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Geotechnical Laboratory

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We provide our clients with fast, detailed, and confidential industry specific testing from our NATA accredited modern geotechnical laboratory.

The Brendale facility is fitted out with new equipment and a temperature-controlled laboratory which covers aggregate, soils dimensional stone specific testing and petrographic analysis.

The laboratory is managed by a professional team with over 40 years of combined experience in laboratory services, whilst our petrographic team comprises over 20 years of hands-on quarry resource evaluation and petrographic knowledge.

Our scope of work includes a range of testing and sampling to AS, QTMR, ASTM, AS/NZS, EN and inhouse methods.

Aggregate Tests Services:

  • Degree of precoat

  • Organic impurities other than sugar

  • Weak particles (including clay lumps, soft and friable particles) in coarse aggregates

  • Clay and fine silt

  • Wet/dry strength variation

  • ACV

  • Particle shape by proportional calliper

  • Average least dimension

  • Materials finer than 75 microns in aggregates (by washing)

  • Flakiness index

  • Bulk density of aggregate (unit mass)

  • Particle size distribution

  • Particle density and water absorption – fine/coarse aggregates

  • Aggregate soundness – evaluation by exposure to sodium sulphate solution

  • Crushed particles in coarse aggregate derived from gravel

  • Degradation factor – source rock and coarse aggregate

  • PAFV Polished aggregate friction value – vertical wheel

  • Point Load

  • Coarse Aggregate Quality by Visual Assessment

  • Acid Solubility

  • Caking

  • Foreign Materials


Soil Tests Service:

  • California bearing ratio (CBR)

  • Maximum density ratio compactions (MDR)

  • Particle size distribution

  • Fines Ratio

  • Atterberg limits

  • Moisture content

  • Emerson Class


Dimensional Stone Services:

  • Water Absorption and Bulk Specific Gravity

  • Modules of Rupture Compressive Strength

  • Flexual Strength of Dimensional Stone

  • Abrasion Resistance

  • Strength of Individual Stone Anchorages in Dimensional Stone

  • Potential to Effloresce / Rust from Free Iron

  • Resistance to Salt Attack

  • Impact Resistance / Rupture Energy

  • Stain Resistance

  • Change of Gloss

  • Thermal Expansion

  • Slip Resistance

Click here to download our scope of tests 

Contact US

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