Aggregate & Soil 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.

PROCEDURETECHNIQUE
AS1141.3.1Sampling – Aggregates
AS1141.3.2Sampling – Rock spalls, boulders and drill core
AS1141.4Bulk density of aggregates
AS1141.5Particle density and water absorption of fine aggregate
AS1141.6.1Particle density and water absorption of coarse aggregate – Weighing-inwater method
AS1141.11.1Particle size distribution – Sieving method
AS1141.12Materials finer than 75 µm in aggregates (by washing)
AS1141.14Particle shape, by proportional caliper
AS1141.15Flakiness index
AS1141.16Angularity number
AS1141.20.1Average least dimension – Direct measurement (nominal size 10mm and greater)
AS1141.20.2Average least dimension – Direct measurement (nominal size 5mm and 7mm)
AS1141.20.3Average least dimension – Calculation (nomograph)
AS1141.21Aggregate crushing value
AS1141.22Wet / dry strength variation
AS1141.23Los Angles value
AS1141.24Sodium Sulfate Soundness
AS1141.30.1Coarse Aggregate Quality – Visual Comparison
AS1141.32Weak particles (including clay lumps, soft and friable particles) in coarse aggregate
AS1141.33Clay and fine silt (settling method)
AS1141.34Organic impurities other than sugar

Soil Testing

PROCEDURETECHNIQUE
AS1289.1.1Sampling and preparation of Soils – Preparation of disturbed soil samples for testing
AS1289.1.2.1Sampling and preparation of Soils – Disturbed samples – Standard method
AS1289.2.1.1Soil moisture content tests – Determination of the moisture content of a soil – Oven drying method (standard method)
AS1289.3.1.1Soil classification tests -Determination of the liquid limit of a soil – Four point Casagrande method
AS1289.3.1.2Soil classification tests -Determination of the liquid limit of a soil – One point Casagrande method (subsidiary method)
AS1289.3.2.1Soil classification tests – Determination of the plastic limit of a soil – Standard method
AS1289.3.3.1Soil classification tests – Calculation of the plasticity index of a soil
AS1289.3.4.1Soil classification tests – Determination of the linear shrinkage of a soil – Standard method
AS1289.3.6.1Soil classification tests – Determination of the particle size distribution of a soil – Standard method of analysis by sieving
AS1289.4.3.1Soil chemical tests – Determination of the pH value of a soil – Electrometric method
AS1289.5.1.1Soil compaction and density tests – Determination of the dry density / moisture content relation of a soil using standard compactive effort
AS1289.5.2.1Soil compaction and density tests – Determination of the dry density / moisture content relation of a soil using modified compactive effort
AS1289.5.4.2Soil compaction and density tests – Compaction control test – Assignment of maximum dry density ratio and optimum moisture content values
TP134Particle Size Distribution – Standard Method of Analysis be Sieving
TP166Assignment of Maximum Dry Density and Optimum Moisture Content Values
TP226Sampling of Soil, Aggregates and Rocks
TP240Elongation Index
TP241Flakiness Index
TP244Percentage Flat Particles

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