Stevenson Laboratory specialises in bulk testing of quarry aggregate products used in the following applications Concrete Aggregates, Sealing Chip, Roading Sub Basecourse, Basecourse, Hard Fill, Rail Ballast, Substation Basecourse, Subgrade Improvement Layers, Maintenance Metal, Modified or Stabilised Aggregates, Mortar Sands, Drainage Aggregates and Filter Media.

Typical Production and Source Property Testing That We Provide ~

Sieve Analysis or Particle Size Distribution
Sand Equivalent
Clay Index
Plasticity Index
Water Content
Cleanness Value
NZ Vibrating Hammer Compaction
Unconfined Compression Test (UCS)
Indirect Tensile Strength (ITS)
Crushing Resistance
Weathering Quality Index
Size and Shape
Broken Faces
California Bearing Ratio (CBR)
Organic Matter Content
Flatness & Elongation (Particle Shape)
Solid Density of Aggregate Particles
Unit Mass & Voids Content
Light Weight Particles in Aggregate
Voids, Flow Time and % Oversize – Sand
Density & Absorption of Concrete Aggregates
Flakiness Index
Los Angeles

Don’t see what you’re looking for? We can source testing from other Laboratories if required.