2015
DOI: 10.1007/s40891-015-0020-8
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Underground Mine Backfilling in Australia Using Paste Fills and Hydraulic Fills

Abstract: Underground mine backfilling is a form of ground improvement that has to be carried out in the mine sites. The backfilling provides ground support and regional stability, thus facilitating ore removal from nearby regions. The large underground voids created by the ore removal are backfilled with the waste tailings in the form of paste fills, hydraulic fills, and others. The tailings are placed in the form of slurry that undergoes self-weight consolidation. A small dosage of binder is added to paste fill and ce… Show more

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Cited by 64 publications
(36 citation statements)
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“…This binder was selected for its early strength development, which is desirable for backfilling in the permafrost. Considering that mines are using fly ash and slag to partially replace cement with blended cements [5,17,[31][32][33], the second binder agent was, a blend of 80% ground granular blast furnace slag and 20% Type I Portland cement, or general use (GU) (CP I) cement. This blend (hereinafter S-GU) is most often used for mine backfilling due to its advantages in terms of increased strength compared to GU cement alone (e.g., [5,32]).…”
Section: Characteristic Of Tailings Binder and Mixing Watermentioning
confidence: 99%
“…This binder was selected for its early strength development, which is desirable for backfilling in the permafrost. Considering that mines are using fly ash and slag to partially replace cement with blended cements [5,17,[31][32][33], the second binder agent was, a blend of 80% ground granular blast furnace slag and 20% Type I Portland cement, or general use (GU) (CP I) cement. This blend (hereinafter S-GU) is most often used for mine backfilling due to its advantages in terms of increased strength compared to GU cement alone (e.g., [5,32]).…”
Section: Characteristic Of Tailings Binder and Mixing Watermentioning
confidence: 99%
“…These cemented backfills include paste fill, cemented hydraulic fill, cemented aggregate fill and cemented rock fill. Uncemented paste fill is not used in an underground mining operations (Naguleswaran, 2018;Sivakugan et al, 2015).…”
Section: Backfill Materialsmentioning
confidence: 99%
“…Ordinary portland cement is usually used as binder, but cement adds significant cost to the backfill even in small dosages (3-6%), there is a recent trend to use blended cement (Naguleswaran, 2018;Sivakugan et al, 2015).…”
Section: Backfill Materialsmentioning
confidence: 99%
“…CPB is made from tailings that are mixed with a binding agent and water, and it has the consistency of a fine slurry [5]. Typically, CPB contains about 75% -85% by weight tailings, around 3% -6% by weight cement and water to form a dense, pumpable mix.…”
Section: Materials Requirementsmentioning
confidence: 99%
“…One of these methods uses cemented paste backfill (CPB), which has gained worldwide acceptance due to its economic and environmental benefits [5]. CPB is a heterogeneous material made of tailings, water and a hydraulic binder.…”
Section: Introductionmentioning
confidence: 99%