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PASTE BACKFILL PREPARATION AND APPLICATION FOR UNDERGROUND BACKFILLING PROCESS

E. Yilmaz, A. Kesimal, B. Ercikdi

First published: 2004DOI pendingView metrics

Abstract

Paste backfill was first developed by Preussag at the Bad Grund Mine. Filtered tailings were combined with 30 mm heavy media separation tailings to produce a paste backfill. These ingredients were combined and mixed on surface and pumped to the underground mine using two Putzmeister concrete pumps working in parallel. Dry cement was added to the paste mixture just prior to being placed into the stope. The resulting fill then formed the roof for the next cut using an undercut and fill mining method. The experimental work carried out resulted in the design criteria required to manufacture, transport and place a thickened fill in an efficient cost effective manner. The most important requirement to produce a paste is the presence of a sufficient quantity of fine particles. In most cases, paste fill must contain at least 15 per cent by weight of particles less than 20 microns in diameter. Tailings from the milling or processing operation of a mine are the most common source of solid material for paste backfill in the mining industry. This paper explains paste backfill preparation and its application as underground backfilling process.

Publication details

Title
PASTE BACKFILL PREPARATION AND APPLICATION FOR UNDERGROUND BACKFILLING PROCESS
Authors
E. Yilmaz, A. Kesimal, B. Ercikdi
Proceedings
4th International Scientific Conference - SGEM2004
Publisher
SGEM Scientific GeoConference
Year
2004
Pages
135-144
ISSN
1314-2704
ISBN
954-918181-2
Language
en
Publication type
Conference Paper
Proceedings contents
Open official contents
References8

  1. Archibald, J., de Gagne, D., Hassani, F., Nantel, J., 2003. Underground Mine

  2. Backfill, EDUMINE, http://www.edumine.com/xutility/html/menu.asp?category=xcourse&course=X backfill01.

  3. Brackebusch, F.W, 1994. Basics of Paste Backfill Systems, Mining Engineering, 46 (10): 1175-1178.

  4. Benzaazoua, M., Belem, T., Bussiere, B., 2002. Chemical Factors That Influence the Performance of Mine Sulphidic Paste Backfill, Cement and Concrete Research,

  5. Benzaazoua, M., Fall, M., Belem, T., 2004. A Contribution to Understanding the Hardening Process of Cemented Pastefill, Minerals Engineering, 17 (2): 141-

  6. Ercikdi, B., Kesimal, A., Yilmaz, E., Deveci, H., 2003a. Effect of Desliming on the Strength of Paste Backfill, Proceedings of the X Balkan Mineral Processing

  7. Congress, Mineral Processing in the 21 st Century, Varna, Bulgaria, 15-20 June,

  8. Ercikdi, B., Kesimal, A., Yilmaz, E., Kaya, R., 2003b. Parameters Influencing Ore Dilution in Underground Mines, Proceedings of the 3 rd International Conference

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