【BS标准word原稿】BS EN 12228-2002 运动场表面 合成表面接合强度的测定.doc

豆丁网：/kmust1licensed copy: the university of hong kong, the university of hong kong, version correct as of 23/03/2009 05:38, (c)bsibritish standard bs en12228:2002surfaces for sports areas determination of joint strength of synthetic surfacesthe european standard en 12228:2002 has the status of abritish standardics 97.220.10 bs en 12228:2002national forewordthis british standard is the official english language version ofen 12228:2002. it partially supersedes bs 7044-2.5:1991 (replacing methods 2 and 3). en 12228:2002 is one of a package of standards being produced bycen/tc 217. on publication of the entire package, bs 7044 will be withdrawn.the uk participation in its preparation was entrusted to technical committeepri/57, surfaces for sports areas, which has the responsibility to:aid enquirers to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.licensed copy: the university of hong kong, the university of hong kong, version correct as of 23/03/2009 05:38, (c)bsithis british standard, was published under the authority of the standards policy and strategy committee on15 august 2003 bsi 15 august 2003isbn 0 580 42469 3summary of pagesthis document comprises a front cover, an inside front cover, the en title page, pages 2 to 12, an inside back cover 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 europenneeuropische normen 12228september 2002ics 97.220.10english versionsurfaces for sports areas - determination of joint strength of synthetic surfacessols sportifs - dtermination de la rsistance des jointssportbden - bestimmung der nahtfestigkeit vonkunststoffbelgenthis european standard was approved by cen on 5 may 2002.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 management centre 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 management centre has the same status as the official versions.cen members are the national standards bodies of austria, belgium, czech republic, denmark, finland, france, germany, greece, iceland, ireland, italy, luxembourg, malta, netherlands, norway, portugal, spain, sweden, switzerland and united kingdom.european committee for standardization c o m i t eur o p en de 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 05:38, (c)bsi 2002 cenall rights of exploitation in any form and by any means reserved worldwide for cen national members.ref. no. en 12228:2002 een 12228:2002 (e)licensed copy: the university of hong kong, the university of hong kong, version correct as of 23/03/2009 05:38, (c)bsicontentspageforeword .31scope.32normative reference .33method 1 direct tension method .33.1general .33.2principle .43.3apparatus .53.4test piece.53.5conditioning and test temperature .73.6procedure .73.7calculation and expression of results .84method 2 - peel method.84.1general .84.2principle .84.3apparatus .94.4test piece.94.5conditioning and test temperature .104.6procedure .104.7calculation and expression of results .115test report .1111licensed copy: the university of hong kong, the university of hong kong, version correct as of 23/03/2009 05:38, (c)bsiforewordthis document en 12228:2002 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 march 2003, and conflicting national standards shall be withdrawn at the latest by march 2003.according to the cen/cenelec internal regulations, the national standards organizations of the following countries are bound to implement this european standard: austria, belgium, czech republic, denmark, finland, france, germany, greece, iceland, ireland, italy, luxembourg, malta, netherlands, norway, portugal, spain, sweden, switzerland and the united kingdom.1scopethis european standard specifies two test methods for determination of joint strength of synthetic sports surfaces including synthetic turf. method 1 describes a procedure for butt joints and overlapped adhesive joints in which a direct force is applied. method 2 describes a procedure for reinforced butt joints in which a peel force is applied.2normative referencethis 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 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 applies (including amendments).en iso 7500-1, metallic materials - verification of static uniaxial testing machines - part 1: tension/compression testing machines (iso 7500-1:1999).3method 1 direct tension method3.1generalthis method is suitable for testing all types of synthetic sports surfaces that incorporate chemically or mechanically bonded butt joints including sewn and welded joints as the manner of joining adjacent lengths of synthetic sports surfacing (see figure 1).licensed copy: the university of hong kong, the university of hong kong, version correct as of 23/03/2009 05:38, (c)bsi1key1 chemical/mechanical joint (including sewn seams)figure 1 butt joint3.2principlean increasing tensile force is applied perpendicular to the joint until it breaks and the maximum force applied is recorded (see figure 2).11key1 tensile forcefigure 2 principle of test direct tension methodlicensed copy: the university of hong kong, the university of hong kong, version correct as of 23/03/2009 05:38, (c)bsi3.3apparatus3.3.1tensile testing machine, conforming to class 1 of en iso 7500-1:19jaws, which are sufficiently wide to hold the entire width of the test piece and with appropriate means to avoid slippage or damage.3.4test piece3.4.1stitched or welded jointcut from a sample of surface five test pieces of length (400 5) mm and width (100 1) mm with the joint centrally located (200 mm) across each test piece (see figure 3).dimensions in millimetreskey1 jointfigure 3 test piece layout stitched or welded jointfor any test piece containing a stitched joint, the stitching shall be tied off at the edge of the joint to prevent running.3.4.2stitched