BS EN 40-3-3-2013 Lighting columns Design and verification Verification by calculation《灯柱 设计和检定 通过计算检定》.pdf

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1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN 40-3-3:2013Lighting columnsPart 3-3: Design and verification Verification by calculationBS EN 40-3-3:2013 BRITISH STANDARDNational forewordThis British Standard is the UK i

2、mplementation of EN 40-3-3:2013. It supersedes BS EN 40-3-3:2003, which is withdrawn.The UK participation in its preparation was entrusted to T e c h n i c a l C o m m i t t e e B / 5 0 9 / 5 0 , S t r e e t l i g h t i n g c o l u m n s .A list of organizations represented on this committee can be

3、obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2013. Published by BSI Standards Limited 2013.ISBN 978 0 580 78516 0 ICS 93.080.40 Compli

4、ance with a British Standard cannot confer immunityfrom legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 28 February 2013.Amendments issued since publicationDate T e x t a f f e c t e dBS EN 40-3-3:2013EUROPEAN STANDARD NORME

5、 EUROPENNE EUROPISCHE NORM EN 40-3-3 February 2013 ICS 93.080.40 Supersedes EN 40-3-3:2003English Version Lighting columns - Part 3-3: Design and verification - Verification by calculation Candlabres dclairage public - Partie 3-3: Conception et vrification - Vrification par calcul Lichtmaste - Teil

6、3-3: Bemessung und Nachweis - Rechnerischer Nachweis This European Standard was approved by CEN on 25 November 2012. 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 an

7、y alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other langua

8、ge made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC 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,

9、 Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR

10、 STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2013 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 40-3-3:2013: EBS EN 40-3-3:2013EN 40-3-3:2013

11、(E) 2 Contents Page Foreword . 3 1 Scope 4 2 Normative references . 4 3 Terms and definitions 4 4 Symbols 5 5 Structural strength requirements (ultimate limit state) 6 5.1 Application of calculations 6 5.2 Characteristic loads . 6 5.3 Characteristic strength of materials 7 5.3.1 Metal lighting colum

12、ns . 7 5.3.2 Concrete lighting columns 7 5.3.3 Fibre reinforced polymer composite lighting columns 7 5.4 Design loads . 7 5.5 Calculation of moments . 7 5.5.1 Bending moments 7 5.5.2 Torsional moments 8 5.6 Strength of cross-section 8 5.6.1 General . 8 5.6.2 Metal columns 8 5.7 Acceptance of design

13、for strength 15 5.8 Concrete lighting columns 16 5.9 Fibre reinforced polymer composite lighting columns 16 6 Deflection requirements (serviceability limit state) 16 6.1 Application of calculations 16 6.2 Serviceability limit state design loads 16 6.3 Design values of material coefficients 16 6.4 Ca

14、lculation of deflections 17 6.4.1 Horizontal deflection of the luminaire connection(s) . 17 6.4.2 Vertical deflection of the luminaire connection(s) 17 6.5 Acceptance of design for deflection . 17 6.5.1 Horizontal deflection 17 6.5.2 Vertical deflection 18 7 Permissible modifications to verified col

15、umn 18 8 Fatigue requirements . 18 Bibliography 28 BS EN 40-3-3:2013EN 40-3-3:2013 (E) 3 Foreword This document (EN 40-3-3:2013) has been prepared by Technical Committee CEN/TC 50 “Lighting columns and spigots”, the secretariat of which is held by AFNOR. This European Standard shall be given the sta

16、tus of a national standard, either by publication of an identical text or by endorsement, at the latest by August 2013, and conflicting national standards shall be withdrawn at the latest by August 2013. Attention is drawn to the possibility that some of the elements of this document may be the subj

17、ect of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document supersedes EN 40-3-3:2003. This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association. There are se

18、ven parts to the series of standards EN 40 - Lighting columns, as follows: Part 1: Definitions and terms; Part 2 : General requirements and dimensions; Part 3: Design and verification: Part 3-1: Specification for characteristic loads; Part 3-2: Verification by testing; Part 3-3: Verification by calc

