Morphology and permeability assessment of heterogeneous soils

机译：非均质土壤的形态和渗透性评估

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This paper presents a study into permeability of isotropic heterogeneous soils based on the self-consistent method. The reasoning is conducted at a mesoscopic scale so that the Darcy law is valid for any constituent. Several simple modelling approaches are introduced to describe media of different morphology. They enable to understand the essential role of the constituent's connectedness and their respective scales. Applications to permeability assessments are given for soils made of two or hree constituents such as saturated clay, impervious grains and perfectly permeable water pockets. The same principles can also be applied to constituents with finite permeability and the results are valid for any kind of transfer phenomena (thermal conduction, electric, diffusion transport, ...).

机译：本文基于自洽方法对各向同性非均质土的渗透性进行了研究。推理是在介观尺度上进行的，因此达西定律对任何组成部分均有效。介绍了几种简单的建模方法来描述不同形态的媒体。它们使您能够了解选民的联系性及其各自规模的基本作用。对于由两种或三种成分（例如饱和粘土，不透水的颗粒和完全可渗透的水袋）组成的土壤，可用于渗透性评估。相同的原理也可以应用于具有有限渗透率的成分，并且该结果对于任何种类的传递现象（热传导，电，扩散传输等）均有效。

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来源
《Second Biot Conference on Poromechanics Aug 26-28, 2002 Grenoble, France》|2002年|p.453-459|共7页
会议地点 Grenoble(FR)
作者
I. Ibraim; C. Boutin; L. Arnaud;
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作者单位

Laboratoire Geomateriaux, Vaulx-en-Velin Cedex, France;

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原文格式 PDF
正文语种 eng
中图分类地球物理学;
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Morphology and permeability assessment of heterogeneous soils

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