Diffusivity of saturated ordinary Portland cement-based materials: A critical review of experimental and analytical modelling approaches

RA Patel, QT Phung, SC Seetharam, J Perko… - Cement and Concrete …, 2016 - Elsevier
This paper provides a comprehensive overview of existing experimental and modelling
approaches to determine effective diffusion coefficients of water saturated ordinary Portland …

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 …

Anion exclusion effects in compacted bentonites: towards a better understanding of anion diffusion

LR Van Loon, MA Glaus, W Müller - Applied Geochemistry, 2007 - Elsevier
Diffusion of 36Cl− in compacted bentonite was studied using through-diffusion, out-diffusion
and profile analysis techniques. Both the bulk dry density of the bentonite and the …

Molecular dynamics simulation of thermal, hydraulic, and mechanical properties of bentonite clay at 298 to 373 K

X Zheng, TR Underwood, IC Bourg - Applied Clay Science, 2023 - Elsevier
Bentonite, a fine-grained geologic material rich in smectite clay, is considered for use in the
isolation of high-level radioactive waste (HLRW) because of its low hydraulic permeability …

Diffusion-driven transport in clayrock formations

S Altmann, C Tournassat, F Goutelard, JC Parneix… - Applied …, 2012 - Elsevier
Clay mineral-rich sedimentary formations are currently under investigation to evaluate their
potential use as host formations for installation of deep underground disposal facilities for …

Intrinsic chloride ion transport behavior in porous space of pure CSH

L **ong, Z Zhang, Y Hu, G Geng - Cement and Concrete Research, 2024 - Elsevier
Knowing the chloride ingress rate is crucial in predicting the service life of reinforced
concrete in chlorine environment. While empirical diffusion model is available, fundamental …

[HTML][HTML] Effect of compaction on bisulfide diffusive transport through MX-80 bentonite

F Chowdhury, TL Rashwan, P Mondal… - Journal of Contaminant …, 2024 - Elsevier
Canada's deep geological repository (DGR) design includes an engineered barrier system
where highly compacted bentonite (HCB) surrounds the copper-coated used fuel containers …

A coupled THC model of the FEBEX in situ test with bentonite swelling and chemical and thermal osmosis

L Zheng, J Samper, L Montenegro - Journal of contaminant hydrology, 2011 - Elsevier
The performance assessment of a geological repository for radioactive waste requires
quantifying the geochemical evolution of the bentonite engineered barrier. This barrier will …

Quantification of vapor intrusion pathways into a slab-on-ground building under varying environmental conditions

BM Patterson, GB Davis - Environmental science & technology, 2009 - ACS Publications
Potential hydrocarbon-vapor intrusion pathways into a building through a concrete slab-on-
ground were investigated and quantified under a variety of environmental conditions to …

Effects of carbonation and calcium leaching on microstructure and transport properties of cement pastes

QT Phung - 2015 - biblio.ugent.be
During the past decades, a significant progress has been made in the development of
concrete materials. With the development of high performance and self-compacting …