19、ulation; Part 4: Requirements for reinforced and prestressed concrete lighting columns, Part 5: Requirements for steel lighting columns; Part 6: Requirements for aluminium lighting columns; Part 7: Requirements for fibre reinforced polymer composite lighting columns. According to the CEN/CENELEC Int

20、ernal Regulations, the national standards organisations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland,

21、Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 40-3-3:2013EN 40-3-3:2013 (E) 4 1 Scope This European Standard specifies the requirements for the verification of

22、 the design of lighting columns by calculation. It applies to lighting columns of nominal height (including any bracket) not exceeding 20 m. Special structural designs to permit the attachment of signs, overhead wires, etc. are not covered by this European Standard. The requirements for lighting col

23、umns made from materials other than concrete, steel, aluminium or fibre reinforced polymer composite (for example wood, plastic and cast iron) are not specifically covered in this standard. Fibre reinforced polymer composite lighting columns are covered in this standard in conjunction with EN 40-7.

24、This European Standard includes performance requirements for horizontal loads due to wind. Passive safety and the behaviour of a lighting column under the impact of a vehicle are not addressed. Such lighting columns will have additional requirements (see EN 12767). The calculations used in this Euro

25、pean Standard are based on limit state principles, where the effects of factored loads are compared with the relevant resistance of the structure. Two limit states are considered: a) the ultimate limit state, which corresponds to the load-carrying capacity of the lighting column; b) the serviceabili

26、ty limit state, which relates to the deflection of the lighting column in service. NOTE In following this approach, simplifications appropriate to lighting columns have been adopted. These are: 1) the calculations are applicable to circular and regular octagonal cross-sections; 2) the number of sepa

27、rate partial safety factors have been reduced to a minimum; 3) serviceability partial safety factors have a value equal to unity. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated refe

28、rences, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 40-1:1991, Lighting columns Part 1: Definitions and terms EN 40-3-1, Lighting columns Part 3-1: Design and verification Specification for characteristi

29、c loads EN 40-4, Lighting columns Part 4: Requirements for reinforced and prestressed concrete lighting columns EN 40-7:2002, Lighting columns Part 7: Requirements for fibre reinforced polymer composite lighting columns EN 1993-1-1, Eurocode 3: Design of steel structures Part 1-1: General rules and

30、rules for buildings EN 1999-1-1, Eurocode 9: Design of aluminium structures Part 1-1: General rules General rules and rules for buildings 3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 40-1:1991 apply. BS EN 40-3-3:2013EN 40-3-3:2013 (E) 5 4 Symbols

31、The following symbols are used in this European Standard. The definitions are abbreviated, the full definitions being given in the text. a Clear length of door opening arLength of the door cut out in the column wall for type 5 reinforcement AeEffective cross-sectional area of door reinforcement. AsC

32、ross-sectional area of door reinforcement b Clear width of the door opening brWidth of the door cut out in the column wall for type 5 reinforcement BxFactor defined in 5.6.2.3.2 ByFactor defined in 5.6.2.3.2 C Length of halves of straight edge of door opening dwWidth of door reinforcement e Specifie

33、d elongation E Modulus of elasticity fyCharacteristic yield strength F Factor defined in 5.6.2.2 g Factor defined in 5.6.2.2 G Shear Modulus h Nominal height J Mean dimension of flat side of octagonal cross section JoMean dimension of flat side at edge of door opening. l Length of Type 5 reinforcing

34、. (Fig. 6e) L Effective length of door opening moxDistance from centroid of door reinforcement measured normal to the x-x axis. moyDistance from centroid of door reinforcement measured normal to the y-y axis. mxDistance from centre of column wall at the door opening measured normal to the x-x axis.

