We are leading in Aggregate & Rock Testing

Lab test
Environmental labs

Aggregate & Rock Testing

Aggregates have been a key component in construction since the time of the Egyptian pyramids. Today, they play a vital role in the production of concrete, asphalt, and road construction. Aggregates come from two main sources: primary and secondary. Primary aggregates are naturally occurring materials, such as limestone, granite, and alluvial sands and gravels, that have been excavated and processed for construction use.

Secondary aggregates are sourced from recycled materials, including crushed concrete, crushed brick, glass, and bituminous road planings. To ensure quality and performance, all aggregates undergo rigorous laboratory testing for physical, mechanical, and chemical properties. These tests confirm compliance with industry standards, ensuring materials are fit for purpose and minimising risk throughout a project’s lifespan.

To supplement aggregate testing the lab is able to provide rock testing to ISRM publication to determine rock strength, density, water content to help engineers design and build foundations.

Why choose Normec?

  • At Normec i2 Analytical, we have the facilities and technical expertise to provide a comprehensive testing service to all aspects of construction design and implementation use of Aggregates and Rock.

Internal fleet

Our internal fleet of vans allow us to collect and distribute large volumes of aggreagtes and rock cores to our testing facilities. this allows full compliance to minimim masses and rock core lengths to be adhered to.

Our UKAS accredited laboratory can carry out testing to British and European Standards including the following:

Test

Standard

UKAS Accredited Test

Water Content

BS EN 1097-5-2008

Yes

Grading Analysis - Wet

BS EN 933-1-2012

Yes

Grading Analysis - Dry

BS EN 933-1-2012

Yes

Constituent Parts

BS EN 933-11-2009

Yes

Flakiness Index

BS EN 933-3-2012

Yes

Shape Index

BS EN 933-4-2008

Yes

Crushed & Broken Surfaces

BS EN 933-5-2022

Yes

Micro Deval

BS EN 1097-1-2011

Yes

Los Angeles Coefficient

BS EN 1097-2-2020

Yes

Water Absorption & Particle Density (particles 31.5mm to 63mm)

BS EN 1097-6-2022

Yes

Water Absorption & Particle Density (particles 4mm to 31.5mm)

BS EN 1097-6-2022

Yes

Water Absorption & Particle Density (particles 0.063 to 4mm)

BS EN 1097-6-2022

Yes

Loose Bulk Density & Voids

BS EN 1097-3-1998

Yes

Magnesium Sulphate Soundness Value

BS EN 1367-2-2009

Yes

Laboratory Reference Density

BS EN 13826-2021

Yes

Aggregate Crushing Value

BS 812-111-990

No

Ten Percent Fines Value

BS 812-110-1990

No

Frost Heave

BS 812-124-2009

Yes

Point load

ISRM

Yes

Uniaxial Compressive Strength (UCS)

ISRM

Yes

Slake Durability

ISRM

None

Water Content

ISRM

Yes

Accreditations

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