BAR BENDING SCHEDULE BS 4466 PDF

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2. bending and cutting of a factory-made product of welded bars or wires steel PDF Compressor Pro BS 4 Form of schedule The first three. BS – Measurement of bending dimensions – Method of measurement of bending dimensions. Total length of bar (L) measured . schedule columns. 4 Form of schedule. 5 Form of bar or fabric label. 6 Dimensions. 7 Scheduling. B Bends and hooks. 9 Tolerances on cutting and bending.

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Telephone Product testing and certification. The total length shall be given a 10d for grade material; and, unless there is an end anchorage bend or hook, b 12d for grade material not exceeding sizes one bending dimension, preferably an end of 20 mm; dimension, shall be indicated in parentheses as the free dimension to allow for the permissible c 14d for grade material in sizes of 25 mm deviations.

Table 2 gives other shape benidng longer than 2 mm.

BS armature | jean-louis Guincetre –

Every dimension that is to allow for the permissable deviations shall be indicated in parenthesis, otherwise the fabricator is free to choose which dimension shall allow for the tolerance.

Table 3 — Minimum former radii, bend and hook allowances Bar Type and grade R and type and Type and grade T and type and Fabric complying with BS size grade S grade S d r n h r n h d r n h 6 a 12 18 5 15 8 16 24 6 18 10 20 30 7 21 12 24 36 8 24 16 32 48 9 27 20 40 60 10 30 25 50 12 36 32 64 — — — — 40 80 — — — — 50a — — — — NOTE 1 The use of hooks as end anchorages is not normally necessary with deformed bars.

If permission is granted, the terms may include royalty payments or a licensing agreement. There shall be at least two full turns in the helix.

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A British Standard does not purport to include all the necessary provisions of a contract. Every dimension shall be specified and the dimension that is to allow for the permissible deviations shall be indicated in parentheses, otherwise the fabricator is free to choose which dimension shall allow for the tolerance.

For computer produced schedules, the column 4. These radii are the minimum radii of the formers for material complying with the relevant British standard.

The minimum ii for material not covered by a third party former radii used in bending for the appropriate certification scheme, A. NOTE The titles of publications referred to in this standard are listed on the inside back cover.

BSSpecification for production and installation. We would be grateful if anyone finding an inaccuracy or ambiguity while using this British Standard would inform the Secretary of the technical committee responsible, the identity of which can be found on the inside front cover. NOTE Normally the total length should not exceed 12 m, although longer lengths may be obtained by special arrangement Shapes that do not have a specific shape code with the supplier.

Figure 4 shows an example of a bar label, which 6. Users of British Standards are responsible for their correct application.

A formal operative approval and testing system shall be implemented and bedning shall 12 Fabrication and routine inspection have been certified by the fabricator as having achieved minimum standards of competence. To avoid separate equations for each steel grade and bending radius, simplified total length formulae are used for shape codes 61, 77, 78, 79 and The tolerances given in Table 4 also apply.

Sheet with unequal overhangs. The preparation is required e. For cutting and bending purposes, schedules shall be provided on separate sheets of paper of size A4 of Drawing Schedule Revision BS and not as part of the detailed Bar schedule reinforcement drawings. It presents the UK view on standards in Europe and at bemding international level.

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Note, unless A is small relative to d, this shape is fabricated in a closed form and pulled to shape on site. Summary of pages This document comprises a front cover, an bening front cover, pages i and ii, pages 1 to 18, an inside back cover and a back cover.

The tolerances given in Table 4 shall also nominal size of the reinforcement. There shall be at least two full turns in the helix. BSQuality systems1. If these details are to be used for any other purpose than implementation then the prior written permission of BSI must be obtained. The r, schhedule and h values shall be given on and over. This will be indicated in the amendment table on the inside front cover. Apart from any information required by the supplier 6.

Skip to main content. Various BSI electronic information services are also available which give details on all its products and services.

BS4466:1989 Shape Codes

Before taking into account the bqr cutting tolerances, the nominal value for y in Table 3 shall be calculated as follows: NOTE 3 To avoid separate equations for each steel grade and bending radius simplified scheduule length formulae are used for shape codes 77, 78 and Log In Sign Up.

It should be borne in mind that special precautions such as reducing the speed of bending or increasing the radius of bending may necessary in cold weather. BSI also holds the copyright, in the UK, of the publications of the international standardization bodies.