Laboratory

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