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1、豆丁网：http:/ copy: The University of Hong Kong, The University of Hong Kong, Version correct as of 23/03/2009 05:37, (c)BSIBRITISH STANDARD BS EN12230:2003Surfaces for sports areas Determination of tensile properties of synthetic sports surfacesThe European Standard EN 12230:2003 has the status of aBr
2、itish StandardICS 97.220.10 BS EN 12230:2003National forewordThis British Standard is the official English language version ofEN 12230:2003. EN 12230:2003 is one of a package of standards being produced by CEN/TC 217. On publication of the entire package, BS 7044 willbe withdrawn.The UK participatio
3、n 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 i
4、nterests 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 refer
5、red 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 provisi
6、ons of a contract. Users are responsible for its correct application.Compliance with a British Standard does not of itself confer immunity from legal obligations.Licensed copy: The University of Hong Kong, The University of Hong Kong, Version correct as of 23/03/2009 05:37, (c)BSIThis British Standa
7、rd, was published under the authority of the Standards Policy and Strategy Committee on15 August 2003 BSI 15 August 2003ISBN 0 580 42468 5Summary of pagesThis document comprises a front cover, an inside front cover, the EN title page, pages 2 to 9 and a back cover.The BSI copyright notice displayed
8、in this document indicates when the document was last issued.Amd. No.DateCommentsAmendments issued since publicationEUROPEAN STANDARD NORME EUROPENNEEUROPISCHE NORMEN 12230April 2003ICS 97.220.10English versionSurfaces for sports areas - Determination of tensile properties of synthetic sports surfac
9、esSols sportifs - Dtermination des caractristiques de traction des surfaces sportives synthtiquesSportbden - Bestimmung der Zugfestigkeitseigenschaften von KunststoffflhenThis European Standard was approved by CEN on 12 December 2002.CEN members are bound to comply with the CEN/CENELEC Internal Regu
10、lations 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 Management Centre or to any CEN member.This Euro
11、pean 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 Management Centre has the same status as the official versions.CEN members are the nationa
12、l standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATION C O M I T EUR O P EN D
13、E NOR M A L I S A TI ON EUR O P I S C H ES KOM I TEE F R NOR M UNG Management Centre: rue de Stassart, 36 B-1050 BrusselsLicensed copy: The University of Hong Kong, The University of Hong Kong, Version correct as of 23/03/2009 05:37, (c)BSI 2003 CENAll rights of exploitation in any form and by any m
14、eans reserved worldwide for CEN national Members.Ref. No. EN 12230:2003 EEN 12230:2003 (E)Licensed copy: The University of Hong Kong, The University of Hong Kong, Version correct as of 23/03/2009 05:37, (c)BSIContentspageForeword .31Scope .42Normative references .43Term and definition.44Principle .4
15、5Apparatus .45.1Test machine .45.2Thickness gauge .55.3Dial gauge .56Test specimens .56.1Dimensions .56.2Preparation and conditioning .66.3Number of test specimens .67Procedure .78Calculation and expression of results .78.1Relative elongation .78.2Maximum tensile strength.78.3Tensile stress at ruptu
16、re .89Test report .8Bibliography .99Licensed copy: The University of Hong Kong, The University of Hong Kong, Version correct as of 23/03/2009 05:37, (c)BSIForewordThis document (EN 12230:2003) has been prepared by Technical Committee CEN/TC 217 Surfaces for sports areas, the secretariat of which is
17、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 October 2003, and conflicting national standards shall be withdrawn at the latest by October 2003.This standard is one of a series of me
18、thods of test for sports surfaces. It is based on ISO 1926 with modification of the procedure for preparation of the test specimens to take account of the form in which sports surfacing materials are normally produced.According to the CEN/CENELEC Internal Regulations, the national standards organiza
19、tions of the following countries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland and the United Kingdom
20、.Licensed copy: The University of Hong Kong, The University of Hong Kong, Version correct as of 23/03/2009 05:37, (c)BSI1ScopeThis European Standard specifies a method for the determination of the tensile properties of materials used as surfaces for sports areas. It is applicable to elastomeric mate
21、rials which are used as the upper wearing layer of such areas, and to elastomeric materials used as underlayers in composite sports surfacing systems. It is applicable both to prefabricated sheet materials and to materials formed by casting of liquid systems cured in-situ.NOTE If the nature of the s
