EN 12503-4:2001

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Športne blazine - 4. del: Ugotavljanje ublažitve udarcaSportmatten - Teil 4: Bestimmung der DämpfungseigenschaftenTapis de sport - Partie 4: Détermination des caractéristiques d'amortissement au chocSports mats - Part 4: Determination of shock absorption97.220.30Oprema za dvoranske športeIndoor sports equipmentICS:Ta slovenski standard je istoveten z:EN 12503-4:2001SIST EN 12503-4:2002en01-september-2002SIST EN 12503-4:2002SLOVENSKI
STANDARD
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 12503-4April 2001ICS 97.220.30English versionSports mats - Part 4: Determination of shock absorptionTapis de sport - Partie 4: Détermination descaractéristiques d'amortissement au chocSportmatten - Teil 4: Bestimmung derDämpfungseigenschaftenThis European Standard was approved by CEN on 21 January 2001.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards 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 translationunder the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece,Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2001 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 12503-4:2001 ESIST EN 12503-4:2002

Page 2EN 12503-4:2001ContentsPageForeword .21
Scope .32
Normative references .33
Principle
...............................................34
Apparatus .35
Test piece .56
Conditioning and test temperature .57
Procedure .68
Expression of results .89
Test report .9ForewordThis European Standard has been prepared by Technical Committee CEN/TC 136 "Sports, playground and otherrecreational equipment", the secretariat of which is held by DIN.This European Standard shall be given the status of a national standard, either by publication of an identical text orby endorsement, at the latest by October 2001, and conflicting national standards shall be withdrawn at the latestby October 2001.This standard EN 12503 "Sports mats" consists of:Part 1:Gymnastic mats, safety requirementsPart 2:Pole vault and high jump mats, safety requirementsPart 3:Judo mats, safety requirementsPart 4:Determination of shock absorptionPart 5:Determination of the base frictionPart 6:Determination of the top frictionPart 7:Determination of static stiffnessAccording to the CEN/CENELEC Internal Regulations, the national standards organizations of the followingcountries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland,France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden,Switzerland and the United Kingdom.SIST EN 12503-4:2002

Page 3EN 12503-4:20011
ScopeThis European Standard specifies a method of test for the determination of shock absorption characteristics of sportsmats types 1 to 8 of EN 12503-1:2001, 9 to 11 of EN 12503-2:2001 and 12 of EN 12503-3:2001.2
Normative referencesThis European Standard incorporates, by dated or undated reference, provisions from other publications. Thesenormative references are cited at the appropriate places in the text and the publications are listed hereafter. Fordated references, subsequent amendments to or revisions of any of these publications apply to this EuropeanStandard only when incorporated in it by amendment or revision. For undated references, the latest edition of thepublication referred to applies (including amendments).EN 12503-1:2001Sports mats – Part 1: Gymnastic mats, safety requirementsEN 12503-2:2001Sports mats – Part 2: Pole vault and high jump mats, safety requirementsEN 12503-3:2001Sports mats – Part 3: Judo mats, safety requirementsISO 6487Road Vehicles – Measurement techniques in impact tests – Instrumentation3
PrincipleA striker is dropped onto the top surface of the mat and the deceleration during the impact monitored. Thedeceleration profile is processed to yield specified shock absorption parameters.4
Apparatus4.1
IndentorsMetal indentors in accordance with the essential dimensions and masses given in table 1 and figures 1 and 2.Table 1- IndentorsType of matDiametermmMasskg
1150 ± 0,510 ± 0,1
2150 ± 0,510 ± 0,1
3150 ± 0,510 ± 0,1
4150 ± 0,520 ± 0,2
5150 ± 0,520 ± 0,2
6150 ± 0,520 ± 0,2
7150 ± 0,530 ± 0,3
8150 ± 0,530 ± 0,3
9150 ± 0,530 ± 0,3 10150 ± 0,530 ± 0,3 11150 ± 0,530 ± 0,3 12
43 ± 0,2, 78 ± 0,2, 116 ± 0,2
8 ± 0,05SIST EN 12503-4:2002
Page 4EN 12503-4:2001Dimensions in millimetresKey1Additional mass(10 ± 0,1) kg2Additional mass(10 ± 0,1) kg3Cable port4Mass (10 ± 0,1) kg5Space for accelerometerFigure 1- Indentors for gymnastics matsSIST EN 12503-4:2002

Page 5EN 12503-4:2001Dimensions in millimetresKey1AccelerometerTotal mass of indentor (8 ± 0,5) kgFigure 2 - Indentors for judo mats4.2
Release mechanismMeans of releasing the striker permitting the impactor to fall smoothly, vertically.4.3
AccelerometerAn acceleromet
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