Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Diffusion of organic contaminants in triple-layer composite liners: an analytical modeling approach
Abstract This paper presents an analytical solution for modeling the one-dimensional diffusion of organic contaminants through a composite liner, comprising a geomembrane, a geosynthetic clay liner and a soil liner system. The Laplace transformation technique is used to obtain a dimensionless analytical solution to the diffusion of organic chemicals through the triple-layer composite liners. The solution presented is verified against two alternative numerical solutions. The analytical solution is then adopted to provide a series of graphical design charts which can assist with the assessment and design of composite liners. Design examples are included for a composite liner having a geomembrane, a geosynthetic clay liner and a soil liner system. The proposed analytical solution provides a practical and relatively simple tool to assist with the design of composite liners and the validation of numerical models.
Diffusion of organic contaminants in triple-layer composite liners: an analytical modeling approach
Abstract This paper presents an analytical solution for modeling the one-dimensional diffusion of organic contaminants through a composite liner, comprising a geomembrane, a geosynthetic clay liner and a soil liner system. The Laplace transformation technique is used to obtain a dimensionless analytical solution to the diffusion of organic chemicals through the triple-layer composite liners. The solution presented is verified against two alternative numerical solutions. The analytical solution is then adopted to provide a series of graphical design charts which can assist with the assessment and design of composite liners. Design examples are included for a composite liner having a geomembrane, a geosynthetic clay liner and a soil liner system. The proposed analytical solution provides a practical and relatively simple tool to assist with the design of composite liners and the validation of numerical models.
Diffusion of organic contaminants in triple-layer composite liners: an analytical modeling approach
Xie, Haijian (Autor:in) / Thomas, Hywel Rhys (Autor:in) / Chen, Yunmin (Autor:in) / Sedighi, Majid (Autor:in) / Zhan, Tony Liangtong (Autor:in) / Tang, Xiaowu (Autor:in)
Acta Geotechnica ; 10 ; 255-262
17.11.2013
8 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
Analytical techniques , Diffusion , Geomembranes , Geosynthetics , Landfill , Liners , Organic contaminants Engineering , Geoengineering, Foundations, Hydraulics , Continuum Mechanics and Mechanics of Materials , Geotechnical Engineering & Applied Earth Sciences , Soil Science & Conservation , Soft and Granular Matter, Complex Fluids and Microfluidics , Structural Mechanics
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