1、DRAFT FOR DEVELOPMENTDD CEN/TS 15122:2005Surfaces for sports areas Determination of resistance of synthetic sports surfaces to repeated impactICS 97.150; 97.220.10g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48
2、g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58DD CEN/TS 15122:2005This Draft for Development was published under the authority of the Standards Policy and Strategy Committee on 21 February 2006 BSI 21 February 2006ISBN 0 580 479153National forewordThis Draft for Development is the o
3、fficial English language version of CEN/TS 15122:2005.The UK participation in the preparation of CEN/TS 15122:2005 was entrusted to Technical Committee PRI/57, Surfaces for sports areas, which has the responsibility to: aid enquirers to understand the text; present to the responsible international/E
4、uropean committee any enquiries on the interpretation, or proposals for change, and keep 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.Cros
5、s-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 B
6、ritish Standards Online.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. This publication is not to be regarded as a British Standard.It is being issued in the Draft for Development series of publications and
7、is of a provisional nature because there is a lack of experience in the use of this test and insufficient data are available to confirm its validity. It should be applied on this provisional basis, so that information and experience of its practical application may be obtained. Comments arising from
8、 the use of this Draft for Development are requested so that UK experience can be reported to the European organization responsible for its conversion to a European standard. A review of this publication will be initiated 2 years after its publication by the European organization so that a decision
9、can be taken on its status at the end of its 3-year life. Notification of the start of the review period will be made in an announcement in the appropriate issue of UpdateStandards.According to the replies received by the end of the review period, the responsible BSI Committee will decide whether to
10、 support the conversion into a European standard, to extend the life of the Technical Specification or to withdraw it. Comments should be sent in writing to the Secretary of BSI Committee PRI/57, Surfaces for sports areas, at British Standards House, 389 Chiswick High Road, London W4 4AL, giving the
11、 document reference and clause number and proposing, where possible, an appropriate revision of the text.Summary of pagesThis document comprises a front cover, an inside front cover, the CEN/TS title page, pages 2 to 8, an inside back cover and a back cover.The BSI copyright date displayed in this d
12、ocument indicates when the document was last issued.Amendments issued since publicationAmd. No. Date CommentsTECHNICAL SPECIFICATIONSPCIFICATION TECHNIQUETECHNISCHE SPEZIFIKATIONCEN/TS 15122July 2005ICS 97.150; 97.220.10English versionSurfaces for sports areas Determination of resistance ofsynthetic
13、 sports surfaces to repeated impactSols sportifs - Dtermination de la rsistance des solssportifs synthtiques aux impacts rptsSportbden - Bestimmung des Widerstandes vonKunststoffbelgen fr Sportbden gegen wiederholte SteThis Technical Specification (CEN/TS) was approved by CEN on 18 April 2005 for pr
14、ovisional application.The period of validity of this CEN/TS is limited initially to three years. After two years the members of CEN will be requested to submit theircomments, particularly on the question whether the CEN/TS can be converted into a European Standard.CEN members are required to announc
15、e the existence of this CEN/TS in the same way as for an EN and to make the CEN/TS availablepromptly at national level in an appropriate form. It is permissible to keep conflicting national standards in force (in parallel to the CEN/TS)until the final decision about the possible conversion of the CE
16、N/TS into an EN is reached.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, S
17、pain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue de Stassart, 36 B-1050 Brussels 2005 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN national Me
18、mbers.Ref. No. CEN/TS 15122:2005: E2ContentsPage Foreword 31 Scope .42 Principle.43 Apparatus 44 Test piece 75 Conditioning76 Procedure 77 Test report .8CEN/TS 15122:20053Foreword This document (CEN/TS 15122:2005) has been prepared by Technical Committee CEN/TC 217 “Surfaces for sports areas”, the s
19、ecretariat of which is held by BSI. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to announce this CEN Technical Specification: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece,
20、 Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. CEN/TS 15122:200541 Scope This Technical Specification describes a method for the determination of the resistance of a sy
21、nthetic sports surface to repeated impacts. 2 Principle A test piece taken from a synthetic sports surface is submitted to a number of impacts from an impacter fitted with studs, after which the surface is examined for surface defects. 3 Apparatus Impact machine (see Figure 1) comprising a motor whi
22、ch drives, by means of a handle, a swinging arm, at the end of which is fitted an impacter (see Figure 2), fitted with three studs, arranged as shown in Figure 3. The studs shall have a length of (12,5 1,0) mm and a diameter of (12,7 1,0) mm and be made of hard plastics having a Shore A hardness of
23、at least 95 , e.g. polyamide. The movement of the swinging arm shall be controlled by a connecting rod, the length of which shall be adjusted so that the low point of the handle corresponds to the swinging arm being in the vertical position. The impacter shall be positioned so that it comes into con
24、tact with the test piece when this is placed on the rotating plate. A holder shall be provided to hold the test piece in position on the rotating plate. NOTE Movement of the impacter causes rotational movement of the test piece. Means shall be provided to count the number of strikes made by the impa
25、cter and the number of revolutions of the rotating plate. The impacter shall contain a spring which can be compressed by a screw to adjust the force exerted on the test piece (see Figure 2). Means shall be provided to measure the force applied to the test piece by the impacter. CEN/TS 15122:20055Dim
26、ensions in millimetres 1105615036023040A561243715060AKey1 Handle 2 Counter 3 Swinging arm 4 Impacter 5 Test piece holder 6 Test piece 7 Connecting rod Figure 1 Impact machine CEN/TS 15122:20056Dimensions in millimetres 123R 185Key1 Pressure ram 2 Spring 3 Stud Figure 2 Impacter CEN/TS 15122:20057Dim
27、ensions in millimetres 11201201205070Key1 Stud Figure 3 Position of studs on the impacter 4 Test piece Three circular test pieces shall be taken from the material to be tested, having a diameter no greater than (300 2) mm with a concentric hole in the centre having a diameter of (135 2) mm. 5 Condit
28、ioning Condition the test pieces for 24 h at a temperature of (23 2) C and a relative humidity of (50 5) %. 6 Procedure Measure the thickness of one of the test pieces. Attach the test piece to the test piece holder, e.g. by using double-sided adhesive tape. Weigh the test piece together with the te
29、st piece holder. Place the test piece holder on the rotating plate. Adjust the impacter so that it exerts a force of (711 10) N on the test piece. Start the impact machine and adjust it so that the impacter strikes the test piece (6 000 100) times per hour. Run the machine until the test piece has b
30、een impacted 40 000 times, stopping it periodically, e.g. approximately every 6 000 impacts, to inspect the test piece for visible cracks. If visible cracks appear, terminate the test. Record the number of impacts up to the point where the cracks appeared, if appropriate. If no cracks appeared, reco
31、rd the figure 40 000. Re-weigh the test piece together with the test piece holder. Remove the test piece from the holder and re-measure its thickness. Calculate any loss in mass and any reduction in thickness. Repeat the procedure using the remaining two test pieces. CEN/TS 15122:200587 Test report
32、The test report shall include at least the following information. a) reference to this document, i.e. CEN/TS 15122:2005; b) description and identification of the material tested; c) visual appearance of each test piece before and after the test; d) for each test piece, any reduction in thickness; e)
33、 for each test piece, any loss of mass; f) for each test piece, the number of impacts made. CEN/TS 15122:2005blankDD CEN/TS BSI389 Chiswick High RoadLondonW4 4ALBSI British Standards InstitutionBSI is the independent national body responsible for preparing British Standards. It presents the UK view
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