EN 12767-2007 en Passive safety of support structures for road equipment - Requirements classification and test methods《公路设备支承结构的被动安全性 要求 分类和试验方法》.pdf

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1、BRITISH STANDARD BS EN12767:2007IncorporatingcorrigendaFebruary 2008,Passive safety ofsupport structures forroad equipment Requirements,classification and testmethodsICS 93.080.30g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g

2、54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58October 2009 and November 2009National forewordThis British Standard is the UK implementation of EN 12767:2007. It supersedes BS EN 12767:2000 which is withdrawn.The UK participation in its preparation was entrusted by Te

3、chnical Committee B/509, Road equipment, to Subcommittee B/509/10, Breakaway safety.A list of organizations represented on this committee can be obtained on request to its secretary.Additional informationBS EN 12767:2007 is a supporting standard to standards prepared under the requirements of the Eu

4、ropean Commission Mandate M/111, Circulation fixtures, given under the EU Construction Products Directive (89/106/EEC).BS EN 12767:2007 gives a test method and a classification system for determining the performance of road equipment support structures, such as lighting columns and traffic sign supp

5、orts, in terms of the potential risk of injury to vehicle occupants when in collision with such support structures.BS EN 12767:2007 is a standard which sets down performance values rather than a method of manufacture. It has, in most cases, several performance classes for each property. Some of thes

6、e classes have a range of values. A manufacturer can supply a product that has the lowest value and still meets that class. Purchasers need to be aware of this when specifying requirements.Recommended classes for different situations considered most suitable for UK practice are given in National Ann

7、ex NA.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 cannot confer immunity from legal obligations.BS EN 12767:2007Amendments/corrigenda issued since publicationDate Comment

8、s 29 February 2008 Corrections to Tables NA.1, 2, 3, 4 and 531 October 2009 Text amended in NA.1, 2.1, 2.2 and 2.3. Tables NA.1, NA.2 and NA.3 deleted. Table NA.4 renumbered as NA.1 and amendedThis British Standard was published under the authority of the Standards Policy and Strategy Committee on 3

9、1 January 2008 BSI 2009ISBN 978 0 580 69576 630 November 2009 Text corrected in Table NA.1EUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 12767November 2007ICS 93.080.30 Supersedes EN 12767:2000 English VersionPassive safety of support structures for road equipment -Requirements, classification an

10、d test methodsScurit passive des structures supports dquipements dela route - Prescriptions et mthodes dessaiPassive Sicherheit von Tragkonstruktionen fr dieStraenausstattung - Anforderungen und PrfverfahrenThis European Standard was approved by CEN on 23 September 2007.CEN members are bound to comp

11、ly 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 CEN Managemen

12、t 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 CEN Management Centre has the same status as theoffi

13、cial versions.CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,Romania, Slovakia, Slove

14、nia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue de Stassart, 36 B-1050 Brussels 2007 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN natio

15、nal Members.Ref. No. EN 12767:2007: EEN 12767:2007 (E) 2 Contents Page Foreword3 Introduction .4 1 Scope 5 2 Normative references 5 3 Terms and definitions .5 4 Test parameters .8 4.1 General parameters .8 4.2 Backfill types9 4.3 Particular test parameters for different roadside objects .10 5 Requir

16、ements.11 5.1 General11 5.2 Basic requirements12 5.3 Additional requirements for cantilever and gantry sign supports .13 5.4 Deemed to comply.13 5.5 Selection of items for test and product families 13 5.6 Non-harmful support structures 15 6 Impact test method15 6.1 Test site 15 6.2 Test vehicle 15 6

17、.3 Test item .17 6.4 Installation 17 6.5 Position of the impact point and impact angle.18 6.6 Test data to be recorded .19 6.7 Test vehicle impact and exit speed19 6.8 Test vehicle approach angle.20 6.9 Test vehicle instrumentation21 6.10 Photographic coverage.21 6.11 Test report 22 6.12 Test data d

