Construction materials. Alkali-activated cementitious material and concrete. Specification
Construction materials. Alkali-activated cementitious material and concrete. Specification
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What is PAS 8820 - Alkali-activated cementitious material about?
PAS 8820 is applicable to alkali-activated cementitious material that has been developed to fill the gap and encourage the use of AACMs in the construction industry. PAS 8820 is the to specify performance requirements of AACMs and the resulting concretes and to facilitate and encourage their use in construction projects, where appropriate. PAS 8820 specifies the performance requirements for alkali-activated cementitious material comprising aluminosilicate main constituents and an alkali activator. An AACM (including the activator) may contain Portland cement only at a content of less than 5% mass of binder solids and may contain subsidiary constituents not exceeding 25% of the mass of the cementitious material. PAS 8820 also specifies a means of assessing concrete obtained through the use of such cementitious material for performance and durability and sets requirements for the alkali-activating component and the aluminosilicate powder component of these concretes. PAS 8820 is for use by manufacturers of alkali-activated cementitious material, producers of prefabricated concrete elements containing alkali-activated cementitious material and producers of concrete containing alkali-activated cementitious materials which are to be precast, delivered ready-mixed or mixed in situ. PAS 8820
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