2017
DOI: 10.1061/(asce)mt.1943-5533.0001848
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Laboratory Study on Strength Development in Cemented Paste Backfills

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Cited by 25 publications
(14 citation statements)
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“…The UCS, as an important mechanical property, demonstrates whether the backfill grouting materials are damaged under loading [ 30 ]. The cylindrical samples with height-diameter ratio 2:1 (36.0 mm in diameter and 72.0 mm in height [ 21 ]) were prepared for measurement.…”
Section: Methodsmentioning
confidence: 99%
“…The UCS, as an important mechanical property, demonstrates whether the backfill grouting materials are damaged under loading [ 30 ]. The cylindrical samples with height-diameter ratio 2:1 (36.0 mm in diameter and 72.0 mm in height [ 21 ]) were prepared for measurement.…”
Section: Methodsmentioning
confidence: 99%
“…Tailings containing sulfide minerals such as pyrite (FeS 2 ) may lose UCS over the long term if general use cement is used [46]. Therefore, cement is partially replaced by pozzolans in backfill to mitigate sulfate attack [46,47].…”
Section: Introductionmentioning
confidence: 99%
“…For example, mine backfill prepared with tailings containing the sulfide mineral pyrite (FeS 2 ) will be prone to sulfate attack, which reduces the unconfined compressive strength (UCS) of the backfill [7]. To mitigate sulfate attack, pozzolans are widely used in mine backfill to partially replace cement [7,8]. In addition, pozzolanic materials lower binder costs, which account for approximately 75% of the operational costs of mine backfilling [9,10].…”
Section: Introductionmentioning
confidence: 99%
“…In addition, pozzolanic materials lower binder costs, which account for approximately 75% of the operational costs of mine backfilling [9,10]. At present, wastes from industrial process that have pozzolanic characteristics are widely available, such as fly ash and granulated blast furnace slag [4,8,11,12]. Additionally, mineral or chemical admixtures are used to modify mine backfill rheological and hydration properties [5].…”
Section: Introductionmentioning
confidence: 99%