Material Testing Services

Aggregates

Our aggregate testing services help clients verify that sand, gravel, and crushed stone meet the required grading, strength, and quality standards for construction use. By carrying out representative sampling and detailed laboratory testing, Amtest helps ensure aggregates are suitable for use in concrete, asphalt, and other construction applications.

(View our UKAS Schedule of Accreditation)

Constituents of Course Recycled Aggregates

Ensure the quality and compliance of recycled aggregates with our constituents analysis, supporting sustainable and reliable construction practices.
BS EN 933-11:2009
Aggregates
UKAS Accredited
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Dynamic Cone Penetration (TRL-DCP)

Rapid measurement of the in-situ strength of existing flexible pavements constructed with unbound materials.
DMRB, CS 229 Data for Pavement Assessment Rev.0: 2020
Aggregates
UKAS Accredited
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Grading of Soils

The Grading of Soils test determines particle size distribution to assess soil suitability for construction, including compaction and permeability properties.
Aggregates
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In-Situ Bulk Density Nuclear Method

The in-situ bulk density nuclear method ensures soil compaction meets construction standards by measuring density and moisture directly on-site.
BS 1377-9:1990
Aggregates
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In-Situ California Bearing Ratio (CBR)

Penetration of soil with a plunger over a standard area. The harder the surface, the higher the CBR percentage.
Aggregates
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Laboratory California Bearing Ratio CBR

Penetration of soil with a plunger over a standard area in the lab. The harder the surface, the higher the CBR percentage.
BS 1377-2:2022
Aggregates
UKAS Accredited
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Particle Size Distribution

Determination of particle size distribution of aggregates using sieving in accordance with BS EN 933-1:2012.
BS EN 933-1:2012
Aggregates
UKAS Accredited
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Plastic Limit

Determination of the plastic limit of fine-grained soils in accordance with BS EN ISO 17892-12:2018+A2:2022.
BS EN ISO 17892-12:2018+A2:2022
Aggregates
UKAS Accredited
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Plasticity Index

A higher Plasticity Index indicates a greater range of water content where soil remains plastic, signifying higher compressibility and potential for settlement.
BS EN ISO 17892-12:2018+A2:2022
Aggregates
UKAS Accredited
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Resistance to Fragmentation – Los Angeles Test

Subjects a coarse aggregate sample to abrasion, impact, and grinding.
BS EN 1097-2:2020
Aggregates
UKAS Accredited
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