【BS英国标准】BS EN 13744-2004 Surfaces for sports areas. Procedure for accelerated ageing by immersion in hot water.doc

BRITISH STANDARD BS EN13744:2004Surfaces for sports areas Procedure for accelerated ageing by immersion in hot waterThe European Standard EN 13744:2004 has the status of aBritish StandardICS 97.150; 97.220.10 BS EN 13744:2004National forewordThis British Standard is the official English language version ofEN 13744:2004.The UK participation in its preparation was entrusted to Technical CommitteePRI/57, Surfaces for sports areas, which has the responsibility to:aid enquirers to understand the text;present to the responsible international/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 represented on this committee can be obtained on request to its secretary.Cross-referencesThe British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application.Compliance with a British Standard does not of itself confer immunity from legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on13 October 2004© BSI 13 October 2004ISBN 0 580 44597 6Summary of pagesThis document comprises a front cover, an inside front cover, the EN title page, pages 2 to 5 and a back cover.The BSI copyright notice displayed in this document indicates when the document was last issued.Amd. No.DateCommentsAmendments issued since publicationEUROPEAN STANDARD NORME EUROPÉENNEEUROPÄISCHE NORMEN 13744October 2004ICS 97.150; 97.220.10English versionSurfaces for sports areas - Procedure for accelerated ageing by immersion in hot waterSols sportifs - Méthode de vieillissement accéléré par immersion dans l'eau chaudeSportböden - Verfahren der beschleunigten Alterung durchEintauchen in heißes WasserThis European Standard was approved by CEN on 29 July 2004.CEN members are bound to 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 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 official versions.CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATION C O M I TÉ EUR O P ÉEN DE NOR M A L I S A TI ON EUR O P Ä I S C H ES KOM I TEE F Ü R NOR M UNG Management Centre: rue de Stassart, 36 B-1050 Brussels© 2004 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Members.Ref. No. EN 13744:2004: EEN 13744:2004 (E)ContentsPageForeword.31Scope .42Principle .43Apparatus .44Test pieces .45Procedure .46Comparison tests.57Calculation and expression of results.58Test report .55ForewordThis document (EN 13744:2004) has been prepared by Technical Committee CEN/TC 217 “Surfaces for sports areas”, the secretariat of which is held by BSI.This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by April 2005, and conflicting national standards shall be withdrawn at the latest by April 2005.It is one of two standards for procedures for ageing surfaces for sports areas. The other standard in this series has the following title:EN 13817, Surfaces for sports areas Procedures for accelerated ageing by exposure to hot airAccording to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.1ScopeThis document describes a procedure for subjecting test pieces taken from surfaces for sports areas to accelerated ageing by immersion in hot water. Test pieces are aged to permit a comparison of their physical characteristics before and after ageing in accordance with European Standard test methods for surfaces for sports areas.This method is suitable for ageing all types of sports surfaces, except for wooden surfaces, using test pieces in the laboratory, but is primarily intended for ageing polymeric surfaces. The procedure allows a measure of the effect on the physical characteristics of the sports surface due to exposure to water at elevated temperatures to be made.NOTEResults from tests on materials which exhibit temporary changes in properties due to moisture should be interpreted with caution.2PrincipleTest pieces are exposed to water at an elevated temperature to permit selected physical characteristics of the surface to be assessed before and after test.3Apparatus3.1Water bath, capable of being maintained at (70 ± 2) °C.3.2Small weights, to assist with immersion if necessary.4Test piecesSelect, prepare and condition the test piece(s) in accordance with the appropriate method of test.Test pieces shall be such that no mechanical, chemical or heat treatment will be required after their removal from the water bath.Any material used for marking test pieces shall not be applied in any critical area of the test piece and shall not damage the surface or be destroyed during ageing.NOTEWherever possible, marking should be carried out after ageing of the test piece.5ProcedureImmerse test pieces in the water bath (3.1) maintained at a temperature of (70 ± 2) °C, the test pieces being freely exposed to the ageing environment on all sides. If necessary, use the small weights (3.2) to submerge the test pieces in the water bath.Leave the test pieces in the water bath for (336 ± 2) h.Remove the test pieces from the water bath and condition them together with an un-aged sample for not less than 16 h and for no more than 6 d in a relaxed condition in accordance with the test method for the particular characteristic being assessed.NOTESimultaneous ageing of different test pieces in the same water bath should be avoided, to prevent migration of anti-degradants or plasticizers, etc.6Comparison testsTo compare properties before and after accelerated ageing, carry out tests on un-aged test pieces at the same time and under the same conditions as those on test pieces having been subjected to accelerated ageing. Only compare test pieces of similar dimensions and having approximately the same exposed areas.7Calculation and expression of resultsCalculate the results as specified by the appropriate method of test. If required, calculate the percentage change in the property using the following expression:C = A O ×100OwhereCis the percentage change in the property;Ais the aged value of the property, e.g. % impact absorption;Ois the un-aged value of the property.8Test reportThe test report shall include the following:a) reference to this document, i.e. EN 13744:2004;b) reference to the procedure used to select the test pieces and determine their characteristics, e.g. aEuropean Standard test method;c) complete identification of the surface tested including manufacturers reference, type and depth of supporting layers, and method of attachment and previous history;d) physical characteristics determined, with their values before and after ageing, and, if required, their percentage change, calculated in accordance with Clause 7;e)individual test results, if required.BS EN13744:2004BSI389 Chiswick High RoadLondonW4 4ALBSI British Standards InstitutionBSI is the independent national body responsible for preparingBritish Standards. 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