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本文(BS EN 432-1994 Resilient floor coverings - Determination of shear force《弹性地板覆盖物 剪切力的测定》.pdf)为本站会员(testyield361)主动上传,麦多课文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

BS EN 432-1994 Resilient floor coverings - Determination of shear force《弹性地板覆盖物 剪切力的测定》.pdf

1、BRITISHSTANDARD BS EN 432:1994 Resilient floor coverings Determination of shear force The European Standard EN432:1994 has the status of a BritishStandard UDC698.7:692.535.6:645.13:620.176BSEN432:1994 This BritishStandard, having been prepared under the directionof the Plastics and Rubber Standards

2、Policy Committee, was published underthe authority oftheStandards Board and comes into effect on 15 November1994 BSI01-2000 The following BSI references relate to the work on this standard: Committee reference PRM/60 Draft for comment91/35307DC ISBN 0 580 23107 0 Cooperating organizations The Europe

3、an Committee for Standardization (CEN), under whose supervision this European Standard was prepared, comprises the national standards organizations of the following countries: Austria Oesterreichisches Normungsinstitut Belgium Institut belge de normalisation Denmark Dansk Standard Finland Suomen Sta

4、ndardisoimisliito, r.y. France Association franaise de normalisation Germany Deutsches Institut fr Normung e.V. Greece Hellenic Organization for Standardization Iceland Technological Institute of Iceland Ireland National Standards Authority of Ireland Italy Ente Nazionale Italiano di Unificazione Lu

5、xembourg Inspection du Travail et des Mines Netherlands Nederlands Normalisatie-instituut Norway Norges Standardiseringsforbund Portugal Instituto Portugus da Qualidade Spain Asociacin Espaola de Normalizacin y Certificacin Sweden Standardiseringskommissionen i Sverige Switzerland Association suisse

6、 de normalisation UnitedKingdom BritishStandards Institution Amendments issued since publication Amd. No. Date CommentsBSEN432:1994 BSI 01-2000 i Contents Page Cooperating organizations Inside front cover National foreword ii Foreword 2 1 Scope 3 2 Definition 3 3 Principle 3 4 Apparatus and material

7、 3 5 Sampling and preparation, of test pieces 3 6 Conditioning 3 7 Procedure 3 8 Calculation and expression of results 3 9 Test report 3 National annex NA (informative) Committees responsible Inside back coverBSEN432:1994 ii BSI 01-2000 National foreword This BritishStandard has been prepared under

8、the direction of the Plastics and Rubber Standards Policy Committee and is the English language version of EN432:1994 Resilient floor coverings Determination of shear force, published by the European Committee for Standardization (CEN). EN432 was produced as a result of European discussions in which

9、 the UnitedKingdom took an active part. 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 not of itself confer immunity from legal obligations. S

10、ummary of pages This document comprises a front cover, an inside front cover, pagesi andii, theEN title page, pages2 to4, an inside back cover and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table

11、 on the inside front cover.EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN432 August1994 UDC698.7:692.535.6:645.13:620.176 Descriptors: Floor coverings, textile floor coverings, tests, determination, shear strength English version Resilient floor coverings Determination of shear force Revtments

12、 de sol rsilients Dtermination de la force au cisaillement Elastische Bodenbelge Bestimmung der Scherkraft This European Standard was approved by CEN on1994-08-22. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standa

13、rd 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 Secretariat or to any CEN member. This European Standard exists in three official versions (English, French, G

14、erman). 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 official versions. CEN members are the national standards bodies of Austria, Belgium, Denmark, Finland, France

15、, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and UnitedKingdom. CEN European Committee for Standardization Comit Europen de Normalisation Europisches Komitee fr Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels 1994

16、Copyright reserved to CEN members Ref.No.EN432:1994EEN432:1994 BSI 01-2000 2 Foreword This European Standard was prepared by Technical Committee CEN/TC134, Resilient and textile floorcoverings, the Secretariat of which is held by BSI. This document was submitted to the formal vote and approved. This

17、 European Standard shall be given the status ofa national standard, either by publication of an identical text or by endorsement, at the latest by February1995, and conflicting national standards shall be withdrawn at the latest by February1995. In accordance with the CEN/CENELEC Internal Regulation

18、s the following countries are bound to implement this European Standard: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and UnitedKingdom.EN432:1994 BSI 01-2000 3 1 Scope This European Standa

19、rd specifies a method for determining the shear force of layers of a resilient floor covering. 2 Definition For the purposes of this standard, the following definition applies. shear force the force applied parallel to a resilient floor covering which causes separation between or in its layers 3 Pri

20、nciple A test piece is struck between two plates such that an overlap of2000mm 2shear surface is obtained. The test piece is then torn parallel to the surface of the plates, in a tensile testing machine. 4 Apparatus and material 4.1 Apparatus 4.1.1 Rigid plates, e.g.plywood, metal, of minimum dimens