22、ports surface is such that a properly representative test piece cannot be prepared in the manner described in this standard, then determination of tensile properties should not be attempted for quality control purposes, or as a predictor of performance in use. With such materials, it might be more a
23、ppropriate to determine their compressive properties or other dynamic characteristics for these purposes.2Normative referencesThis European Standard incorporates by dated or undated reference, provisions from other publications. These normative references are cited at the appropriate places in the t
24、ext, and the 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 app
25、lies (including amendments).ISO 291, Plastics Standard atmospheres for conditioning and testing.3Term and definitionFor the purposes of this European Standard, the following term and definition applies.3.1peak to valley heightgeometric measure of the roughness of the top of the surfacing, being the
26、magnitude of regularly or irregularly recurring vertical deviations of a surface from a reference surface, when the distances between these deviations is a low multiple of their depth4PrincipleA test specimen of given shape is subjected to a tensile stress transmitted to it by means of a suitable de
27、vice and the resulting stress-strain curve is plotted, from which various parameters are subsequently deduced.5Apparatus5.1Test machineA test machine, such that:a) the test specimen can be held in the fixing grips of the test apparatus, these fixing grips meeting the following conditions: the test s
28、pecimen can be held sufficiently tightly to avoid slipping; no localized pressure that could tear or rupture the ends is exerted on any part of the test specimen;b) the movable grip can be moved away from the fixed grip at a constant speed of (50 5) mm/min in a direction parallel to the longitudinal
29、 axis of the test piece, under no load;Licensed copy: The University of Hong Kong, The University of Hong Kong, Version correct as of 23/03/2009 05:37, (c)BSIc) the force thus exerted on the test specimen can be read with a maximum error of 1 % and can be recorded;d) if an extensometer is used, it e
30、xerts a minimum force on the test specimen and elongation of the test specimen can be read to an accuracy of 0,1 mm.5.2Thickness gaugeThickness gauge, accurate to 0,01 mm with a plunger with a flat measuring surface nominally 4 mm diameter.5.3Dial gaugeDial gauge capable of reading to 0,1 mm with a
31、plunger having a flat circular contact surface with a diameter of nominally 1,5 mm applied to the surface under a load of (0,9 0,1) N.6Test specimens6.1 Dimensions6.1.1ProfileCut the test specimens in accordance with the shape and dimensions shown in Figure 1.4025,0 0,1If the distance between the pa
32、rallel surfaces of the extensometer gauge length varies by more than 5 % (tolerance on parallelism), discard the test specimen and cut a further specimen.Dimensions in millimetresDL55150,0 0,5KeyD Distance between the grips, 100 mmL Original gauge length, (50,0 0,1) mmFigure 1 Dimensions and shape o
33、f a tensile test specimenLicensed copy: The University of Hong Kong, The University of Hong Kong, Version correct as of 23/03/2009 05:37, (c)BSI6.1.2ThicknessSo that the test specimens remains representative of the installed surfacing ensure that the thickness of the test specimen is the thickness o
34、f the installed surfacing, except in the following cases, where further preparation is required:a) where the thickness of the installed sports surface and/or the sample provided for test is greater than 25 mm, reduce the thickness of the test specimen by machining or cutting to between 20 mm and 25
35、mm, taking care during this operation that the structure of the material is not altered and the test specimen remains as representative as possible of the installed sports surface;b) where the material carries a surface texture, emboss or granular finish, prepare the upper surface and underside of t
36、he test specimen as described in 6.2.NOTE Preparation of the underside of the test specimen to remove irregularities is necessary, for example, where a once-liquid system has been removed from a textured or porous substrate.After preparation, measure the thickness of each test specimen using the thickness gauge (5.2) and a measurement force of between 0,8 N and 1,0 N.Measure the thickness of the test piece at a minimum of five positions along the extensometer gauge length and calculate the average thickness to the nearest 0,1 mm. If any one reading differs from the average thickness by