[PDF][PDF] Protecting the environment from contamination with barrier systems: advances and challenges

RK Rowe, S Jefferis - … of the 20th International Conference on Soil …, 2022 - researchgate.net
The state-of-the-art for barriers systems control of pollution migration and hydraulic
structures including liner systems for landfills, mine waste, and dams/lagoons are discussed …

Fickian diffusion of radionuclides for engineered containment barriers: Diffusion coefficients, porosities, and complicating issues

CD Shackelford, SM Moore - Engineering Geology, 2013 - Elsevier
A review of the literature was undertaken primarily with the goal of discerning the types of
diffusion coefficients that have been reported with respect to diffusion of radionuclides …

Multicomponent diffusion modeling in clay systems with application to the diffusion of tritium, iodide, and sodium in opalinus clay

CAJ Appelo, P Wersin - Environmental science & technology, 2007 - ACS Publications
The hydrogeochemical transport model PHREEQC was extended with options to calculate
multicomponent diffusion in free pores and in the diffuse double layer (DDL). Each solute …

Constitutive equations for ionic transport in porous shales

A Revil, P Leroy - Journal of Geophysical Research: Solid …, 2004 - Wiley Online Library
The constitutive coupled equations describing ionic transport in a porous shale are obtained
at the scale of a representative elementary volume by volume averaging the local Nernst …

The ISSMGE Kerry Rowe Lecture: The role of diffusion in environmental geotechnics

CD Shackelford - Canadian Geotechnical Journal, 2014 - cdnsciencepub.com
Diffusion of contaminants can play a significant if not dominant role in many applications
encountered within the field of environmental geotechnics. The objective of this paper is to …

Enhanced bentonites for containment of inorganic waste leachates by GCLs

J Scalia IV, GL Bohnhoff… - Geosynthetics …, 2018 - icevirtuallibrary.com
The sensitivity of sodium bentonite (Na-B) to adverse chemical interactions has spurred
development of enhanced bentonites (EBs) for geosynthetic clay liners (GCLs) that provide …

Membrane behavior and diffusion properties of sand/SHMP-amended bentonite vertical cutoff wall backfill exposed to lead contamination

XL Fu, R Zhang, KR Reddy, YC Li, YL Yang, YJ Du - Engineering Geology, 2021 - Elsevier
This paper presents a laboratory experimental investigation on the membrane behavior and
diffusion properties of sand/sodium hexametaphosphate (SHMP)-amended bentonite …

Flow and transport through clay membrane barriers

MA Malusis, CD Shackelford, HW Olsen - Engineering Geology, 2003 - Elsevier
Flux equations for liquid and solute migration through clay barriers that behave as semi-
permeable membranes used in waste containment and remediation applications, known as …

Performance-based indicators for controlling geosynthetic clay liners in landfill applications

D Guyonnet, N Touze-Foltz, V Norotte, C Pothier… - Geotextiles and …, 2009 - Elsevier
The results of a project aimed at identifying performance-based indicators that can be used
by landfill operators to check the suitability of GCLs for bottom barrier applications are …

Hydraulic conductivity and compressibility of soil-bentonite backfill amended with activated carbon

MA Malusis, EJ Barben, JC Evans - Journal of geotechnical and …, 2009 - ascelibrary.org
Flexible-wall permeability tests and rigid-wall consolidation/permeability tests were
performed to evaluate the hydraulic conductivity and compressibility of a model soil …