1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI British StandardsWB9423_BSI_StandardColCov_noK_AW:BSI FRONT COVERS 5/9/08 12:55 Page 1UK National Annex to Eurocode 9: Design of aluminium structures Part 1-2: Structural fire designNA to BS EN 1999-
2、1-2:2007Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 15/05/2009 04:11, Uncontrolled Copy, (c) BSINA to BS EN 1999-1-2:2007 NAtioNAl ANNExPublishing and copyright informationthe BSi copyright notice displayed in this document indicates when the document was last issued. BSi 2009 iSBN 978 0
3、580 57346 0iCS 13.220.50; 91.010.30; 91.080.10the following BSi references relate to the work on this national annex: Committee reference B/525/9 Draft for comment 08/30153319 DCPublication historyFirst published January 2009Amendments issued since publicationDate Text affected Licensed Copy: Wang B
4、in, ISO/EXCHANGE CHINA STANDARDS, 15/05/2009 04:11, Uncontrolled Copy, (c) BSINAtioNAl ANNEx BSI 2009 1NA to BS EN 1999-1-2:2007National Annex (informative) to BS EN 1999-1-2:2007, Eurocode 9: Design of aluminium structures Part 1-2: Structural fire designIntroductionthis National Annex has been pre
5、pared by BSi Subcommittee, B/525/9, Structural use of aluminium. in the UK it is to be used in conjunction with BS EN 1999-1-2:2007, Structural fire design.NA.1 Scopethis National Annex gives:the UK decisions for the Nationally Determined Parameters a) described in the following subclauses of BS EN
6、1999-1-2-2007:2.3 (1)2.3 (2)2.4.2 (3)4.2.2.1 (1)4.2.2.3 (5)4.2.2.4 (5)the UK decisions on the status of BS EN 1999-1-2:2007 informative b) annexes; andreferences to non-contradictory complementary information.c) NA.2 Nationally Determined ParametersUK decisions for the Nationally Determined Paramete
7、rs described in BS EN 1999-1-2:2007 are given in table NA.1.Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 15/05/2009 04:11, Uncontrolled Copy, (c) BSINA to BS EN 1999-1-2:20072 BSI 2009NAtioNAl ANNExtable NA.1UK values for Nationally Determined Parameters described in BSEN1999-1-2:2007Subcl
8、auseNationally Determined ParameterEurocode recommendationUK decision2.3(1)Partialsafetyfactorformechanicalproperties of aluminium for the fire situationcM,fi= 1.0Use the recommended value.2.3(2)Partialsafetyfactorforthermalpropertiesof aluminium for the fire situationcM,fi= 1.0Use the recommended v
9、alue.2.4.2(3)the values of cG, cQ,1, Wfiand pValues in EN1990 for cG, cQ,1and p;W2,1for WfiFollowtherecommendationsoftheUK National Annex to BSEN1990.4.2.2.1(1)Classification of cross-sectionsCross-sectionsmaybeclassifiedasfor normaltemperaturedesignassuming thesamerelativedropin0.2%proof strength a
10、nd modulus of elasticityUse the given rule.4.2.2.3(5)Design resistance of beamsDesign resistance may be calculatedusingformulae(4.7),(4.9)and(4.10) whicharebasedonassumingthesame relativedropin0.2%proofstrengthand modulus of elasticityUse the given formulae.4.2.2.4(5)Design buckling resistance of co
11、lumnsBucklingresistancemaybecalculated usingformula(4.11)whichisbasedon assumingthesamerelativedropin0.2% proof strength and modulus of elasticityUse the given formula.Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 15/05/2009 04:11, Uncontrolled Copy, (c) BSINAtioNAl ANNEx BSI 2009 3NA to BS
12、 EN 1999-1-2:2007NA.3 Decisions on the status of informative annexesUK decisions on the status of informative annexes in BS EN 1999-1-2:2007 are given in table NA.2.table NA.2 UK decisions on the status of informative annexes in BS EN 1999-1-2:2007Annex Description UK decisionAnnex A Properties of a
13、lloys and/or tempers not listed in EN 1999-1-1May be usedAnnex B Heat transfer to external structural aluminium membersMay be usedNA.4 References to non-contradictory complementary informationBS EN 1999-1-1:2007 is referenced in BS EN 1999-1-2:2007. the following references contain non-contradictory
14、 complementary information for use with BS EN 1999-1-1:2007.PD 6702-1, Recommendations for the design of aluminium structures to BS EN 1999PD 6705-3, Recommendations for the execution of aluminium structures to BS EN 1090-3Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 15/05/2009 04:11, Unco
