Hydraulic fill research at James Cook University in the new millennium

Pirapakaran, K., Singh, S., and Sivakugan, N. (2007) Hydraulic fill research at James Cook University in the new millennium. In: Proceedings of Minefill 2007, pp. 1-8. From: 9th International Symposium on Mining with Backfill: Innovation and Experience, 29 Apr-2 May 2007, Montreal, Quebec, Canada.

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Abstract

The Geotechnical Engineering research group at James Cook University has been working closely with all the leading mines in Australia in the area of minefills. They have carried out substantial research and consulting work on the drainage and stress developments within hydraulic fills. The objective of this paper is to summarize their work during the past five years on hydraulic fills. The paper will serve as a one-stop reference, pointing to relevant literature including the authors' own publications, on various issues covering drainage and stress developments within hydraulic fills. More than 15 different hydraulic fills, representing five major mines in Australia, were studied. Their grain size distributions and placement characteristics including permeability, porosity and dry density were studied and comparisons were made with the limited in situ data available in the literature. Stress development within hydraulic fills has been studied to minimize the risk associated with barricades failure. FLAC and FLAC3D were used to model stress developments within the hydraulic fills and were compared against the approximate closed form solutions available in the literature. A laboratory model was developed to study arching effects within the hydraulic fills.

Item ID: 3060
Item Type: Conference Item (Refereed Research Paper - E1)
Keywords: minefill; hydraulic fill; backfill; drainage; stability; mine safety
Date Deposited: 02 Oct 2009 03:37
FoR Codes: 09 ENGINEERING > 0999 Other Engineering > 099999 Engineering not elsewhere classified @ 100%
SEO Codes: 84 MINERAL RESOURCES (excl. Energy Resources) > 8499 Other Mineral Resources (excl. Energy Resources) > 849999 Mineral Resources (excl. Energy Resources) not elsewhere classified @ 100%
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