BS EN 13087-3-2000 Protective helmets Test methods Resistance to penetration《防护头盔 试验方法 抗渗透性》.pdf

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1、BRITISH STANDARD BS EN 13087-3:2000 Incorporating Amendment No. 1 Protective helmets Test methods Part 3: Resistance to penetration The European Standard EN 13087-3:2000, with the incorporation of amendment A1:2001, has the status of a British Standard ICS 13.340.20 NO COPYING WITHOUT BSI PERMISSION

2、 EXCEPT AS PERMITTED BY COPYRIGHT LAWBS EN 13087-3:2000 This British Standard, having been prepared under the direction of the Health and Environment Sector Committee, was published under the authority of the Standards Committee and comes into effect on 15 July 2000 BSI 22 March 2002 ISBN 0 580 3424

3、6 8 National foreword This British Standard is the official English language version of EN 13087-3:2000, including amendment A1:2001. The UK participation in its preparation was entrusted to Technical Committee PH/6, Head protection, which has the responsibility to: aid enquirers to understand the t

4、ext; present to the responsible 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 obt

5、ained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find”

6、facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal ob

7、ligations. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 7 and a back cover. The BSI copyright notice displayed throughout this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date Comme

8、nts 13599 22 March 2002 Addition of Annex ZAEUROPEAN STANDARD NORME EUROPENNE EUROPSICHE NORM EN 13087-3 March 2000 + A1 December 2001 ICS.13.340.20 English version Protective helmets Test methods Part 3: Resistance to penetration (includes amendment A1:2001) Casques de protection Mthodes dessai Par

9、tie 3: Rsistance la pntration (inclut lamendement A1:2001) Schutzhelme Prfverfahren Teil 3: Durchdringungsfestigkeit (enthlt nderung A1:2001) This European Standard was approved by CEN on 14 January 2000. Amendment A1:2001 was approved by CEN on 21 October 2001. CEN members are bound to comply with

10、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

11、 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 ve

12、rsions. CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CEN European Committee for Standardization Comit Europen de Nor

13、malisation Europisches Komitee fr Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels 2000 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 13087-3:2000 + A1:2001 EEN 13087-3:2000 BSI 22 March 2002 2 Foreword This Europ

14、ean Standard has been prepared by Technical Committee CEN/TC 158, Head protection, 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 September 2000, and conf

15、licting national standards shall be withdrawn at the latest by September 2000. This European Standard has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of EU Directive(s). According to the CEN/CENELE

16、C 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, Netherlands, Norway, Portugal, Spain, Sweden, Switz

17、erland and the United Kingdom. This European Standard is the third part of EN 13087, which supports essential requirements of EU Directive(s), and consists of ten parts as follows: Part 1: Conditions and conditioning; Part 2: Shock absorption; Part 3: Resistance to penetration; Part 4: Retention sys

18、tem effectiveness; Part 5: Retention system strength; Part 6: Field of vision; Part 7: Flame resistance; Part 8: Electrical properties; Part 9: Mechanical rigidity; Part 10: Resistance to radiant heat. Foreword to amendment A1 This amendment EN 13087-3:2000/A1:2001 to EN 13087-3:2000 has been prepar

19、ed by Technical Committee CEN/TC 158, Heat protection, the Secretariat of which is held by BSI. This amendment to the European Standard EN 13087-3:2000 shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by June 2002, and conf

20、licting national standards shall be withdrawn at the latest by June 2002. This amendment to the European Standard EN 13087-3:2000 has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of EU Directive(s).

21、 For relationship with EU Directive(s), see informative Annex ZA, which is an integral part of this standard. 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 Repu

22、blic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. Contents Page Foreword 2 Introduction 3 1S c o p e 3 2 Normative references 3 3 Terms and definitions 3 4 Prerequisites 3 5 Test met

23、hods 3 5.1 General 3 5.2 Principle 3 5.3 Apparatus 4 5.4 Procedure 7 5.5 Test report 7 Annex A (normative) Test results Uncertainty of measurement 7 Annex ZA (informative) Clauses of this European Standard addressing essential requirements or other provisions of EU Directives 7EN 13087-3:2000 BSI 22

24、 March 2002 3 Introduction This standard is intended as a supplement to the specific product standards for protective helmets (helmet standards). This method or other test methods may be applicable to complete helmets or parts thereof, and may be referenced in the appropriate helmet standards. Perfo

25、rmance requirements are given in the appropriate helmet standard, as are such prerequisites as the number of samples, preconditioning, preparation of samples for the tests, sequence and duration of testing and assessment of test results. If deviations from the test method given in this standard are

26、necessary, these deviations will be specified in the appropriate helmet standard. 1 Scope This European Standard describes methods of test for protective helmets. The purpose of these tests is to enable assessment of the performance of the helmet as specified in the appropriate helmet standard. This

27、 European Standard specifies the method of test for resistance to penetration. 2 Normative references This 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 publication

28、s 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 amendme

29、nts). EN 13087-1, Protective Helmets Test Methods Part 1: Conditions and conditioning. 3 Terms and definitions For the purposes of this European Standard, the terms and definitions used in this standard may be found in the appropriate helmet standard. 4 Prerequisites In order to implement this Europ

