Workability, compressibility and hydraulic conductivity of zeolite-amended clayey soil/calcium-bentonite backfills for slurry-trench cutoff walls

YJ Du, RD Fan, SY Liu, KR Reddy, F Jin - Engineering Geology, 2015 - Elsevier
Soil–bentonite slurry-trench cutoff walls using backfill consisting of on-site sandy soil and Na-
bentonite are extensively used as engineering barriers for the purpose of achieving …

Impacts of presence of lead contamination in clayey soil–calcium bentonite cutoff wall backfills

YJ Du, RD Fan, KR Reddy, SY Liu, YL Yang - Applied Clay Science, 2015 - Elsevier
Previous studies have shown that clayey soil admixed with Ca-bentonite can be considered
as an alternative backfill for slurry-trench cutoff walls. However, the effects of contaminant …

Compressibility and hydraulic conductivity of clayey soil mixed with calcium bentonite for slurry wall backfill: Initial assessment

RD Fan, YJ Du, KR Reddy, SY Liu, YL Yang - Applied Clay Science, 2014 - Elsevier
Soil–bentonite vertical cutoff walls, consisting of a sandy soil mixed with Na-bentonite as
backfill, are used extensively as engineered barriers for contaminant containment. However …

Studies on hydraulic conductivity and compressibility of backfills for soil-bentonite cutoff walls

H Xu, W Zhu, X Qian, S Wang, X Fan - Applied Clay Science, 2016 - Elsevier
Fujian standard sand (Sand-F) was used to simulate a sandy soil layer. Hebei bentonite
(Bent-H) and Jiangning clay (Clay-J) were served as additives for studying the hydraulic …

Hydraulic conductivity of model soil–bentonite backfills subjected to wet–dry cycling

MA Malusis, S Yeom, JC Evans - Canadian Geotechnical …, 2011 - cdnsciencepub.com
The potential for changes in hydraulic conductivity, k, of two model soil–bentonite (SB)
backfills subjected to wet–dry cycling was investigated. The backfills were prepared with the …

Optimization of sand-bentonite mixture for the stable engineered barriers using desirability optimization methodology: A macro-micro-evaluation

K Farooq, Z ur Rehman, M Shahzadi, H Mujtaba… - KSCE Journal of Civil …, 2023 - Springer
Abstract In this paper, Desirability Optimization Methodology (DOM) is employed to achieve
optimum sand bentonite mixture (SBM) based on multiple antagonist macro-geotechnical …

[HTML][HTML] Numerical analysis of consolidation behavior of soil-bentonite backfill in a full-scale slurry trench cutoff wall test

S Tong, LL Wei, JC Evans, YM Chen, YC Li - Soils and Foundations, 2022 - Elsevier
The stress state of the SB backfill in a full-scale cutoff wall test during the construction and
consolidation was simulated by a finite-element model. The applicability of the model was …

Centrifuge modelling of lead retardation in soil–bentonite cut-off walls

LT Zhan, YQ You, R Zhao, C Chen… - International Journal of …, 2022 - icevirtuallibrary.com
Soil–bentonite (SB) walls are commonly used as barriers for in situ containments at landfills.
SB walls are designed to control the movement of persistent pollutants such as heavy metals …

Stresses in soil–bentonite slurry trench cut-off walls

YC Li, PJ Cleall, YD Wen, YM Chen, Q Pan - Géotechnique, 2015 - icevirtuallibrary.com
The long-term performance of soil–bentonite slurry trench cut-off walls is highly dependent
on the hydraulic conductivity of the soil–bentonite backfill, which according to laboratory …

[图书][B] Fundamentals of ground improvement engineering

J Evans, D Ruffing, D Elton - 2021 - taylorfrancis.com
Ground improvement has been one of the most dynamic and rapidly evolving areas of
geotechnical engineering and construction over the past 40 years. The need to develop …