BS EN 1737-1998 Determination of shear strength of welded joints of reinforcement mats or cages for prefabricated components made of autoclaved aerated concrete or lightweight aggr.pdf
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1、BRITISH STANDARD BS EN 1737:1998 Determination of shear strength of welded joints of reinforcement mats or cages for prefabricated components made of autoclaved aerated concrete or lightweight aggregate concrete with open structure The European Standard EN 1737:1998 has the status of a British Stand
2、ard ICS 91.100.30BSEN1737:1998 This British Standard, having been prepared under the directionof the Sector Board for Building and Civil Engineering, was published under the authorityof the Standards Boardand comes into effect on 15 November 1998 BSI 05-1999 ISBN 0 580 30100 1 National foreword This
3、 British Standard is the English language version of EN 1737:1998. The UK participation in its preparation was entrusted to Technical Committee B/523, Prefabricated components of reinforced autoclaved aerated concrete and lightweight aggregated concrete with open structure, which has the responsibil
4、ity to: aid enquirers to understand the text; present to the responsible European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations
5、 represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Corre
6、spondence Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does no
7、t of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, theEN title page, pages 2 to 6 and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will
8、be indicated in the amendment table on the inside front cover. Amendments issued since publication Amd. No. Date CommentsBSEN1737:1998 BSI 05-1999 i Contents Page National foreword Inside front cover Foreword 2 Text of EN 1737 3ii blankEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 1737 April
9、1998 ICS Descriptors: Concrete, cellular concrete, aggregates, reinforcing materials, prefabricated elements, welded wire lattice, mechanical tests, shear tests, determination, shear strength, test specimen English version Determination of shear strength of welded joints of reinforcement mats or cag
10、es for prefabricated componentsmade of autoclaved aerated concrete orlightweight aggregate concrete with open structure Dtermination de la rsistance au cisaillement des jonctions soudes des treillis ou corbeilles darmatures pour les lments prfabriqus raliss en bton cellulaire autoclav ou en bton de
11、granulats lgers structure ouverte Bestimmung der Bruchscherkraft von Schweiknoten von Betonstahlmatten oder Bewehrungskrben fr vorgefertigte Bauteile aus dampfgehrtetem Porenbeton oder haufwerksporigem Leichtbeton This European Standard was approved by CEN on 25 March 1998. CEN members are bound to
12、comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central
13、 Secretariat or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the
14、 official versions. CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CEN European Committee for Standardizat
15、ion Comit Europen de Normalisation Europisches Komitee fr Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels 1998 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 1737:1998 EEN1737:1998 BSI 05-1999 2 Foreword This Euro
16、pean Standard has been prepared by Technical Committee CEN/TC177, Prefabricated reinforced components of autoclaved aerated concrete or lightweight aggregate concrete with open structure, the secretariat of which is held byDIN. In order to meet the performance requirements as laid down in the produc
17、t standards for prefabricated components of autoclaved aerated concrete and of lightweight aggregate concrete with open structure, a number of standardized test methods are necessary. This European Standard shall be given the status of a national standard, either by publication of an identical text
18、or by endorsement, at the latest by October1998, and conflicting national standards shall be withdrawn at the latest by October1998. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austr
19、ia, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. Contents Page Foreword 2 1 Scope 3 2 Normative references 3 3 Principle 3 4 Apparatus 3 5 Test specimens 3 6
20、Testing procedure 4 7 Test results 4 8 Test report 6 Figure 1 Typical device for testing shear strength of welded joints 4 Figure 2 Typical auxiliary device for testing of joints with a diagonal bar 5 Figure 3 Shape and dimensions of test specimens with welded transverse bars 6 Figure 4 Shape and di
21、mensions of test specimens with welded diagonal bars 6EN1737:1998 BSI 05-1999 3 1 Scope This European Standard specifies a method of determining the shear strength of welded joints in reinforcements intended for use in prefabricated components made of autoclaved aerated concrete (AAC) according to p
22、rEN12602 or lightweight aggregate concrete with open structure (LAC) according to prEN 1520. 2 Normative references This European Standard incorporates by dated or undated reference, provisions from other publications. These normative references are cited at the appropriate places in the text, and t
23、he publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies. prEN
24、 1520, Prefabricated components of lightweight aggregate concrete with open structure. prEN 12602, Prefabricated reinforced components of autoclaved aerated concrete. 3 Principle The shear strength of welded joints is determined on test specimens consisting of a longitudinal bar and a welded transve
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