DIN EN 14229-2011 Structural timber - Wood poles for overhead lines German version EN 14229 2010《结构木材 架空线用木杆 德文版本EN 14229-2010》.pdf

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1、February 2011 Translation by DIN-Sprachendienst.English price group 17No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).I

2、CS 79.080!$mg+“1746808www.din.deDDIN EN 14229Structural timber Wood poles for overhead linesEnglish translation of DIN EN 14229:2011-02Holzbauwerke Holzmaste fr FreileitungenEnglische bersetzung von DIN EN 14229:2011-02Bois de structure Poteaux en bois pour lignes ariennesTraduction anglaise de DIN

3、EN 14229:2011-02Supersedes DIN EN 12465:2002-09, DIN EN 12479:2002-09, DIN EN 12509:2002-09,DIN EN 12510:2002-09 and DIN EN 12511:2002-09See start of applicationSupersedes: see belowwww.beuth.deDocument comprises pagesIn case of doubt, the German-language original shall be considered authoritative.4

4、20 .11 2DIN EN 14229:2011-02 A comma is used as the decimal marker. Start of application The start of application of this standard is due to be 1 April 2011. DIN EN 12465:2002-09, DIN EN 12479:2002-09, DIN EN 12509:2002-09, DIN EN 12510:2002-09 and DIN EN 12511:2002-09 may be used in parallel until

5、30 April 2011 (see deadline in the EU Official Journal). It should be noted that, in Germany, CE conformity marking of construction products will be permitted once this standard has been listed in the Bundesanzeiger (German Federal Gazette) and from the date given therein. National foreword This sta

6、ndard has been prepared by Technical Committee CEN/TC 124 “Timber structures” (Secretariat: AFNOR, France). The responsible German body involved in its preparation was the Normenausschuss Bauwesen (Building and Civil Engineering Standards Committee), Working Committee NA 005-04-07 AA Holzmastenbauar

7、t Amendments This standard differs from DIN EN 12465:2002-09, DIN EN 12479:2002-09, DIN EN 12509:2002-09, DIN EN 12510:2002-09 and DIN EN 12511:2002-09 as follows: a) the contents of the standards have been revised and combined into one standard; b) Annex ZA (informative) “Clauses of this European S

8、tandard addressing the provisions of the EU Construction Products Directive” has been included. Previous editions DIN EN 12465: 2002-09 DIN EN 12479: 2002-09 DIN EN 12509: 2002-09 DIN EN 12510: 2002-09 DIN EN 12511: 2002-09 2 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 14229 October 2010 IC

9、S 79.080 Supersedes EN 12465:2001, EN 12479:2001, EN 12509:2001, EN 12510:2001, EN 12511:2001English Version Structural timber - Wood poles for overhead lines Bois de structure - Poteaux en bois pour lignes ariennes Holzbauwerke - Holzmaste fr Freileitungen This European Standard was approved by CEN

10、 on 28 August 2010. CEN members are bound to comply with 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

11、may be obtained on application to the CEN 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 translation under the responsibility of a CEN member into its own language and notified to the

12、 CEN Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malt

13、a, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2010 CEN All rights of explo

14、itation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 14229:2010: EEN 14229:2010 (E) 2 Contents Page Foreword 4Introduction .51 Scope 62 Normative references 63 Terms and definitions .74 Symbols and abbreviations . 105 General requirements . 115.1 Species 115.

15、2 Felling and wood preparation 125.2.1 Tree felling . 125.2.2 Handling of wood 125.2.3 Mechanical pre-treatments 125.3 Sizes and permissible deviations . 125.4 Bending strength and modulus of elasticity 125.5 Additional characteristics 125.5.1 Knots, knotholes and knot clusters 125.5.2 Slope of grai

16、n 135.5.3 Heartwood . 135.5.4 Rate of growth . 135.5.5 Straightness 135.5.6 Bark pockets and rind galls . 145.5.7 Mechanical damage 145.5.8 Ring and star shake 145.5.9 Fissures . 145.5.10 Sources 145.5.11 Decay and insects. 145.5.12 Included sapwood. 145.5.13 Cracks 145.5.14 Other criteria . 145.6 U

