1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN 1317-3:2010Road restraint systemsPart 3: Performance classes, impact testacceptance criteria and test methods forcrash cushionsBS EN 1317-3:2010 BRITISH STANDARDNational fo
2、rewordThis British Standard is the UK implementation of EN 1317-3:2010. Itsupersedes BS EN 1317-3:2000 which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee B/509/1, Road restraint systems.A list of organizations represented on this committee can beobtained o
3、n request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. BSI 2010ISBN 978 0 580 59459 5ICS 13.200; 93.080.30Compliance with a British Standard cannot confer immunity fromlegal obligations.This
4、 British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 August 2010.Amendments issued since publicationDate Text affectedBS EN 1317-3:2010EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 1317-3 July 2010 ICS 13.200; 93.080.30 Supersedes EN 1317-3:2
5、000English Version Road restraint systems - Part 3: Performance classes, impact test acceptance criteria and test methods for crash cushions Dispositifs de retenue routiers - Partie 3: Classes de performance, critres dacceptation des essais de choc et mthodes dessai pour les attnuateurs de choc Rckh
6、altesysteme an Straen - Teil 3: Leistungsklassen, Abnahmekriterien fr Anprallprfungen und Prfverfahren fr Anpralldmpfer This European Standard was approved by CEN on 29 April 2010. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving thi
7、s 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 CEN Management Centre or to any CEN member. This European Standard exists in three official versions
8、(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 CEN Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bul
9、garia, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FO
10、R STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2010 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 1317-3:2010: EBS EN 1317-3:2010EN 1317-3:2010
11、 (E) 2 Contents Page Foreword 3Introduction . 51 Scope 62 Normative references 63 Abbreviations . 64 Terms and definitions . 65 Performance classes . 85.1 General 85.2 Types of crash cushion . 85.3 Vehicle impact tests 85.4 Performance levels 95.5 Impact severity . 105.6 Families of crash cushions .
12、 106 Impact test acceptance criteria 136.1 General 136.2 Crash cushion behaviour 136.3 Test vehicle behaviour 136.4 Severity index . 176.5 Crash cushion lateral displacement 176.6 Test vehicle deformation 187 Test methods 187.1 Test site 187.2 Test vehicle 187.3 Crash cushion 187.4 Accuracies and de
13、viation of impact speeds and angles . 198 Test report 22Annex A (normative) Detailed Test Report Template 23Bibliography 28BS EN 1317-3:2010EN 1317-3:2010 (E) 3 Foreword This document (EN 1317-3:2010) has been prepared by Technical Committee CEN/TC 226 “Road equipment”, the secretariat of which is h
14、eld by AFNOR. 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 January 2011, and conflicting national standards shall be withdrawn at the latest by January 2011. Attention is drawn to the possibili
15、ty that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document supersedes EN 1317-3:2000. This document has been prepared under a mandate given to CEN by the European Com
16、mission and the European Free Trade Association, and supports essential requirements of EU Directive(s). EN 1317 consists of the following parts: EN 1317-1, Road restraint systems Part 1: Terminology and general criteria for test methods; EN 1317-2, Road restraint systems Part 2: Performance classes
17、, impact test acceptance criteria and test methods for safety barriers including vehicle parapets; EN 1317-3, Road restraint systems Part 3: Performance classes, impact test acceptance criteria and test methods for crash cushions; ENV 1317-4, Road restraint systems Part 4: Performance classes, impac
18、t test acceptance criteria and test methods for terminals and transitions of safety barriers; prEN 1317-4, Road restraint systems Part 4: Performance classes, impact test acceptance criteria and test methods for transitions of safety barriers (under preparation: this document will supersede ENV 1317
19、-4:2001 for the clauses concerning transitions); EN 1317-5, Road restraint systems Part 5: Product requirements and evaluation of conformity for vehicle restraint systems; prEN 1317-6, Road restraint systems Pedestrian restraint systems Part 6: Pedestrian Parapet (under preparation); prEN 1317-7, Ro
