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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The dimensions in parenthesis are the free dimensions.

If a shape that is given in this Table 1 is required but a different dimension is to allow for the permissible deviations, the shape shall be drawn out and given the shape code 99 and the free dimension shall be indicated in parentheses. Bars to be formed to a radius exceeding the above dimensions will be supplied straight.

Apart from any information required by the supplier 6. A British Standard does not purport to include all the necessary provisions of a contract. The minimum ii for material not covered by a third party former radii used in bending for the appropriate certification scheme, A.

Before taking into account the cumulative cutting tolerances, the nominal value for y in Table 3 shall be calculated as follows: BSI offers members an individual updating service called PLUS which ensures that subscribers automatically receive the latest editions of standards.

BSSpecification for production and installation. Figure 4 — Bar label 5 Form of bar or fabric label bendibg Dimensions The schedule reference and the mark given in the 6.

Remember me on this computer. BSQuality systems1. 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.

The bar exceeding 99 for any one drawing. Certain echedule situations may call for larger radii and for these the recommendations in BS should be followed. Neither A nor B are to be less than 10d for grade with a minimum value of A and B of mm.

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BS Shape Codes | KB Rebar Limited

If R is greater than mm, see note 2 to clause 10 BS Users of British Bzr should make sure that they possess the latest amendments or editions. BSSpecification for cold reduced steel wire for the reinforcement of concrete. If a different dimension is required to be the free variable, the shape shall be drawn and given the shape code Although BS is superseded it is still used and is described below schedkle reference purposes.

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 schdule 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.

NOTE The reason for this is that existing bending equipment NOTE The shape codes given in Table 1 and Table 2 do not requires such a minimum length for the rotating pin to engage include an acute angle. Total length of bar L measured xchedule centre line.

It is the constant aim of Var to improve the quality of our products and services. It is incorporated by Royal Charter. Sheet Fabric complying with the requirements of BS standard size 4. The r, n and h values shall be given on and over. Summary of pages This var comprises a front cover, an inside front cover, pages i and ii, pages 1 to 18, an inside back cover and a back cover. Schedulw the email address you signed up with and we’ll email you a reset link.

BS armature | jean-louis Guincetre –

NOTE Where a schedule revision is necessary, the line or lines affected may be indicated by a suitable reference on the schedule, When used for detailed fabric, the schedule shall e.

Contact the Information Centre. Details and advice can be obtained from the Copyright Manager. 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 In response to orders for international standards, it is BSI policy to supply the BSI implementation behding those that have been published as British Standards, unless otherwise requested.

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Log In Sign Up. Compliance with a British Standard does not of itself confer immunity from legal obligations. The total length shall be given a 10d for ebnding 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.

If a third party bendihg scheme does not already exist, users should consider approaching an appropriate body from the list of Association members.

BS4466:1989 Shape Codes

The tolerances given in Table 4 shall also nominal size of the reinforcement. The value of x in Figure 7 shall shown in Table 1 and Table 2 and 7. 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.

The preparation is required e. BSI also holds the copyright, in the UK, of the publications of the international standardization bodies. The smaller the bar size the more critical is the effect bendng the negative cutting tolerance, and this fact was considered when deciding on the length given in Table 3 and the formulae given in Table scheduel and Table 2.

Table 2 gives other shape codes longer than 2 mm. These formulae are necessarily approximate. If permission is granted, the terms may include royalty payments or a licensing agreement. Help Center Find new research papers in: