Jan 10, 2013 · cemented and uncemented paste backfill, and methods used to predict environmental impacts to surface and ground water quality associated with the application of …

MEND 10.2 Paste Backfill Geochemistry - Environmental Effects of Leaching and Weathering provides a brief summary pertaining to the geochemical characterization of both cemented and …

"This work was done on behalf of MEND and sponsored by: The Mining Association of Canada and MEND."

Jan 1, 2025 · In modern underground mining operations, the use of cemented paste backfill (CPB) as an eco-friendly waste disposal procedure has dramatically increased. CPB has some …

Jul 22, 2010 · Paste backfill is generated from full stream tailings and is almost always placed underground with cement. This paper presents field measurements and back analysis of two …

Use of existing waste (tailings) for structural stability in underground mines. Enhances ability to remove ore pillars. Added costs of cement and pumping. Reduction in volume of tailings …

Based on the catastrophic risk, this thesis provides an investigation into the behaviour of the paste backfill and paste barricades at Red Lake Mine in order to provide a safe, cost effective design …

Apr 1, 2006 · Ce rapport résume brièvement les pratiques qui ont cours actuellement dans la caractérisation géochimique du remblai en pâte cimenté et non cimenté et les méthodes qui …

Cemented paste backfill (CPB) has been widely used as local and regional underground support to reduce host rock wall closure in mined-out areas and also to reduce rockfall and rockburst...

Mar 4, 2017 · This chapter deals an overview of underground paste backfilling, including paste ingredients, backfill plant operations, mixture preparation, backfill reticulation system, paste …

Abstract: Cemented paste is established as a widely used backfill material. Mines using this type of backfill initially use conservative pouring strategies whereby a ‘plug’ is poured to a height …

Cemented paste backfill (CPB) is wildly used in mines production practices around the world. The strength of CPB is the core of research which is affected by factors such as slurry …

May 10, 2018 · Paste backfill is prepared by dewatering flotation tailings from a lead-zinc concentrator. The tailings are partially classified with a hydrocyclone to increase thickening …

4 days ago · Authors: Vasileios Chatziefstratiou; Paul Carmichael; Ben D Thompson; Murray W Grabinsky Presented at: Paste 2025 Paper Abstract. Tight backfilling is recognised as the …

This paper describes the differing range of backfill materials used in underground mines and highlights the merits of paste backfill from various perspectives of value, cost, operations and …

Mar 18, 2018 · The type of backfill (rock fill, slurry fill, or paste fill) used at a mine will be determined by the mine geometry and the materials economically available to produce an …