20、ad restraint systems Part 7: Performance classes, impact test acceptance criteria and test methods for terminals of safety barriers (under preparation: this document will supersede ENV 1317-4:2001 for the clauses concerning terminals); prEN 1317-8, Road restraint systems Part 8: Motorcycle road rest
21、raint systems which reduce the impact severity of motorcyclist collisions with safety barriers (under preparation) Annex A is normative. The significant technical changes incorporated in this revision are: a) Deletion of PHD; BS EN 1317-3:2010EN 1317-3:2010 (E) 4 b) Introduction of the measure of VC
22、DI; c) Reduction of impact angle tolerance to 1; d) Introduction of combined limit deviation of speed and angle for side tests; e) New Annex A (normative) Detailed test report template. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries
23、 are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia,
24、 Spain, Sweden, Switzerland and the United Kingdom. BS EN 1317-3:2010EN 1317-3:2010 (E) 5 Introduction Based on safety considerations, the design of roads may require the installation of crash cushions at certain locations. These are designed to reduce the severity of vehicle impact with a more resi
25、stive object. The standard specifies the levels of performance, required of crash cushions, for the restraint and/or redirection of impacting vehicles. The impact severity of vehicles in collision with crash cushions is rated by the indices Theoretical Head Impact Velocity (THIV), and Acceleration S
26、everity Index (ASI) (see EN 1317-1). The different performance levels will enable national and local authorities to specify the performance class of crash cushions. Attention is drawn to the fact that the acceptance of a crash cushion will require the successful completion of a series of vehicle imp
27、act tests (see Tables 1, 2, 3, etc.) as well as compliance with the full standard. BS EN 1317-3:2010EN 1317-3:2010 (E) 6 1 Scope This European Standard specifies requirements for the performance of crash cushions during vehicle impacts. It specifies performance classes and acceptance criteria for im
28、pact tests, which should be read in conjunction with EN 1317-1 and EN 1317-5. The modifications included in this European Standard are not a change of test criteria, in the sense of EN 1317-5:2007+A1:2008, ZA.3. 2 Normative references The following referenced documents are indispensable for the appl
29、ication of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 1317-1:2010, Road restraint systems Part 1: Terminology and general criteria for test methods 3 Abbreviations A
30、SI: Acceleration Severity Index THIV: Theoretical Head Impact Velocity 4 Terms and definitions For the purposes of this document, the terms and definitions given in EN 1317-1:2010 and the following apply. 4.1 obstacle item or hazard being protected from vehicular impact by the presence of a crash cu
31、shion 4.2 front face of the obstacle surface closest to a plane drawn perpendicular to the centre line of the crash cushion 4.3 family of crash cushions multiple performance product that can be assembled to form different models from the same set of components, to obtain different shapes and perform
32、ances, with the same working mechanism for the system and its components 4.4 crash cushion head structural beginning of a crash cushion, i.e. first point at which the system offers significant resistance to an impact in the direction defined in 5.2 NOTE 1 In some designs, a non-structural beginning
33、(head) may be included which offers no significant resistance to an impact. The crash cushion head is defined by the manufacturer and accepted by the test house performing the test. NOTE 2 If no agreement is reached between the manufacturer and the test house regarding the definition of the crash cu
34、shion head, the test can be performed according to the manufacturers definition and a note should be added to the test report outlining the diverging points of view. BS EN 1317-3:2010EN 1317-3:2010 (E) 7 4.5 structural length of a crash cushion L length of a crash cushion to be used to define the im
35、pact points, i.e. the longitudinal distance from the head of the crash cushion to the rearmost point of the system required to achieve the declared performance 4.6 crash cushion width W maximum horizontal distance between the approach side and the departure side of the crash cushion, measured orthog
