Solute transport in partially-saturated deformable porous media: Application to a landfill clay liner

被引：42

作者：

Zhang, H. J. ^{[1
]}

Jeng, D. -S. ^{[1
]}

Seymour, B. R. ^{[2
]}

Barry, D. A. ^{[3
]}

Li, L. ^{[4
]}

机构：

[1] Univ Dundee, Div Civil Engn, Dundee DD1 4HN, Scotland

[2] Univ British Columbia, Dept Math, Vancouver, BC V6Z 1Z2, Canada

[3] Ecole Polytech Fed Lausanne, Lab Technol Ecol, Fac Environm Nat Architectural & Construit ENAC, Stn 2, CH-1015 Lausanne, Switzerland

[4] Univ Queensland, Sch Civil Engn, Natl Ctr Groundwater Res & Training, Brisbane, Qld 4072, Australia

来源：

ADVANCES IN WATER RESOURCES | 2012年 / 40卷

关键词：

Biot consolidation; Advection-diffusion; Pore water compressibility; CONVECTION-DISPERSION MODEL; LARGE-STRAIN CONSOLIDATION; CONTAMINANT TRANSPORT; SEDIMENT; SIMULATION; MIGRATION;

D O I：

10.1016/j.advwatres.2012.01.007

中图分类号：

TV21 [水资源调查与水利规划];

学科分类号：

081501 ;

摘要：

Based on the one-dimensional Biot consolidation equations, this paper developed an advection-diffusion equation that incorporates saturation, compressibility of the pore fluid and longitudinal dispersivity of the solute transport in an unsaturated, deforming porous medium. A simplified model was proposed for the case of a landfill liner. Numerical results demonstrated that the longitudinal dispersivity and compressibility of the pore fluid can be significant. Furthermore, the degree of soil saturation and loading rate of the waste surcharge affect significantly the contamination advective emission, namely the cumulative contaminant mass outflow per unit area from compacted clay liner (CCL) due to advective flow. (C) 2012 Elsevier Ltd. All rights reserved.

引用

页码：1 / 10

页数：10

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