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Mine Fill

Hydraulic and Paste Backfill

Perth, Western Australia, November 2007

ACG Course Number: 0707

Presenters: A. Fourie (ACG), T. Grice (AMC Consultants Pty Ltd), M. Helinski (ACG), R. West (Combined Resource Engineering).

Readership: This pre-seminar short course provided an introduction to the selection of an appropriate backfill system, and included aspects such as choosing an appropriate delivery system, deciding on an appropriate strength and how to achieve it (e.g. is a binder necessary and if so, how much?) and steps to the correct design of barricades. The course finished with presentations on results of recent research on the optimisation of pastefill systems.

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Filling with Hydraulic Fills

Perth, Western Australia, February 2002

ACG Course Number: 0201

Presenters: Jack Barrett (Jack Barrett & Partners), Stephen Lawrence (SPL Consulting), Kugan Kuganathan (MIM), Adrian Lang (Dept of Mineral and Petroleum Resources W.A.).

Readership: The seminar was designed for mine managers, mine geotechnical personnel, mine geologists, mining engineers, supervisors, mineral processing engineers and anyone looking at using hydraulic fill, or dealing with mine fill issues in general.

This two-day seminar explored the behaviour of hydraulic fills during filling, drainage and retention, applicable to cemented and uncemented fills either by themselves or as part of rock fill or aggregate fill.

The aim of this seminar was to examine: what occurs during filling, the state-of-the-art interpretation of material response, drainage and water balances, modes of barricade loading, filling rules and their applicability, barricade types and site selection, the application of design codes to walls, design criteria, monitoring, and risk assessment. Lateral wall behaviour, wall design criteria and techniques, relevant structure codes and factors of safety were also discussed.