Review of the reclamation techniques for acid-generating mine wastes upon closure of disposal sites

M Aubertin, B Bussière, T Pabst, M James… - Geo-Chicago …, 2016 - ascelibrary.org
Acid mine drainage (AMD) remains a major environmental challenge for the mining industry.
The preferred options for effectively limiting the environmental impact of AMD consist in …

[HTML][HTML] Geochemistry and mineralogy of legacy tailings under a composite cover

A Zhang, JG Bain, A Schmall, CJ Ptacek… - Applied Geochemistry, 2023 - Elsevier
Remediation by a composite cover was implemented on partly oxidized sulfide-rich tailings
in northern Ontario, Canada to reduce the production and release of acid mine drainage …

Response and contribution of shallow groundwater to soil water/salt budget and crop growth in layered soils

S Chen, X Mao, S Shang - Agricultural Water Management, 2022 - Elsevier
Shallow groundwater affects crop growth and yield by altering the root zone water and salt
budgets, with the process being more complicated in layered soils. To gain insights into the …

Physical and numerical modeling of an inclined three-layer (silt/gravelly sand/clay) capillary barrier cover system under extreme rainfall

CWW Ng, J Liu, R Chen, J Xu - waste Management, 2015 - Elsevier
As an extension of the two-layer capillary barrier, a three-layer capillary barrier landfill cover
system is proposed for minimizing rainfall infiltration in humid climates. This system consists …

Thirty-Ninth Canadian Geotechnical Colloquium: Unsaturated soil mechanics—bridging the gap between research and practice

GA Siemens - Canadian Geotechnical Journal, 2018 - cdnsciencepub.com
The majority of geoengineering applications occur in the unsaturated (vadose) zone, which
is the near-surface region forming the connection between meteorological phenomena …

[HTML][HTML] Modelling the water diversion of a sustainable cover system under humid climates

H Guo, CWW Ng, Q Zhang, C Qu, L Hu - Journal of Rock Mechanics and …, 2024 - Elsevier
Extreme rainfall significantly threatens the safety of the landfill cover system, especially
under humid climates. This study aims to provide design recommendations for a sustainable …

Water and salt exchange flux and mechanism in a dry saline soil amended with buried straw of varying thicknesses

H Zhang, H Pang, Y Zhao, C Lu, N Liu, X Zhang, Y Li - Geoderma, 2020 - Elsevier
Salt stress severely constrains crop productivity in arid lands of the world. Burying straw at
the 40 cm soil depth plus plastic film mulching could mitigate root zone salinity, but little is …

Hydro-mechanical coupling in unsaturated soils covering a non-deformable structure

LZ Wu, J Huang, W Fan, X Li - Computers and Geotechnics, 2020 - Elsevier
Rainfall infiltration can lead to landslides and other geohazards. This paper develops an
analytical solution incorporating 1D coupled deformation and rain water infiltration in an …

Comparative performance of cover systems to prevent acid mine drainage from pre-oxidized tailings: A numerical hydro-geochemical assessment

T Pabst, B Bussière, M Aubertin, J Molson - Journal of contaminant …, 2018 - Elsevier
The generation of acid mine drainage (AMD) remains a major environmental challenge for
the mining industry. The reclamation of old mine sites with pre-oxidized tailings is …

Life cycle analysis of common landfill final cover systems focusing on carbon neutrality

CWW Ng, H Chen, H Guo, R Chen, Q Xue - Science of The Total …, 2024 - Elsevier
Carbon emissions from landfill construction and management have become a global
concern. Life cycle analysis (LCA) has been widely used to assess the environmental …