Search Results - "Fourie, A B"

Characteristic Behavior of Drained and Undrained Triaxial Compression Tests: DEM Study by Nguyen, H. B. K, Rahman, M. M, Fourie, A. B

“…AbstractUndrained and drained triaxial compression tests were simulated using the discrete element method (DEM). It was found that the transition states…”
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Effect of Particle Shape on Constitutive Relation: DEM Study by Nguyen, H. B. K, Rahman, M. M, Fourie, A. B

“…AbstractThe influence of particle shape was evaluated under drained and undrained (constant volume) condition using three-dimensional (3D) cubical assemblies…”
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Critical State Soil Mechanics for Cyclic Liquefaction and Postliquefaction Behavior: DEM study by Rahman, M. M, Nguyen, H. B. K, Fourie, A. B, Kuhn, M. R

“…AbstractDiscrete-element method (DEM) simulations of three-dimensional (3D) assemblies of ellipsoid particles were used to evaluate the critical state (CS) for…”
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Discussion of “In Situ Improvement of Highly Sensitive Clays by Potassium Chloride Migration” by Tonje Eide Helle, Per Aagaard, and Steinar Nordal by Reid, D, Fourie, A. B

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Differences in the rheology and surface chemistry of kaolin clay slurries: The source of the variations by Teh, E.-Jen, Leong, Y.K., Liu, Y., Fourie, A.B., Fahey, M.

“…Kaolinite clays from two sources were found to display different rheological and electrokinetic behaviour despite having similar mineral composition. This…”
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Dewatering of mine tailings using electrokinetic geosynthetics by Fourie, A B, Johns, D G, Jones, CJ FP

“…Many mining operations produce tailings that dewater very slowly under self-weight consolidation. One way of reducing the water content of such tailings is by…”
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Movement of contaminants in the unsaturated zone of the subsurface from a low flush on-site sanitation system in Ivory Park, Johannesburg by Van Ryneveld, M.B., Fourie, A.B., Palmer, I.H.

“…This study measured the movement of contaminants in the unsaturated zone of the subsurface from a low-flush on-site sanitation system (also known as an…”
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Catastrophe revisited ? disastrous flow failures of mine and municipal solid waste by Blight, G E, Fourie, A B

“…Catastrophic flow failures have occurred with alarming frequency in mine tailings dams and dumps of discards and other mine waste. In recent years,…”
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Preferential flow in municipal solid waste and implications for long-term leachate quality: valuation of laboratory-scale experiments by Rosqvist, N. H., Dollar, L. H., Fourie, A. B.

“…In this paper, we study and quantify pollutant concentrations after long-term leaching at relatively low flow rates and residual concentrations after heavy…”
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Assessment of the modified slump test as a measure of the yield stress of high-density thickened tailings by Gawu, S KY, Fourie, A B

“…Yield stress values of four thickened (high-density) mineral tailings at varying solids concentrations were determined using three different techniques. The…”
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An experimental and numerical study of a landslide triggered by an extreme rainfall event in northern Australia by Suradi, M, Fourie, A B, Saynor, M J

“…In February/March 2007, an extreme rainfall event occurred in the Jabiru region of the Northern Territory of Australia. Rainfall of 784 mm fell in a 72-h…”
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Measured gas emissions from four landfills in South Africa and some implications for landfill design and methane recovery in semi-arid climates by Fourie, A. B., Morris, J. W. F.

“…The magnitude of annual global emissions of methane from municipal solid waste landfills without landfill gas control systems implies that these landfills are…”
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Defining an appropriate steady state line for Merriespruit gold tailings by Fourie, A B, Papageorgiou, G

“…Failure of the Merriespruit gold tailings dam in 1994 in South Africa was unusual in that never before had a gold tailings dam in South Africa failed in such a…”
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Pore structure in a gold mine cemented paste backfill by Fridjonsson, E.O., Hasan, A., Fourie, A.B., Johns, M.L.

“…•NMR (T1) signal relaxation measurements related to cemented paste backfill (CPB) microstructure.•Distinct pore sizes evident and attributed to cement regions…”
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Cyclic DSS tests for the evaluation of stress densification effects in liquefaction assessment by Viana Da Fonseca, A., Soares, M., Fourie, A.B.

“…To evaluate the stress correction factor for the Cyclic Resistance Ratio (“CRR”) under cyclic loading with principal stress rotation, 86 Cyclic Direct Simple…”
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Compaction conditions greatly affect growth during early plant establishment by Beckett, C.T.S., Glenn, D., Bradley, K., Guzzomi, A.L., Merritt, D., Fourie, A.B.

“…Successful plant establishment is critical for the success of store/release cover systems. Such cover systems comprise several soil layers: highly compacted…”
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Initiation of static liquefaction and the role of K 0 consolidation by Fourie, A B, Tshabalala, L

“…The potential for static liquefaction of hydraulically placed sands and silts is now well recognised. A particular category of this type of operation, tailings…”
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Reply to the discussion by Crowder and Grabinsky on "Assessment of the modified slump test as a measure of the yield stress of high-density thickened tailings" by Gawu, S KY, Fourie, A B

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Initiation of static liquefaction and the role of K0 consolidation by Fourie, A B, Tshabalala, L

“…The potential for static liquefaction of hydraulically placed sands and silts is now well recognised. A particular category of this type of operation, tailings…”
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Perceived and realized benefits of paste and thickened tailings for surface deposition by Fourie, AB

“…Interest in the potential use of high-density, thickened tailings has recently increased significantly. Reasons for considering this new technology vary across…”
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