17、ntreated wood poles 155.7 Preservative treated wood poles. 155.7.1 General . 155.7.2 Requirements for wood preservatives . 155.7.3 Penetration requirement 155.7.4 Retention requirement . 165.7.5 Tolerances for preservative-treated charge . 166 Test methods . 166.1 Length and diameter 166.2 Knots and

18、 knot clusters . 166.3 Slope of grain 166.4 Rate of growth . 176.5 Bark pockets and rind galls . 176.6 Mechanical damage 176.7 Fissures . 176.8 Determination of moisture content . 177 Evaluation of conformity 177.1 General . 177.2 Initial type testing (ITT) 18DIN EN 14229:2011-02 EN 14229:2010 (E) 3

19、 7.3 Factory production control (FPC) 187.3.1 General . 187.3.2 Product specific requirements . 197.3.3 FPC for untreated products 197.3.4 FPC for preservative treated products 197.3.5 Initial inspection of factory and of FPC . 207.3.6 Continuous surveillance . 218 Marking . 21Annex A (informative)

20、Commonly used sizes for wood poles . 22Annex B (normative) Scheme for sampling preservative-treated wood poles . 23B.1 Method by taking borings . 23B.1.1 General . 23B.1.2 Examination of borings . 23B.2 Method by taking a cross section 23Annex C (normative) Test method for wood pole characteristics

21、. 24C.1 Principle 24C.2 Preparation . 24C.3 Apparatus . 25C.4 Procedure . 25C.5 Results 26C.6 Test report 27C.6.1 General . 27C.6.2 Test material 27C.6.3 Test procedure . 27C.6.4 Test results 27C.7 Example of suitable cantilever bending test method 28Annex D (normative) Determination of characterist

22、ic values 29D.1 General . 29D.2 Sampling. 29D.3 Testing 29D.3.1 General . 29D.3.2 Bending strength . 30D.3.3 Modulus of elasticity . 30D.3.4 Test report 31Annex E (informative) Typical minimum characteristic values for wood poles . 33Annex ZA (informative) Clauses of this European Standard addressin

23、g the provisions of the EU Construction Products Directive . 34ZA.1 Scope and relevant characteristics . 34ZA.2 Procedure for attestation of conformity of wood poles for overhead lines 35ZA.2.1 System of attestation of conformity 35ZA.2.2 EC certificate of conformity and EC declaration of conformity

24、 36ZA.3 CE marking and labelling 37Bibliography 40DIN EN 14229:2011-02 EN 14229:2010 (E) 4 Foreword This document (EN 14229:2010) has been prepared by Technical Committee CEN/TC 124 “Timber structures”, the secretariat of which is held by AFNOR. This European Standard shall be given the status of a

25、national standard, either by publication of an identical text or by endorsement, at the latest by April 2011, and conflicting national standards shall be withdrawn at the latest by April 2011. Attention is drawn to the possibility that some of the elements of this document may be the subject of pate

26、nt rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document supersedes EN 12465:2001, EN 12479:2001, EN 12509:2001, EN 12510:2001, EN 12511:2001. This document has been prepared under a mandate given to CEN by the European Commission and t

27、he European Free Trade Association, and supports essential requirements of EU Directive(s). For relationship with EU Directive(s), see informative Annex ZA, which is an integral part of this document. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the foll

28、owing countries 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, Slov

29、akia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. DIN EN 14229:2011-02 EN 14229:2010 (E) 5 Introduction Poles for overhead lines are not covered by EN 1995-1-1 (i.e. Eurocode 5), which is for the design of buildings and civil engineering structures. The supplier is always responsibl

30、e that all products supplied are in conformity with the requirements of this European Standard and any other specification he is provided with. This European Standard is for the initial determination of the characteristic values for a given population of wood poles (i.e. initial type testing), and a

31、dditional determination when there is a reason to suspect that the characteristic values for a population have reduced. As far as empirical characteristic values are existing they can be used. Annex E presents some typical minimum characteristic values for wood poles. Furthermore, this standard prov