30、ean Standard, at least the following parameters shall be specified in the appropriate helmet standard: a) performance requirements; b) number of samples; c) preparation of samples; d) sequence of conditioning; e) sequence of tests; f) type of striker; g) number and location of impact points on helme

31、t; h) impact energy, including tolerance, of the striker for each impact; i) fitting instructions. 5 Test methods 5.1 General Testing shall be performed in the ambient conditions specified in EN 13087-1. When the test method specifies that the helmet shall be fitted to a headform, this shall be done

32、 in accordance with the appropriate helmet standard. Annex A refers to the uncertainty of measurement. 5.2 Principle A test striker is allowed to fall with specified energy on to a helmet which is fitted to a rigidly mounted test block. Note is taken of whether or not contact is made between the str

33、iker and the test block.EN 13087-3:2000 4 BSI 22 March 2002 5.3 Apparatus 5.3.1 Base The base shall be solid, made of steel or a combination of steel and concrete and have a mass of not less than 500 kg. At least the uppermost 25 mm shall consist of steel, which shall be firmly attached to the concr

34、ete if present. 5.3.2 Test block A hemispherical test block of hardwood or similar rigid material, with a soft metal or equivalent insert located at the top of its central vertical axis is mounted on a rigid support. Elasticated restraining straps are provided to assist in retaining the helmet in po

35、sition during the test. They should be such as not to affect the correct performance of the test. A suitable apparatus is shown in Figure 1. 5.3.3 Striker Two types of striker are specified: a) a conical one; b) a flat blade one. The type of striker to be used is specified in the appropriate helmet

36、standard. The characteristics of the conical striker are as follows: The characteristics of the flat blade striker are shown in Figure 2 and are summarized below: Mass: (3 000 25) g; Angle of point: (60 1) ; Radius of point: (0,5 0,1) mm; Minimum height of cone: 40 mm; Hardness of tip: 50 to 45 HRC.

37、 Mass: (400 10) g; Thickness: (6,0 0,25) mm; Width of upper section: (38,0 0,25) mm; Include angle of taper of lower section: (40 2) ; Width of flat tip: (0,25 0,05) mm; Hardness of tip: 50 to 45 HRC. EN 13087-3:2000 BSI 22 March 2002 5 Dimensions in millimetres Tolerances 1 mm unless otherwise indi

38、cated Key 1f l a t 2 striker axis 3 soft metal insert 4 spherical radius 65 5 3 screws equi-spaced 6 3 holes equi-spaced 7 strap anchorages 8m e t a l Figure 1 Test block for testing penetration resistanceEN 13087-3:2000 6 BSI 22 March 2002Key 1 example of carriage 2 upper section of blade 3 lower s

39、ection of blade Figure 2 Flat blade striker for testing resistance to penetration EN 13087-3:2000 BSI 22 March 2002 7 5.3.4 Guidance system Means shall be provided for the striker to be dropped in free or guided fall. The guidance system shall be such as to ensure that the striker: shall be position

40、ed above the test block so that the central axis of the striker coincides with the point of impact on the helmet; and falls on to the required impact position with an impact speed of not less than 95 % of that which would theoretically be obtained for a free fall. 5.3.5 Means to measure impact speed

41、 Unless free fall is employed, means shall be provided to measure the striker speed at a distance of not more than 60 mm prior to impact, to within an accuracy of l %. The impact speed shall be measured during the commissioning of the apparatus. It need not be done for each impact, but has to be suf

42、ficiently regular to comply with 5.3.4. 5.4 Procedure Within one minute of its removal from conditioning (this time applies to temperature conditioning only), fit the helmet to the test block so as to present the required impact point to the striker. Allow the striker to fall on to the specified imp

43、act point. The impact energy shall be as specified in the appropriate helmet standard. Note whether or not contact is made between the striker and the test block or whether the surface of the soft metal (or equivalent) insert in the test block is visibly damaged. If necessary, restore the surface of

44、 the soft metal (or equivalent) insert in the test block, prior to a subsequent test. If the design of the helmet permits direct contact between the test block and the striker, the test shall not be performed and the result shall be declared a failure. 5.5 Test report Report whether contact was made

45、 between the striker and the test block or whether the surface of the soft metal (or equivalent) insert test block was visibly damaged. Annex A (normative) Test results Uncertainty of measurement For each of the required measurements performed in accordance with this standard, a corresponding estima

46、te of the uncertainty of measurement shall be evaluated. This estimate of uncertainty shall be applied and stated when reporting test results, in order to enable the user of the test report to assess the reliability of the data. Annex ZA (informative) Clauses of this European Standard addressing ess

47、ential requirements or other provisions of EU Directives This European Standard has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association and supports essential requirements of EU Directive on personal protective equipment (PPE) 89/686/EEC. WAR

48、NING. Other requirements and other EU Directives may be applicable to the product(s) falling within the scope of this standard. The following clauses of this standard are likely to support requirements of Directive 89/686/EEC: Compliance with the clauses of this standard provides one means of confor

49、ming with the specific essential requirements of the Directive concerned and associated EFTA regulations. EU Directive 89/686/EEC, Annex II Clauses of this standard 1.2.1 Absence of risks and other inherent nuisance factors 5 3.1 Protection against mechanical impact 5BS EN 13087-3:2000 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independent national body responsible for preparing British Standards. It presents the UK view on standards in

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