How to prevent and assess defects?

Edge strength of concrete products –

Frequently occurring defects on concrete block ­pavements

Many of the claims that arise in connection with concrete block pavements are concentrated on very few causes of damage. Among them, aside from shifting paving blocks and the rutting that occurs as a result, are the following:

Chipping on the corners and edges of blocks

Scaling of the concrete owing to the action of frost and de-icing salt

Efflorescence on the paving blocks

Discoloration of paving blocks caused by joint materials, and

Discolorations over the entire block surfaces, or in isolated areas, and differences in color between the...

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