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Proprietary - ready-mixed concrete

British Standard BS 8500-1: has been used by the ready-mixed concrete industry since December 2003 (replacing BS 5328).

The proprietary concrete approach is appropriate where the concrete is to achieve a particular performance, using defined test methods outside the normal performance criteria. The proprietary concrete is selected in consultation with the concrete producer and the project specification is appropriately drafted.


Acknowledgement: The Concrete Society