BS-EN-1995-2-2004.pdf
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1、BRITISH STANDARD BS EN 1995-2:2004 Eurocode 5: Design of timber structures Part 2: Bridges The European Standard EN 1995-2:2004 has the status of a British Standard ICS 91.010.30; 91.080.20; 93.040 ? Licensed Copy: sheffieldun sheffieldun, na, Mon Oct 30 06:59:23 GMT+00:00 2006, Uncontrolled Copy, (
2、c) BSI BS EN 1995-2:2004 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 15 December 2004 BSI 15 December 2004 ISBN 0 580 40149 6 National foreword This British Standard is the official English language version of EN 1995-2:2004. The structur
3、al Eurocodes are divided into packages by grouping Eurocodes for each of the main materials, concrete, steel, composite concrete and steel, timber, masonry and aluminium; which is to enable a common date of withdrawal (DOW) for all the relevant parts that are needed for a particular design. The conf
4、licting national standards will be withdrawn at the end of the coexistence period, after all the EN Eurocodes of a package are available. Following publication of the EN, there is a period of 2 years allowed for the national calibration period during which the National Annex is issued, followed by a
5、 three year coexistence period. During the coexistence period Member States will be encouraged to adapt their national provisions to withdraw conflicting national rules before the end of the coexistent period. The Commission in consultation with Member States is expected to agree the end of the coex
6、istence period for each package of Eurocodes. At the end of this coexistence period, the national standard(s) will be withdrawn. In this case, there are no corresponding national standards. The UK participation in its preparation was entrusted by Technical Committee B/525, Building and civil enginee
7、ring structures, to Subcommittee B/525/5, Structural use of timber, which has the responsibility to: aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; mon
8、itor related international and European developments and promulgate them in the UK.monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this subcommittee can be obtained on request to its secretary. Where a normative part of th
9、is EN allows for a choice to be made at the national level, the range and possible choice will be given in the normative text, and a Note will qualify it as a Nationally Determined Parameter (NDP). NDPs can be a specific value for a factor, a specific level or class, a particular method or a particu
10、lar application rule if several are proposed in the EN. To enable EN 1995-2 to be used in the UK, the NDPs will be published in a National Annex which will be made available by BSI in due course, after public consultation has taken place. Cross-references The British Standards which implement intern
11、ational or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purpo
12、rt to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, the EN title page,
13、 pages 2 to 29 back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. DateComments Licensed Copy: sheffieldun sheffieldun, na, Mon Oct 30 06:59:23 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN ST
14、ANDARD NORME EUROPENNE EUROPISCHE NORM EN 1995-2 November 2004 ICS 91.010.30; 91.080.20; 93.040 Supersedes ENV 1995-2:1997 English version Eurocode 5: Design of timber structures - Part 2: Bridges Eurocode 5: Conception et calcul des structures bois - Partie 2: Ponts Eurocode 5: Bemessung und Konstr
15、uktion von Holzbauten - Teil 2: Brcken This European Standard was approved by CEN on 26 August 2004. 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
16、-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat 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 und
17、er the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Ic
18、eland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassa
19、rt, 36 B-1050 Brussels 2004 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 1995-2:2004: E Licensed Copy: sheffieldun sheffieldun, na, Mon Oct 30 06:59:23 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 1995-2:2004 (E) 2 Contents For
20、eword 3 Section 1 General 6 1.1 Scope 6 1.1.1 Scope of EN 1990 6 1.1.2 Scope of EN 1995-2 6 1.2 Normative references 6 1.3 Assumptions 7 1.4 Distinction between principles and application rules 7 1.5 Definitions 7 1.5.1 General 7 1.5.2 Additional terms and definitions used in this present standard 7
21、 1.6 Symbols used in EN 1995-2 9 Section 2 Basis of design 11 2.1 Basic requirements 11 2.2 Principles of limit state design 11 2.3 Basic variables 11 2.3.1 Actions and environmental influences 11 2.4 Verification by the partial factor method 11 2.4.1 Design value of material property 11 Section 3 M
22、aterial properties 13 Section 4 Durability 14 4.1 Timber 14 4.2 Resistance to corrosion 14 4.3 Protection of timber decks from water by sealing 14 Section 5 Basis of structural analysis 15 5.1 Laminated deck plates 15 5.1.1 General 15 5.1.2 Concentrated vertical loads 15 5.1.3 Simplified analysis 16
23、 5.2 Composite members 17 5.3 Timber-concrete composite members 17 Section 6 Ultimate limit states 18 6.1 Deck plates 18 6.1.1 System strength 18 6.1.2 Stress-laminated deck plates 19 6.2 Fatigue 21 Section 7 Serviceability limit states 22 7.1 General 22 7.2 Limiting values for deflections 22 7.3 Vi
24、brations 22 7.3.1 Vibrations caused by pedestrians 22 7.3.2 Vibrations caused by wind 22 Section 8 Connections 23 8.1 General 23 8.2 Timber-concrete connections in composite beams 23 8.2.1 Laterally loaded dowel-type fasteners 23 8.2.2 Grooved connections 23 Section 9 Structural detailing and contro
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