or welded joints incorporating jointing tapecut from a sample of surface five test pieces, the length of which shall be the width of the backing material plus 100 mm each side of the backing material and width (100 1) mm (see figure 4).licensed copy: the university of hong kong, the university of hong kong, version correct as of 23/03/2009 05:38, (c)bsidimensions in millimetreskey1backing material2joint3test piecefigure 4 test piece layout for stitched or welded joint incorporating jointing tape3.4.3overlapped adhesive jointscut from a sample of surface five test pieces, the length of which shall be the width of the overlapped joint plus 100 mm each side of the joint and width (100 1) mm (see figures 5 and 6).1key1 adhesivefigure 5 overlapped adhesive jointlicensed copy: the university of hong kong, the university of hong kong, version correct as of 23/03/2009 05:38, (c)bsidimensions in millimetres250100132key1 overlapped adhesive joint2 test piece3 side elevationfigure 6 test piece layout overlapped adhesive joint3.5conditioning and test temperaturecondition the test pieces for a minimum of 3 h at the test temperature, except when the material is known to be very sensitive to humidity, in which case condition for a minimum of 88 h at (50 5) % relative humidity at the test temperature. unless otherwise specified the test temperature shall be (23 2) c.allow wet test pieces to dry to constant mass before conditioning. allow frozen test pieces to thaw and dry (as above)before conditioning.3.6proceduremount the test piece in the testing machine in axial alignment with the direction of pull. set the moving jaw in motion at a speed of 100 mm/min and, preferably by means of an automatic recording system, note the force at break or the maximum force exerted.repeat the test on the remaining test pieces to obtain five sets of values.if the strength of the joint is greater than the strength of the synthetic sports surface it is joining, report the strength of the synthetic sports surface and state in the test report that the strength of the joint is greater than that of the sports surface.if in the case of an overlapped adhesive joint the separation takes place parallel to the glued surfaces, the result shall be calculated as a shear force.licensed copy: the university of hong kong, the university of hong kong, version correct as of 23/03/2009 05:38, (c)bsi3.7calculation and expression of resultscalculate the mean value of the force at break or the maximum force exerted for the five tests and express the result in newtons per 100 mm, rounded to the nearest newton.for an overlapped adhesive joint where the separation takes place parallel to the glued surfaces, the shear force s, expressed in newtons per square millimetre, shall be calculated from the following equation.s = f awherefis the force at break, in newtons;ais 100 mm the width, in millimetres, of the overlapping joint.4method 2 - peel method4.1generalthis method is suitable for all types of synthetic sports surface that incorporate a reinforced butt joint (see figure 7).1key1 backing material, e.g. shock-pad or seaming tapefigure 7 reinforced butt joint4.2principlea peel force is applied to the joint and the average and maximum peel strength values measured (see figure 8).licensed copy: the university of hong kong, the university of hong kong, version correct as of 23/03/2009 05:38, (c)bsi1253421key1 tensile machine grip2 tensile force3 peel force4 backing material5 surfacingfigure 8 principle of test peel method4.3apparatus4.3.1apparatus as described in .2means of initiating the peel, e.g. hot iron or suitable solvent such as dichloromethane.4.4test pieceprepare 10 test pieces from five pieces of surface of minimum length 250 mm and width (200 2) mm with the joint centrally located along each test piece (see figure 9).licensed copy: the university of hong kong, the university of hong kong, version correct as of 23/03/2009 05:38, (c)bsidimensions in millimetres21 1325051001004key1 test piece2 seam3 surfacing4 backing material5 direction of peelfigure 9 test piece layout peel method, reinforced butt jointcut each piece of surface along the line of the joint forming two test pieces each measuring a minimum length 250 mm and width (100 1) mm.if possible, when preparing the joint, extend the backing material beyond the synthetic surfacing by 100 mm to200 mm to help initiate the peel.4.5conditioning and test temperaturecondition the test pieces as described in procedurefor reinforced butt joints, peel the backing material from the synthetic surface for a distance of approximately 100 mm.if a solvent is used, take care to ensure that the solvent does not work along the joint and affect the recorded peel strength.if a solvent is used for initial separation remove it by storing the test piece in a ventilated oven at 60 c for 2 h, followed by conditioning as described in 4.5.warning all solvents should be handled with extreme care in accordance with manufacturers instructions.licensed copy: the university of hong kong, the university of hong kong, version correct as of 23/03/2009 05:38, (c)bsiclamp the test piece in the jaws of the testing apparatus. set the moving jaw in motion at a speed of 100 mm/min, and, preferably by means of an automatic recording system, note the forces exerted on the test piece. stop the test within10 mm of the separation of the joint.if the backing material or synthetic surfacing consistently breaks during the test, indicating that the peel strength is higher than that of the material, record the breaking strength of the material, indicating so in the test report. report also any other types of failure.repeat the test on the remaining test pieces.4.7calculation and expression of resultscalculate the avera