15、ntrolled Copy, (c) BSINA to BS EN 1999-1-2:20074 BSI 2009NAtioNAl ANNExBibliographyFor dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.Standards publicationsBS EN 1990:2002, Eurocode Basis of s
16、tructural designBS EN 1999-1-1:2007, Eurocode 9: Design of aluminium structures Part 1-1: General structural rules PD 6702-1, Recommendations for the design of aluminium structures to BS EN 19991)PD 6705-3, Recommendations for the execution of aluminium structures to BS EN 1090-31)1)in preparation.L
17、icensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 15/05/2009 04:11, Uncontrolled Copy, (c) BSIThis page deliberately left blankLicensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 15/05/2009 04:11, Uncontrolled Copy, (c) BSIBSI is the independent national body responsible for preparing British
18、 Standards. It presents the UK view on standards in Europe and at the international level. It is incorporated by Royal Charter.British Standards Institution (BSI)raising standards worldwideBSI Group Headquarters389 Chiswick High Road London W4 4AL UKTel +44 (0)20 8996 9001Fax +44 (0)20 8996 Standar
19、ds are updated by amendment or revision. Users of BritishStandards should make sure that they possess the latest amendments oreditions.It is the constant aim of BSI to improve the quality of our products andservices. We would be grateful if anyone finding an inaccuracy orambiguity while using this B
20、ritish Standard would inform the Secretary ofthe technical committee responsible, the identity of which can be foundon the inside front cover.Tel: +44 (0)20 8996 9000 Fax: +44 (0)20 8996 7400BSI offers members an individual updating service called PLUS whichensures that subscribers automatically rec
21、eive the latest editions ofstandards.Buying standardsOrders for all BSI, international and foreign standards publicationsshould be addressed to BSI Customer Services.Tel: +44 (0)20 8996 9001 Fax: +44 (0)20 8996 7001Email: You may also buy directly using a debit/credit card from the BSI Shopon the we
22、bsite response to orders for international standards, it is BSI policy tosupply the BSI implementation of those that have been publishedas British Standards, unless otherwise requested.Information on standardsBSI provides a wide range of information on national, European andinternational standards
23、through its Library.Various BSI electronic information services are also available which givedetails on all its products and services. Contact the Information Centre. Tel: +44 (0)20 8996 7111 Fax: +44 (0)20 8996 7048 Email: Subscribing members of BSI are kept up to date with standardsdevelopments an
24、d receive substantial discounts on the purchase priceof standards. For details of these and other benefits contact MembershipAdministration. Tel: +44 (0)20 8996 7002 Fax: +44 (0)20 8996 7001 Email: Information regarding online access to British Standards via BritishStandards Online can be found at
25、 information about BSI is available on the BSI website CopyrightCopyright subsists in all BSI publications. BSI also holds the copyright, in the UK, of thepublications of the international standardization bodies. Except as permitted under theCopyright, Designs and Patents Act 1988 no extract may be
26、reproduced, stored in a retrievalsystem or transmitted in any form or by any means electronic, photocopying, recording orotherwise without prior written permission from BSI. This does not preclude the free use, in the course of implementing the standard of necessarydetails such as symbols, and size,
27、 type or grade designations. If these details are to be used forany other purpose than implementation then the prior written permission of BSI must beobtained. Details and advice can be obtained from the Copyright & Licensing Manager.Tel: +44 (0)20 8996 7070 Email: WB9423_BSI_StandardColCov_noK_AW:BSI FRONT COVERS 5/9/08 12:55 Page 2Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 15/05/2009 04:11, Uncontrolled Copy, (c) BSI
