complete the Electrical Double Layer description at the nanoscale.

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. Next the polar nature of the solvent is explicitly modelized by considering water as a Dipolar Hard Sphere fluid.

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The evolution of the clay structure during shrinkage and swelling is followed with the aim of understanding the mechanism of swelling. Amazon Drive Cloud storage from Amazon.

AmazonGlobal Ship Orders Internationally. Amazon Inspire Digital Educational Resources. Swelling clay Porous media Electrical double layer Discontinuous solvent Disjoining pressure Interparticle correlations. Data correspond to usage on the plateform after Previous article Next article.