Testing concrete - Procedure and terminology for the petrographic examination of hardened concrete Ingestion-build-89079 Who is ISO 2540 –

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Testing concrete - Procedure and terminology for the petrographic examination of hardened concrete Ingestion-build-89079 Who is ISO 2540 –What is BS 1881 211 Petrographic examination of hardened concrete about? BS 1881 211 is a British standard on concrete production and testing that gives a method for the petrographic examination of hardened concrete. BS 1881 211 is the 211th part of the BS 1881 series of documents that describes procedures and terminology for the examination of hardened concrete and mortar. The procedures are intended to be performed by an appropriately qualified or