Aggregate Testing

Douglas Partners can provide aggregate testing for quarry production and quality assurance conformance to a range of specifications for pavement gravels, drainage materials, asphalt materials and concrete mixes.

We can undertake testing for size, shape, durability, strength,  density and chemical.

Services offered include:

  • Sampling
  • Sieve Analysis
  • Average Least Dimension
  • Clay & Fine Silt Content
  • Flakiness Index
  • Fractured Faces
  • Friable Particles
  • Los Angeles Abrasion Value
  • Material Finer than 75µm
  • Maximum Dry Compressive Strength
  • Organic Impurities Other than Sugar
  • Particle Shape (proportional caliper)
  • Particle Density and Water Absorption
  • Sodium Sulfate Soundness
  • Weak Particles
  • Organic Impurities Other than Sugar
  • Unit Mass (loose + compacted)
  • Bulk Density
  • Wet / Dry Strength Variation
  • Aggregate Crushing Value
  • Slake Durability