35、myDistance from centre of column wall at the door opening measured normal to the y-y axis. MpCombined bending moment for closed regular cross-sections. MupBending moment of resistance for closed regular cross sections. MuxBending moment of resistance about x-x axis. MuyBending moment of resistance a

36、bout y-y axis. MxBending moment about x-x axis. MyBending moment about y-y axis. N Corner radius of door opening. P Factor defined in 5.6.2.3.2 R Mean radius of cross-section. RwMean radius of cross-section of type 5 reinforcement S Length of end connection of door reinforcement. t Nominal wall thic

37、kness t0Lesser of t and tw. twNominal thickness of reinforcement at the side of the door opening. TpTorsion moment TuTorsion moment of resistance BS EN 40-3-3:2013EN 40-3-3:2013 (E) 6 Radius of gyration of door reinforcement w Bracket projection ZpPlastic modulus of closed regular cross-section ZpnP

38、lastic modulus of unreinforced door opening cross-section about n-n axis. ZpyPlastic modulus of unreinforced door opening cross-section about y-y axis. ZpnrPlastic modulus of reinforced door opening cross-section about n-n axis. ZpyrPlastic modulus of reinforced door opening cross-section about y-y

39、axis. fPartial load factor. mPartial material factor. Half angle of the clear door opening. rHalf angle of the door cut out in the column for type 5 reinforcement Constant = 3,1416 Factor defined in 5.6.2.1 1 / 2 Factors defined in 5.6.2.1 3 / 5 Factors defined in 5.6.2.2 6 / 7 Factors defined in 5.

40、6.2.3.2 5 Structural strength requirements (ultimate limit state) 5.1 Application of calculations The adequacy of the strength of the lighting column shall be calculated for the following cross sections: a) the point at which the column is fixed (normally at ground level); b) the lower edge of the d

41、oor opening. If the positions of the door and the brackets can be changed relative to each other and are not specified, the lower edge of the door opening should be calculated about its weakest axis. If two or more door openings are provided, the strength of each opening shall be verified (see Figur

42、e 1); c) in addition to b) for tapered lighting columns the top of the door opening. If two or more door openings are provided, the strength of each opening shall be verified (see Figure 1); d) the point at which the bracket begins if the column and the bracket consist of one piece, or the point at

43、which the bracket is attached if the bracket is detachable and check the junction between the bracket arm and the column; e) transition from one diameter to another or at a change in material thickness; f) anti-rotation device between the columns and the bracket arm, if such a device is present and

44、intended to transfer torsional forces between the bracket arm and the column; g) any other critical position. 5.2 Characteristic loads The characteristic loads for strength requirements shall be calculated in accordance with EN 40-3-1. BS EN 40-3-3:2013EN 40-3-3:2013 (E) 7 5.3 Characteristic strengt

45、h of materials 5.3.1 Metal lighting columns The characteristic yield strength fy,in N/mm2, of steel and aluminium alloys shall be calculated in accordance with EN 1993-1-1 and EN 1999-1-1 respectively. The increase in yield strength due to any process (such as cold working) shall not be used for mem

46、bers which are subject to another process (such as heat treatment or welding) which may result in softening. 5.3.2 Concrete lighting columns The characteristic strength shall be determined in accordance with EN 40-4. 5.3.3 Fibre reinforced polymer composite lighting columns The characteristic streng

47、th shall be determined in accordance with EN 40-7. 5.4 Design loads The characteristic loads specified in 5.2 shall be multiplied by the appropriate partial load factors, fshown in Table 1 to give the design load to be used for the ultimate limit state calculation. Table 1 Partial load factors fWind

48、 load Dead load Class A 1,4 1,2 Class B 1,2 1,2 Serviceability Limit State 1,0 1,0 NOTE Refer to National Guidance or National Annex for selection of the correct class. 5.5 Calculation of moments 5.5.1 Bending moments The bending moments, Mxand My, in Nm, about the orthogonal axes x-x and y-y, respe

49、ctively, shall be calculated for each position specified in 5.1 using the design loads specified in 5.4. For cross-sections with openings the x-x and y-y axes shall be taken as shown in Figures 5b and 6. NOTE For regular octagonal cross-sections the axes can be positioned through the centre of the flat side or through a corner. For closed regular cross-sections, the bending moments Mxand Mymay be combined to give a single moment, Mp,in Nm, that gives the most adverse action on the column cross-section being considered a

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