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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Compliance with a British Standard does not of itself confer immunity from legal obligations. Shape Code 65 A These bars will be supplied straight when the radius is greater than that given in table 5 bbending BS Note, unless A is small relative to d, this shape is fabricated in a closed form and pulled to shape on site.
If R is greater than mm, see note 2 to clause 10 BS Contact the Information Bendung. For details of these and other benefits contact Membership Administration. If permission is granted, the terms may include royalty payments or a licensing agreement. Information on standards BSI provides a wide range of information on national, European and international standards gending its Library and its Technical Help to Exporters Service.
These formulae are necessarily approximate. BSSpecification for cold reduced steel wire for the reinforcement of concrete. It is incorporated by Royal Charter.
BS armature | jean-louis Guincetre –
Bendijg giving this length on the schedule, due consideration should be given to the When dimensioning an acute angle the tangential possibility of negative cutting tolerances up to 25 mm reducing lines shown in Figure 5 shall be used. Users of British Standards should make sure that they possess the latest amendments or editions.
Enter the email schsdule you signed up with and we’ll email you a reset link. The smaller the bar size the more critical is the effect of the negative cutting tolerance, and this fact was considered when deciding on the length given in Table 3 and the formulae given in Table 1 and Table 2.
If a third party certification scheme does not already exist, users should consider approaching an appropriate body from the list of Association members. A formal operative approval and testing system shall be implemented and operatives shall 12 Fabrication and routine inspection have been certified by the fabricator as having achieved minimum standards of competence. NOTE 1 r indicates the minimum value in Table 3. Help Center Find new research papers in: BSSpecification for sizes of paper and board.
To avoid separate equations for each steel grade and bending radius, simplified total benxing formulae are used for shape codes 61, 77, 78, 79 and For computer produced schedules, the column 4. NOTE 1 The required curvature may be obtained during placing. 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.
The test unit shall ii The type and size of the specimens and the be deemed to comply with this standard if no more type and size given on the schedule see 4. 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. Table 3 — 4466 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 scedule 32 48 9 27 scedule 40 60 10 30 25 50 12 36 32 scherule — — — — 40 80 — — — — 50a — — — — NOTE 1 The use of hooks as end anchorages is not normally necessary with deformed bars.
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BS4466:1989 Shape Codes
BSSpecification for production and installation. Figure 4 — Bar label 5 Form of bar or fabric label 6 Dimensions The schedule reference and the mark given in the 6. Apart from any information required by bqr supplier 6. NOTE There are three categories of fabric as defined in 2. Skip to main content.
BS Shape Codes | KB Rebar Limited
The dimensions in parenthesis are the free dimensions Note 3. Buying standards Orders for all BSI, international and foreign standards publications should be scheduls to Customer Services.
NOTE 2 For shapes with straight and curved lengths e. NOTE 3 To avoid separate equations for each steel grade and bending nending, simplified total length formulae are used for shape codes 61 and NOTE 3 Schedulr avoid separate equations for each steel grade and bending radius simplified total length formulae are used for shape codes 77, 78 and BSI offers members an individual updating service called PLUS which ensures that subscribers automatically receive the svhedule editions of standards.
The tolerances given in Table 4 also apply. The third party certification authority shall assess iv The length of the specimens and the length the long term consistency of production fabrication given on the schedule see clause 9. Method of measurement of bending dimensions. BSQuality systems1. Telephone These radii are the minimum radii of the formers for material complying with the relevant British standard.
Sdhedule taking into account the cumulative cutting tolerances, the nominal value for y in Table 3 shall be calculated as follows: The tolerances Routine inspection shall be carried out in given in Table 4 shall apply to each length. Sheet Fabric complying with the requirements of BS standard size 4. The tolerances given in Table 4 shall also nominal size of the reinforcement.
It presents the UK view on standards in Europe and at the international level. BSCode of practice for design and construction. If a different dimension is required to be the free variable, the shape shall be drawn and given the shape code To establish a clear and unambiguous system for scheduling, it is necessary to specify the method bennding indicating dimensions and the order ba which the information is given on the schedule.
Enquiries as to the availability of third party certification schemes and of competent test laboratories will be forwarded by BSI to the Association of Certification Bodies.
Shape Code 20 A. BSRecommendations for general principles.