Construction Materials Laboratory Testing

agglomerated stone

Agglomerated Stone CE Marking

It has been a mandatory requirement for CE marking agglomerated stone for flooring and walling products in the UK since 1 July 2013. Sandberg offers a comprehensive testing programme…

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Aggregate sample for testing

Aggregate Testing

Sandberg offers physical, mechanical and chemical aggregate testing to determine the properties of aggregate with testing to BS EN Standards, ASTM Standards and superseded BS methods.

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Hardened concrete test specimens

Bricks, Blocks, Flags and Pavers

Sandberg’s Construction Materials Department can carry out mechanical and physical testing for bricks, blocks, paving blocks, flags and kerbs. This page lists a summary of our services.

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Chloride migration test - the cell at the negative terminal being filled with a sodium chloride (NaCl) solution using a syringe.

Chloride Diffusion and Chloride Migration Testing

This article summarises the differences between the Chloride Diffusion and Chloride Migration Tests and their advantages and disadvantages.

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Testing a concrete specimen

Concrete Testing

Concrete testing is one of Sandberg’s core activities. It is loosely covered by four main headings: Physical/Mechanical, Chemical, Visual and Microscopical Examination and Durability.

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Slump test on fresh concrete

Fresh Concrete Testing

From Quality Control and Mix Design assessment to Admixture testing, Sandberg can carry out a comprehensive range of fresh concrete tests.

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Hardened concrete test specimens

Hardened Concrete Testing

Once concrete has hardened it can be subjected to a wide range of tests to prove its ability to perform as planned or to discover its characteristics if its history is unknown.

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Inspection and assessment survey of a masonry arch

Masonry: Assessing Strength and Condition

The strength of existing masonry is frequently required when modifications are to be made to a building. There is no British Standard for testing existing brickwork, however.

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Drying shrinkage cracking in a screed

Screed Testing

Sandberg can assist with screed testing, and specification compliance and has extensive experience in assessing the quality of screed and in carrying out failure investigations.

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Terrazzo tile exhibiting edge spalling

Terrazzo and Agglomerated Stone Floors

Terrazzo and Agglomerated stone flooring is increasingly being used as an alternative to natural stone flooring. Terrazzo tiles are two part (facing and backing) and use cement as a binder; Agglomerated tiles use resin…

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