NA to BS EN 1999-1-2-2007 UK National Annex to nEurocode 9 Design of naluminium structures – nPart 1-2 Structural fire design《欧洲法规9的英国国家附录 铝结构的设计 结构防火设计》.pdf

《NA to BS EN 1999-1-2-2007 UK National Annex to nEurocode 9 Design of naluminium structures – nPart 1-2 Structural fire design《欧洲法规9的英国国家附录 铝结构的设计 结构防火设计》.pdf》由会员分享，可在线阅读，更多相关《NA to BS EN 1999-1-2-2007 UK National Annex to nEurocode 9 Design of naluminium structures – nPart 1-2 Structural fire design《欧洲法规9的英国国家附录 铝结构的设计 结构防火设计》.pdf（8页珍藏版）》请在麦多课文档分享上搜索。

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

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