32、ides also for requirements on the factory production control with production tolerances to enable the manufacturer of this population of wood poles to be in conformity with the declared characteristic values, derived from the initial type testing. This European Standard recognises that there are man

33、y different visual strength grading rules for timber in use in Europe. These have come into existence to allow for: different species or groups of species; geographic origin; different dimensional requirements; varying requirements for different uses; the quality of material available; historic infl

34、uences or traditions. Because of the diversity of existing standards for wood poles for overhead lines in use in different Member States it is currently impossible to lay down a single set of acceptable visual grading rules for all Member States. This European Standard therefore gives the basic prin

35、ciples to be followed when drawing up regional, national, local or buyer requirements for some characteristics and sets limits for others. In laying down visual grading rules, two main factors are relevant: they clearly define and limit the additional characteristics in poles so that there is a very

36、 high confidence that poles supplied meet the required characteristic strength value; the rules and the text can be easily understood and be suitable for implementation by grading personnel. This European Standard is also concerned with the durability characteristics of wood poles for overhead power

37、 and telecommunication lines. It assumes that all such poles are constructed from round timber in which the finished product comprises either a central core of heartwood surrounded by a zone of sapwood or the heartwood only. NOTE Some timber (e.g. abies alba and picea abies) do not allow differentia

38、tion between heartwood and sapwood. EN 351-1 specifies how such timber should be treated when preservation is required. For such species there may be different requirements for the incised zone and other parts of the pole. DIN EN 14229:2011-02 EN 14229:2010 (E) 6 1 Scope This European Standard cover

39、s requirements for single untreated or preservative treated wood poles for overhead lines under cantilever or compression loading (it does not cover poles used as beams). It covers test methods, determination of characteristic values and methods of specifying durability and sizes. It also establishe

40、s principles for visual grading. This European Standard applies to both softwood and hardwood poles. This European Standard specifies the evaluation of conformity requirements and the marking of wood poles. This European Standard does not specify wood poles treated against fire to improve their fire

41、 performance. This European Standard does not quantify the service life that may be expected from a wood pole. NOTE The service life of a wood pole depends on its geographical location, the associated climate of its service environment and either the natural durability of the heartwood of the specie

42、s selected, or the combination between selection of species, preservative type, and requirements of retention and any incised zones. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies.

43、 For undated references, the latest edition of the referenced document (including any amendments) applies. EN 212, Wood preservatives General guidance on sampling and preparation for analysis of wood preservatives and treated timber EN 252, Field test method for determining the relative protective e

44、ffectiveness of a wood preservative in ground contact EN 350-1, Durability of wood and wood-based products Natural durability of solid wood Part 1: Guide to the principles of testing and classification of the natural durability of wood EN 350-2, Durability of wood and wood-based products Natural dur

45、ability of solid wood Part 2: Guide to natural durability and treatability of selected wood species of importance in Europe EN 351-1:2007, Durability of wood and wood-based products Preservative-treated solid wood Part 1: Classification of preservative penetration and retention EN 351-2:2007, Durabi

46、lity of wood and wood-based products Preservative-treated solid wood Part 2: Guidance on sampling for the analysis of preservative-treated wood EN 599-1, Durability of wood and wood-based products Efficacy of preventive wood preservatives as determined by biological tests Part 1: Specification accor

47、ding to use class EN 13183-1, Moisture content of a piece of sawn timber Part 1: Determination by oven dry method EN ISO 3166-1, Codes for the representation of names of countries and their subdivisions Part 1: Country codes (ISO 3166-1:2006) EN ISO 9001:2008, Quality management systems Requirements

48、 (ISO 9001:2008) ISO 2859-1, Sampling procedures for inspection by attributes Part 1: Sampling schemes indexed by acceptable quality limit (AQL) for lot-by-lot inspection DIN EN 14229:2011-02 EN 14229:2010 (E) 7 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 bark pocket bark that is partly or wholly enclosed in the wood 3.2 characteristic value value that corresponds to the 5 % fractile of the statistical distribution of stren