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Fabric Reinforcement

Fabric (to BS 4483 Steel fabric for the reinforcement of concrete) consists of high yield steel bars welded together to form a mat. Standard fabrics are available in a range of fabric dimensions as shown in the Table, with a range of bar diameters.

Prefix letter	Type of fabric	Size of fabric mm x mm	Usual applications
A	Square fabric	200 x 200	Slabs - suspended and on ground
B	Structural	100 x 200	Suspended slabs
C	Long fabric	100 x 400	Roads, paved areas, ground floor slabs
D	Wrapping	100 x 100	Sprayed concrete and wrapping structural steelwork for encasing in concrete

Standards sheet sizes are 2.4m wide by 4.8 m long. Smaller sheets (2.0m by 3.6m) are available from builders merchants. Special fabrics, consisting of any combination of reinforcement sizes, pitches, widths and lengths to suit a particular customer’s needs, are also available. Fabrics can be factory bent to shapes to suit customer’s needs; it will generally not be appropriate to bend fabric on site.

For further information see The CARES Guide to Reinforcing Steels, Part 5, Welded Fabric, which is available from www.ukcares.com or can be ordered by e-mail from general@ukcares.com.

Acknowledgement: The Concrete Society

Other references:CARES Guide to Reinforcing Steels Part 5, Welded Fabric

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TR53 Towards rationalising reinforcement for concrete structures

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