21、ions100mm 50min. 4.1.2 A tensile testing machine with suitable load cell and recording device. 4.2 Material 4.2.1 Adhesive(s), which shall not penetrate deeply into the integral backing or alter the constituents of the test piece, e.g.two part epoxy adhesive. 5 Sampling and preparation of test piece

22、s Take a representative sample from the available material. Take six test pieces at equal distances from the sample, the distance between the outer edge of the sample and the nearest edge of the test piece being at least100mm, each of minimum length100mm and width (50 1)mm, three in the machine dire

23、ction and three in the transverse direction. Stick one plate to the whole of the surface layer of the test piece. Apply adhesive to the end40mm of the second plate. Stick the plate to the reverse side of the test piece, with a contact area of2000mm 2 , i.e.40mm 50mm. 6 Conditioning Condition the tes

24、t pieces and plates at a temperature of (23 2) C and relative humidity of(50 5)% for a minimum of24h. Maintain these conditions when carrying out the test. 7 Procedure Use wedges between the jaws and the test piece to ensure that the direction of tensile stress exerted is parallel to the surface of

25、the test piece. Apply the force and increase it by moving the jaws at a constant speed of(100 5) mm/min until complete separation has occurred. Record the maximum force. If adhesive failure is observed, repeat the test. 8 Calculation and expression of results Calculate the mean of the shear force in

26、 each direction. Express the results in newtons to the nearest one newton. 9 Test report The test report shall contain the following information: a) a reference to this standard, i.e.EN432; b) a complete identification of the product tested, including type, source, colour and manufacturers reference

27、 numbers; c) previous history of the sample; d) the mean value for shear force in each direction; e) if adhesive failure occurred; f) any deviation from this standard which may have affected the results.4 blankBSEN432:1994 BSI 01-2000 National annex NA (informative) Committees responsible The United

28、Kingdom participation in the preparation of this European Standard was entrusted by the Plastics and Rubber Standards Policy Committee (PRM/-) to Technical Committee PRM/60 upon which thefollowing bodies were represented: British Adhesives and Sealants Association British Board of Agrement British F

29、loor Covering Manufacturers Association British Railways Board British Rubber Manufacturers Association Ltd. Consumer Policy Committee of BSI Contract Flooring Association Cork Industry Federation Department of the Environment (Building Research Establishment) Federation of Plastering and Drywall Co

30、ntractors Health Care Supplies South West Royal Institute of British ArchitectsBS EN 432:1994 BSI 389 Chiswick High Road London W4 4AL BSIBritishStandardsInstitution BSI is the independent national body responsible for preparing BritishStandards. It presents the UK view on standards in Europe and at

31、 the international level. It is incorporated by Royal Charter. Revisions BritishStandards are updated by amendment or revision. Users of BritishStandards should make sure that they possess the latest amendments or editions. It is the constant aim of BSI to improve the quality of our products and ser

32、vices. We would be grateful if anyone finding an inaccuracy or ambiguity while using this BritishStandard would inform the Secretary of the technical committee responsible, the identity of which can be found on the inside front cover. Tel:02089969000. Fax:02089967400. BSI offers members an individua

33、l updating service called PLUS which ensures that subscribers automatically receive the latest editions of standards. Buying standards Orders for all BSI, international and foreign standards publications should be addressed to Customer Services. Tel:02089969001. Fax:02089967001. In response to order

34、s for international standards, it is BSI policy to supply the BSI implementation of those that have been published as BritishStandards, unless otherwise requested. Information on standards BSI provides a wide range of information on national, European and international standards through its Library

35、and its Technical Help to Exporters Service. Various BSI electronic information services are also available which give details on all its products and services. Contact the Information Centre. Tel:02089967111. Fax:02089967048. Subscribing members of BSI are kept up to date with standards development

36、s and receive substantial discounts on the purchase price of standards. For details of these and other benefits contact Membership Administration. Tel:02089967002. Fax:02089967001. Copyright Copyright subsists in all BSI publications. BSI also holds the copyright, in the UK, of the publications of t

37、he international standardization bodies. Except as permitted under the Copyright, Designs and Patents Act 1988 no extract may be reproduced, stored in a retrieval system or transmitted in any form or by any means electronic, photocopying, recording or otherwise without prior written permission from

38、BSI. This does not preclude the free use, in the course of implementing the standard, of necessary details such as symbols, and size, type or grade designations. If these details are to be used for any other purpose than implementation then the prior written permission of BSI must be obtained. If permission is granted, the terms may include royalty payments or a licensing agreement. Details and advice can be obtained from the Copyright Manager. Tel:02089967070.

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