Services

Laboratory

Backfill Testing Services Laboratory
Newcastle, Australia
BTS_logo
UCS-testing

Opened in 2021 by our Stephen McGrath. Backfill testing services specialises in mine backfill covering testing covering all types of backfill, including:

  • Paste backfill
  • Cemented aggregate fill (CAF)
  • Cemented rock fill (CRF)
  • Cemented hydraulic fill (CHF)

Our services include:

  • Material classification tests such as particle sizing, specific gravity, moisture content, pH, mineralogy (QXRD) and water quality and cement testing
  • Rheology testing and material assessment
  • Static yield using vane technique
  • Shear Viscosity using HAAKE VTiQ Viscometer
  • Conical slump, Boger (cylindrical) slump and Warman slump (pumping)
  • Dewatering testing – Filtration and Thickening
  • Flocculation screening, consolidation and settling tests
  • Thickened tailings transportation assessment
  • Uniaxial Compression Strength (UCS) test
  • Desliming by way of cyclone classification
  • Permeability testing
  • Surface tailings disposal testing
  • Triaxial testing – Consolidated Drained (CD), Consolidated Undrained (CU), Unconsolidated and Undrained (UU)
  • Flexural testing and advanced geotechnical testing
Mineral and Mine Backfill Technologies Laboratory
Belgrade, Serbia
mmbt-logo

Our new European laboratory opened in late 2020. This laboratory primarily services clients in Europe, Africa, Asia and Russia. Our services include:

  • Basic classification tests such as particle sizing and specific gravity
  • Mineralogy and clay mineralogy by XRD and XRF
  • Cyclone classification and desliming
  • Permeability
  • Paste rheology with HAAKE iQ rheometer (Yield Stress and Viscosity)
  • Paste slump measurements with ASTM slump cone
  • Paste slump measurements with a Boger cylinder
  • Paste bleed testing
  • Batching and testing of 2×4 or 3×6 paste cylinders in accordance with ASTM C39
  • Cement quality testing and vicat curing tests
  • Water quality testing including pH, conductivity and chemistry
Lafarge Concrete Testing Laboratory
Seattle, USA
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Under an agreement with Lafarge Holcim, MineFill Services is able to offer a complete suite of backfill testing services aimed at cemented rockfills and paste fills. Our services include:

  • Cemented rockfill aggregate grading
  • Batching and testing of 6×12 CRF cylinders in accordance with ASTM C39
  • Paste rheology with HAAKE iQ rheometer (Yield Stress and Viscosity)
  • Paste slump measurements with ASTM slump cone
  • Paste slump measurements with a Boger cylinder
  • Paste bleed testing
  • Batching and testing of 2×4 or 3×6 paste cylinders in accordance with ASTM C39