18、ecimal rounding22 Annex A (normative) Backfill types .23 Annex B (normative) Compaction of the backfill soil 24 Annex C (normative) Evaluation of the performance of HE and LE lighting columns within a family.25 Annex D (normative) Test report26 Annex E (normative) Vehicle data and dimensions .29 Ann

19、ex F (normative) Deemed to comply.31 Annex G (informative) Bogie vehicle.32 Annex H (informative) Roof deformation 33 Bibliography 34 BS EN 12767:2007EN 12767:2007 (E) 3 Foreword This document (EN 12767:2007) has been prepared by Technical Committee CEN/TC 226 “Road equipment”, the secretariat of wh

20、ich is held 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 May 2008, and conflicting national standards shall be withdrawn at the latest by May 2008. This document supersedes EN 12767:2

21、000. Attention is drawn to the possibility 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. According to the CEN/CENELEC Internal Regulations, the national standards organiz

22、ations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Roma

23、nia, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. BS EN 12767:2007EN 12767:2007 (E) 4 Introduction The severities of accidents for vehicle occupants are affected by the performance of support structures for items of road equipment under impact. Based on safety considerations, t

24、hese can be made in such a way that they detach or yield under vehicle impact. This European Standard provides a common basis for testing of vehicle impacts with items of road equipment support. This European standard considers three categories of passive safety support structures: high energy absor

25、bing (HE); low energy absorbing (LE); non-energy absorbing (NE). Energy absorbing support structures slow the vehicle considerably and thus the risk of secondary accidents with structures, trees, pedestrians and other road users can be reduced. Non-energy absorbing support structures permit the vehi

26、cle to continue after the impact with a limited reduction in speed. Non-energy absorbing support structures may provide a lower primary injury risk than energy absorbing support structures. In this European Standard, several levels of performance are given using the two main criteria related to the

27、performance under impact of each of the three energy absorbing categories of support structure. Support structures with no performance requirements for passive safety are class 0. There are four levels of occupant safety. Levels 1, 2 and 3 provide increasing levels of safety in that order by reducin

28、g impact severity. For these levels two tests are required: test at 35 km/h to ensure satisfactory functioning of the support structure at low speed. test at the class impact speed (50, 70 and 100) as given in Table 1. Level 4 comprises very safe support structures classified by means of a simplifie

29、d test at the class impact speed. All the tests use a light vehicle to verify that impact severity levels are satisfactorily attained and compatible with safety for occupants of a light vehicle. The different occupant safety levels and the energy absorption categories will enable national and local

30、road authorities to specify the performance level of an item of road equipment support structures in terms of the effect on occupants of a vehicle impacting with the structure. Factors to be taken into consideration include: perceived injury accident risk and probable cost benefit; type of road and

31、its geometrical layout; typical vehicle speeds at the location; presence of other structures, trees and pedestrians; presence of vehicle restraint systems. BS EN 12767:2007EN 12767:2007 (E) 5 1 Scope This European Standard specifies performance requirements and defines levels in passive safety terms

32、 intended to reduce the severity of injury to the occupants of vehicles impacting with the permanent road equipment support structures. Consideration is also given to other traffic and pedestrians. Three energy absorption types are considered and test methods for determining the level of performance

33、 under various conditions of impact are given. This European Standard excludes vehicle restraint systems, noise barriers and transilluminated traffic bollards. It also excludes temporary traffic control devices. 2 Normative references The following referenced documents are indispensable for the appl

34、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 40-3-2, Lighting columns - Part 3-2: Design and verification-Verification by testing EN 40-3-3, Lighting column

35、s - Part 3-3: Design and verification-Verification by calculation EN 933-1, Tests for geometrical properties of aggregates - Part 1: Determination of particle size distribution - Sieving method EN 933-2, Tests for geometrical properties of aggregates Part 2: Determination of particle size distributi

