Aggregate Testing
Aggregate & Soil testing is an essential part of the construction industry and Hallett Laboratory delivers an extensive set of testing services for our clients. Our technicians have an extensive skill set and provide assurance that the materials meet the desired specifications.
PROCEDURE
TECHNIQUE
AS1141.3.1
Sampling – Aggregates
AS1141.3.2
Sampling – Rock spalls, boulders and drill core
AS1141.4
Bulk density of aggregates
AS1141.5
Particle density and water absorption of fine aggregate
AS1141.6.1
Particle density and water absorption of coarse aggregate –
Weighing-inwater method
AS1141.11.1
Particle size distribution – Sieving method
AS1141.12
Materials finer than 75 µm in aggregates (by washing)
AS1141.14
Particle shape, by proportional caliper
AS1141.15
Flakiness index
AS1141.16
Angularity number
AS1141.20.1
Average least dimension –
Direct measurement (nominal size 10mm and greater)
AS1141.20.2
Average least dimension –
Direct measurement (nominal size 5mm and 7mm)
AS1141.20.3
Average least dimension – Calculation (nomograph)
AS1141.21
Aggregate crushing value
AS1141.22
Wet / dry strength variation
AS1141.23
Los Angles value
AS1141.24
Sodium Sulfate Soundness
AS1141.30.1
Coarse Aggregate Quality – Visual Comparison
AS1141.32
Weak particles (including clay lumps, soft and friable particles)
in coarse aggregate
AS1141.33
Clay and fine silt (settling method)
AS1141.34
Organic impurities other than sugar
Soil Testing
PROCEDURE
TECHNIQUE
AS1289.1.1
Sampling and preparation of Soils –
Preparation of disturbed soil samples for testing
AS1289.1.2.1
Sampling and preparation of Soils –
Disturbed samples – Standard method
AS1289.2.1.1
Soil moisture content tests –
Determination of the moisture content of a soil –
Oven drying method (standard method)
AS1289.3.1.1
Soil classification tests -Determination of the liquid limit of a soil –
Four point Casagrande method
AS1289.3.1.2
Soil classification tests -Determination of the liquid limit of a soil –
One point Casagrande method (subsidiary method)
AS1289.3.2.1
Soil classification tests – Determination of the plastic limit of a soil –
Standard method
AS1289.3.3.1
Soil classification tests – Calculation of the plasticity index of a soil
AS1289.3.4.1
Soil classification tests – Determination of the linear shrinkage of a soil –
Standard method
AS1289.3.6.1
Soil classification tests – Determination of the particle size distribution
of a soil – Standard method of analysis by sieving
AS1289.4.3.1
Soil chemical tests – Determination of the pH value of a soil –
Electrometric method
AS1289.5.1.1
Soil compaction and density tests – Determination of the dry density /
moisture content relation of a soil using standard compactive effort
AS1289.5.2.1
Soil compaction and density tests – Determination of the dry density /
moisture content relation of a soil using modified compactive effort
AS1289.5.4.2
Soil compaction and density tests – Compaction control test –
Assignment of maximum dry density ratio and optimum
moisture content values
TP134
Particle Size Distribution – Standard Method of Analysis be Sieving
TP166
Assignment of Maximum Dry Density and Optimum Moisture
Content Values
TP226
Sampling of Soil, Aggregates and Rocks
TP240
Elongation Index
TP241
Flakiness Index
TP244
Percentage Flat Particles