BS EN 16622 is the European standard on concrete that provides strength, durability, and versatility during the construction of a structure.
BS EN 16622 applies to the silica-calcium fume (SCF) which is a by-product of the carbothermal process used to produce silica-calcium alloys.
BS EN 16622 gives requirements for chemical and physical properties for SCF to be used as a type II addition in concrete conforming to EN 206, or in mortars, grouts and other mixes.
BS EN 16622 also states conformity criteria and related rules.
BS EN 16622 does not give rules for the use of SCF in concrete. Some general rules for the use of type II additions are given in EN 206.
BS EN 16622 on silica-calcium fume for concrete is useful for:
Silica-calcium fume (SCF) is a very fine particle of amorphous silicon dioxide and dicalcium silicate collected as a by-product of the carbothermal process used to produce silica-calcium alloys.
BS EN 16622 navigates you through the verification and declaration on the release of dangerous substances and emission measures of radioactivity when constructing concrete products.
The chemical and physical characteristics of silica-calcium fume for concrete are specified in BS EN 16622.
BS EN 16622 provides assessment and verification of constancy of performance (AVCP) with the compliance of silica-calcium fume for concrete (SCF) with the requirements and the performances determination of the product type by type testing and factory production control.
Packaging, labelling and marking of silica-calcium fume for concrete are outlined in BS EN 16622.
BS EN 16622 specifies the general compliance criteria of SCF with the requirements for physical and chemical properties.
Overall, BS EN 16622 guides you in the production and addition of silica-calcium fume to concrete that improves the latter's durability by reducing permeability and refining pore structure, leading to a reduction in the diffusion of harmful ions and the calcium hydroxide content, resulting in greater resistance to sulfate attack.
As a result, silica-calcium fumes are used in concrete for various types of structures due to their structural compressive strength, bond strength, stability and durability.
EN 16622:2015