19/30378660 DC - BS ISO 22904. Additions for concrete

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19/30378660 DC

BS ISO 22904. Additions for concrete

Status : Current, Draft for public comment   Published : May 2019



This document specifies requirements for the properties for silica fume, siliceous fly ash and ground granulated blastfurnace slag for use as a type II addition for production of concrete conforming to ISO 22965. Additions according to this document may also be used in mortars and grouts.

This International Standard applies to the silica fume which is a by-product of the smelting process used to produce silicon metal and ferro-silicon alloys.

Fly ash produced with other types or higher percentages of co-combustion materials than those provided for in this document is outside the scope of this document.

Ground granulated blastfurnace slag containing any added materials other than grinding aids, is not within the scope of this document.

It is not within the scope of this document to specify provisions governing the practical application of additions in the production of concrete, mortar or grout, i.e. requirements concerning composition, mixing, placing, curing etc.


Some rules are given in ISO 22965.

Standard Number19/30378660 DC
TitleBS ISO 22904. Additions for concrete
StatusCurrent, Draft for public comment
Publication Date28 May 2019
Cross ReferencesISO 10694, ISO 9277, ISO 29581-2, ISO 29581-1, EN 933-10, ISO 19596, EN 451-2, EN 196-6, ISO 9286, ISO 11885, ISO 16559, EN 451-1, EN 196-3, EN 196-7, EN 197-1, ISO 22965-2, ISO 22965-1, ISO 679, ISO 20290-1, EN 196-2, ISO 9597, EN 1015-3:1999, EN 413-2:2005, ISO 8930:1987, ISO/IEC GUIDE 2:2004, ISO 3534-1:2006, ISO 9000:2015
International RelationshipsISO/DIS 22904
Draft Expiry Date17 July 2019
DescriptorsCompressive strength, Concretes, Test methods, Properties, Aggregates
Title in FrenchAjout pour béton
File Size473 KB
NotesWarning: this draft is not current beyond its expiry date for comments.

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