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How Long Is Long Enough? Assessing the Critical Storm Duration for Non Discharge TSFs

Joanna So, Heather Thomson, Justin Walls - 7 juillet 2026

This paper presents a practical method for identifying the critical storm duration for non-discharge TSFs, using water-balance modelling to show how default 24- 72-hour storm assumptions can underestimate flood storage risk for rarer, more extreme events.

TAGS: critical storm duration, non-discharge TSF, tailings storage facility design, TSF freeboard, water balance modelling, TSF flood risk, AEP design storm, spillway design, tailings dam safety, GISTM, paddock-style TSF, PMP storm, TSF risk management, TSF closure design storm
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Pit Lake Water Balance Modelling – Detail Matters

Pierre Rousseau, Ignacio Vernengo Lezica, Zip Boniecki, Steven Murton, Marilena Stimpfl - 6 juillet 2026

This paper presents pit lake water balance modelling for a mine closure and operational assessment, highlighting how tailings water content, salinity-driven evaporation suppression, wind sheltering and pit morphology significantly influence long-term water levels.

TAGS: pit lake water balance, pit lake modelling, pit lake salinity, evaporation suppression, GoldSim, tailings water content, in-pit tailings disposal, mine closure modelling, wind sheltering, saline groundwater, evaporative concentration, mine dewatering
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Beyond Design-and-Walk-Away: Why Heap Leach Governance is Catching Up with Tailings

Heather Thomson, Breese Burnley - 23 juin 2026

This article examines how global heap leach failures are driving a shift toward tailings-style governance, with greater emphasis on independent oversight, lifecycle planning, and closure from the outset.

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On the Probability of Failure of Tailings Dams by Flow Liquefaction Considering Combined Triggers

Lisandro Roldan, Mauro Giuliano Sottile, Alejo Sfriso, Florencia Spinazzola - 15 juin 2026

This paper presents a probabilistic framework that integrates the 2nd Generation of Eurocode 7 geotechnical design principles with advanced numerical modeling to assess the vulnerability of TSFs to flow liquefaction under combined actions.

TAGS: Tailings Sorage Facilities (TSFs), Flow Liquefaction, Probabilistic Vulnerability Assessment, Eurocode 7, Performance-Based Design
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Monitoring Adjustments After Unexpected Rain-Induced Deformation Accelerations in a TSF with a Rockfill Buttress

Manuel Cervantes,Alejandro Calvo,Ignacio García,Fabian Arquin - 29 mai 2026

This paper presents a case study of an embankment TSF that underwent stabilization through the construction of a downstream rockfill buttress and improvements monitoring systems.

TAGS: Upstream‑raised facilities, rockfill, downstream buttressed, rainfall, TSF
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