BS-EN-1995-1-2-2004.pdf
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1、BRITISH STANDARD BS EN 1995-1-2:2004 Incorporating Corrigendum No. 1 Eurocode 5: Design of timber structures Part 1-2: General Structural fire design The European Standard EN 1995-1-2:2004 has the status of a British Standard ICS 13.220.50; 91.010.30; 91.080.20 ? Licensed Copy: sheffieldun sheffield
2、un, na, Tue Nov 07 09:11:24 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 1995-1-2:2004 This British Standard, was published under the authority of the Standards Policy and Strategy Committee on 15 December 2004 BSI 2006 ISBN 0 580 45148 8 National foreword This British Standard is the official E
3、nglish language version of EN 1995-1-2:2004, including Corrigendum June 2006. It supersedes DD ENV 1995-1-2:2000 which is withdrawn. The structural Eurocodes are divided into packages by grouping Eurocodes for each of the main materials, concrete, steel, composite concrete and steel, timber, masonry
4、 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 The conflicting national standards will be withdrawn at the end of the coexistence period, after all the EN Eurocodes of a package are available. Following publica
5、tion 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 three year coexistence period. During the coexistence period Member States will be encouraged to adapt their national provisions to withdraw conflicting n
6、ational rules before the end of the coexistence period. The Commission in consultation with Member States is expected to agree the end of the coexistence period for each package of Eurocodes. At the end of this coexistence period, the national standards will be withdrawn. In the UK, the following na
7、tional standards are: BS 5268-4.1:1978, Structural use of timber Part 4: Fire resistance of timber structures Section 4.1: Recommendations for calculating fire resistance of timber members; BS 5268-4.2:1990, Structural use of timber Part 4: Fire resistance of timber structures Section 4.2: Recommend
8、ations for calculating fire resistance of timber stud walls and joisted floor constructions; and based on this transition period, these standards will be withdrawn on a date to be announced. The UK participation in its preparation was entrusted by Technical Committee B/525, Building and civil engine
9、ering structures, to Subcommittee B/525/5, Structural use of timber, which has the responsibility to: A list of organizations represented on this subcommittee can be obtained on request to its secretary. aid enquirers to understand the text; present to the responsible international/European committe
10、e any enquiries on the interpretation, or proposals for change, and keep UK interests informed; monitor related international and European developments and promulgate them in the UK. Amendments issued since publication Amd. No. DateComments 16498 Corrigendum No. 1 31 July 2006Changes to 6.2.2.1, D2,
11、 E2.3, Table E3 and Table E4 Licensed Copy: sheffieldun sheffieldun, na, Tue Nov 07 09:11:24 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 1995-1-2:2004 i Where a normative part of this EN allows for a choice to be made at the national level, the range and possible choice will be given in the nor
12、mative 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 particular application rule if several are proposed in the EN. To enable EN 1995-1-2 to be used in the UK, the NDPs will
13、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 international or European publications referred to in this document may be found in the BSI Catalogue under the secti
14、on 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 purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Co
15、mpliance 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, page i and ii, the EN title page, pages 2 to 69 and a back cover. The BSI copyright notice displayed in this document indicates w
16、hen the document was last issued. Licensed Copy: sheffieldun sheffieldun, na, Tue Nov 07 09:11:24 GMT+00:00 2006, Uncontrolled Copy, (c) BSI ii blank Licensed Copy: sheffieldun sheffieldun, na, Tue Nov 07 09:11:24 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCH
17、E NORM EN 1995-1-2 November 2004 ICS 91.010.30; 13.220.50; 91.080.20 Supersedes ENV 1995-1-2:1994 English version Eurocode 5: Design of timber structures - Part 1-2: General - Structural fire design Eurocode 5: Conception et Calcul des structures en bois - Part 1-2: Gnralits - Calcul des structures
18、au feu Eurocode 5: Entwurf, Berechnung und Bemessung von Holzbauten - Teil 1-2: Allgemeine Regeln - Bemessung fr den Brandfall This European Standard was approved by CEN on 16 April 2004. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giv
19、ing this 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 Central Secretariat or to any CEN member. This European Standard exists in three official vers
20、ions (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 Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium,
21、Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT E
22、UROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 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 1995-1-2:2004: E Incorporating Corrigendum June 2006 Licensed Copy:
23、sheffieldun sheffieldun, na, Tue Nov 07 09:11:24 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 1995-1-2:2004 (E) 2 Contents Foreword 4 Background of the Eurocode programme 4 Status and field of application of Eurocodes 5 National Standards implementing Eurocodes 5 Links between Eurocodes and harmoni
24、sed technical specifications (ENs and ETAs) for products 6 Additional information specific to EN 1995-1-2 6 National annex for EN 1995-1-2 7 Section 1 General 9 1.1 Scope 9 1.1.1 Scope of Eurocode 5 9 1.1.2 Scope of EN 1995-1-2 9 1.2 Normative references 10 1.3 Assumptions 10 1.4 Distinction between
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