36、on Test sieves, nominal size of apertures EN 1317-1, Road restraint systems Part 1: Terminology and general criteria for test methods ISO 6487, Road vehicles Measurement techniques in impact tests Instrumentation ISO 10392, Road vehicles with two axles Determination of centre of gravity 3 Terms and

37、definitions For the purposes of this European Standard, the following terms and definitions apply. 3.1 impact test test where a test vehicle impacts a test road equipment support structure item 3.2 impact angle angle between the intended direction of traffic and the approach path of the test vehicle

38、 into the test item, which is oriented as it would when typically in service 3.3 impact point initial point of impact between the test vehicle and the test item 3.4 impact speed, vispeed of the vehicle measured along the test vehicle approach path at a point no further than 6 m before the impact poi

39、nt BS EN 12767:2007EN 12767:2007 (E) 6 NOTE For further details, see 6.7. 3.5 exit speed, vespeed of the test vehicle after impact with the test item, measured along the line of the extended approach path at a point 12 m beyond the impact point NOTE For further details, see 6.7. 3.6 test vehicle com

40、mercially available production model passenger car used in impact tests to evaluate the performance of a test item 3.7 test item complete system of a support structure including the road equipment to be supported 3.8 support structure system used to support items of road equipment NOTE Items of equi

41、pment may include luminaires, traffic signs, traffic signals, telephones and utility cables. The system includes posts, poles, structural elements, foundations, detachable mechanisms, if used, and any other components used to support the particular item of equipment. 3.9 lighting column support inte

42、nded to hold one or more luminaires, consisting of one or more parts: a post, possibly an extension piece and, if necessary, a bracket NOTE It does not include columns for catenary lighting. 3.10 utility pole structure used to support power transmission or telecommunication cables 3.11 cantilever su

43、pport support system with a single post and a cantilever arm that supports signs, signals or other equipment mounted over traffic lanes 3.12 gantry support support system spanning a carriageway with one or more posts on each side of carriageway that supports signs, signals or other equipment mounted

44、 over the traffic lanes 3.13 ASI Acceleration Severity Index value calculated from the triaxial vehicle accelerations NOTE The maximum ASI value is considered as an assessment of the accident severity for the occupants of the impacting vehicle. ASI is a non-dimensional quantity. ASI is calculated in

45、 accordance with EN 1317-1. 3.14 THIV Theoretical Head Impact Velocity velocity, expressed in km/h, where a hypothetical “point mass“ occupant impacts the surfaces of a hypothetical occupant compartment BS EN 12767:2007EN 12767:2007 (E) 7 NOTE THIV is calculated in accordance with EN 1317-1. 3.15 ba

46、llast mass added to a vehicle other than dummy and/or instrumentation, to simulate cargo and/or achieve desired inertial test mass 3.16 dummy artefact or surrogate occupant used to simulate the effects of and/or study the dynamic response of an occupant in the test vehicle 3.17 kerb mass mass of the

47、 test vehicle type, with standard equipment, maximum capacity of engine fuel, oil and coolant NOTE It does not include occupants and cargo. 3.18 inertial test mass mass of the test vehicle including fluids (not necessarily the maximum capacity of fluids), and all items rigidly attached to the vehicl

48、es structure, including a ballast and instrumentation, but excluding a dummy 3.19 gross static mass total vehicle static mass sum of inertial test mass and mass of the dummy 3.20 bending moment resistance of a lighting column resistance to bending moment Muat ground level NOTE bending moment resista

49、nce of a lighting column is calculated or tested in accordance with EN 40-3-2 and 40-3-3. 3.21 mass of a lighting column total mass of the column above ground level including shaft and bracket arm, if fitted NOTE Luminaires, connection devices and cables are excluded. 3.22 length of a column length of a column (h + w/2) is the height of the column (h) plus half of the horizontal projection of the bracket (w) NOTE h and w are defined by EN 40-1. 3.23 product family product series of the same type in various sizes, made from the same mate