36、onally to its centre line NOTE See Figure 1. Key 1 Non structural head L Structural length of the crash cushion W Crash cushion width Figure 1 Example of crash cushion width 4.7 taper angle maximum angle in plan view from a parallel of the center line and the angled side of the crash cushion NOTE Se
37、e Figure 2. Key Taper angle Figure 2 Example of taper angle BS EN 1317-3:2010EN 1317-3:2010 (E) 8 4.8 trapezoidal envelope trapezium surrounding the plan profile of the crash cushion, having a minimum plan area as shown in Figures 4 and 5 NOTE Any essential supporting structure should be included wi
38、thin this envelope. 5 Performance classes 5.1 General Crash cushions shall comply with requirements given in 5.2 to 5.6 when tested in accordance with impact test criteria defined in Table 1. Vehicle specifications and deviations shall conform to EN 1317-1. 5.2 Types of crash cushion Types of crash
39、cushion shall be: a) redirective (R): crash cushions which contain and redirect vehicles; b) non-redirective (NR): crash cushions which contain but do not redirect vehicles. 5.3 Vehicle impact tests Vehicle impact test descriptions shall be as given in Table 1. Table 1 Vehicle impact test descriptio
40、ns for crash cushions Testa Approach Total vehicle mass kg Velocity km/h Figure 3 Test no. TC 1.1.50 900 50 TC 1.1.80 900 80 1 TC 1.1.100 Frontal centre 900 100 TC 1.2.80 1 300 80 1 TC 1.2.100 100 TC 1.3.110 1 500 110 1 TC 2.1.80 Frontal, 900b 80 2 TC 2.1.100 vehicle offset 100 TC 3.2.80 Head (centr
41、e), at 1 300 80 TC 3.2.100 15 1 300 100 3 TC 3.3.110 1 500 110 TC 4.2.50 Side impact at 1 300 50 TC 4.2.80 15 1 300 80 4 TC 4.2.100 1 300 100 TC 4.3.110 1 500 110 TC 5.2.80 Side impact at 1 300 80 TC 5.2.100 165 1 300 100 5 TC 5.3.110 1 500 110 aTest notation is as follows: TC 1 2 80 Test of crash c
42、ushion Approach Test vehicle mass Impact speed bFor this test condition, the ATD shall be located at the more distant location from the centre line of crash cushion. BS EN 1317-3:2010EN 1317-3:2010 (E) 9 Test 5 (see Figure 3) shall not be run for a crash cushion of non-parallel form when, at the rel
43、evant impact point, the angle () of the vehicle path to the traffic face of the crash cushion is less than 5. Key 1 Test 1 2 Test 2 3 Test 3 4 Test 4 5 Test 5 6 Alternative locations for front face of obstacle 7 Crash cushion 8 1/4 vehicle width For further details see Figure 5a). Figure 3 Vehicle a
44、pproach paths for tests 1 to 5 5.4 Performance levels The crash cushion performance classes shall be as given in 5.6 and Table 2. These are classified according to an increasing energy absorption capacity. A successfully tested crash cushion at a given performance level, shall be considered as havin
45、g met the test conditions of lower levels. Table 2 Performance levels for crash cushions Level Acceptance test50 TC 1.1.50 - - - TC 4.2.50a - 80/1 - TC 1.2.80 TC 2.1.80 - TC 4.2.80a- 80 TC 1.1.80 TC 1.2.80 TC 2.1.80 TC 3.2.80 TC 4.2.80aTC 5.2.80a100 TC 1.1.100 TC 1.2.100 TC 2.1.100 TC 3.2.100 TC 4.2
46、.100aTC 5.2.100a110 TC 1.1.100 TC 1.3.110 TC 2.1.100 TC 3.3.110 TC 4.3.110aTC 5.3.110aaRelevant for the redirective crash cushions only. BS EN 1317-3:2010EN 1317-3:2010 (E) 10 5.5 Impact severity Vehicle occupant impact severity shall be assessed by the indices ASI and THIV as given in EN 1317-1:201
47、0. The severity levels shall be determined as shown in Table 3 as a function of the values of the ASI and THIV indices. Impact severity level A affords a greater level of safety for the occupants of an errant vehicle than level B and is preferred. The highest impact severity level from a series of t
48、ests shall denote the severity level of the crash cushion family. Table 3 Vehicle impact severity values Impact severity levels Index values A ASI 1,0 and THIV 44 km/h in tests 1,2 and 3 THIV 33 km/h in tests 4 and 5 B 1,0 10 % Vp 10 % Vpor no crossing Z2 10 % Vp 10 % VpFail Key 1 Point A 2 Point B
49、b) Examples of Z Classification Figure 5 Vehicle Exit Box and Examples of Z BS EN 1317-3:2010EN 1317-3:2010 (E) 17 Table 11 Redirection zone dimensions (Za and Zd) Approach side Departure side Classes of crash cushion Z Za m Zd m Z1 44 Z2 6 6 Z3 4 4a Z4 6 6aaTest 3 (see Figure 3). 6.4 Severity index ASI and THIV shall be computed using at least the minimum amount of vehicle instr
