NA to BS EN 1993-1-4-2006 UK National Annex to Eurocode 3 Design of steel structures - General rules - Supplementary rules for stainless steels《欧洲法规3的英国国家附录 钢结构的设计 一般规则 不锈钢用补充规则》.pdf

《NA to BS EN 1993-1-4-2006 UK National Annex to Eurocode 3 Design of steel structures - General rules - Supplementary rules for stainless steels《欧洲法规3的英国国家附录 钢结构的设计 一般规则 不锈钢用补充规则》.pdf》由会员分享，可在线阅读，更多相关《NA to BS EN 1993-1-4-2006 UK National Annex to Eurocode 3 Design of steel structures - General rules - Supplementary rules for stainless steels《欧洲法规3的英国国家附录 钢结构的设计 一般规则 不锈钢用补充规则》.pdf（10页珍藏版）》请在麦多课文档分享上搜索。

1、UK National Annex to Eurocode 3: Design of steel structuresPart 14: General rules Supplementary rules for stainless steelsNA to BS EN 1993-1-4:2006raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI British StandardsLicensed Copy: Wang Bin, ISO/EXCHAN

2、GE CHINA STANDARDS, 02/06/2009 08:38, Uncontrolled Copy, (c) BSINA to BS EN 1993-1-4:2006 NAtioNAl ANNExPublishing and copyright informationthe BSi copyright notice displayed in this document indicates when the document was last issued. BSi 2009 iSBN 978 0 580 54963 2iCS 91.040.01, 91.080.10the foll

3、owing BSi references relate to the work on this standard: Committee reference B/525/31 Draft for comment 08/30128099 DCPublication historyFirst published February 2009Amendments issued since publicationDate Text affected Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 02/06/2009 08:38, Uncont

4、rolled Copy, (c) BSINAtioNAl ANNEx BSI 2009 iNA to BS EN 1993-1-4:2006Contentsintroduction 1NA.1 Scope 1NA.2 Nationally Determined Parameters 1NA.3 Decisions on the status of informative annexes 2NA.4 References to non-contradictory complementary information 3Bibliography 4Summary of pagesthis docum

5、ent comprises a front cover, an inside front cover, pages i to ii, pages 1 to 4, an inside back cover and a back cover.Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 02/06/2009 08:38, Uncontrolled Copy, (c) BSINA to BS EN 1993-1-4:2006ii BSI 2009NAtioNAl ANNExThis page deliberately left blan

6、kLicensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 02/06/2009 08:38, Uncontrolled Copy, (c) BSINAtioNAl ANNEx BSI 2009 1NA to BS EN 1993-1-4:2006National Annex (informative) to BS EN 1993-1-4:2006, Eurocode 3: Design of steel structures Part 1-4: General rules Supplementary rules for stainless

7、steels Introductionthis National Annex has been prepared by BSi Subcommittee B/525/31, Structural use of steel. in the UK it is to be used in conjunction with BS EN 1993-1-4:2006. NA.1 Scopethis National Annex gives:the UK decisions for the National Determined Parameters a) described in the followin

8、g subclauses of BS EN 1993-1-4:2006:2.1.4 (2) 5.6(2)2.1.5 (1) 6.1(2)5.1 (2) 6.2(3)5.5 (1)the UK decisions on the status of BS EN 1993-1-4:2006 informative b) annexes.References to non-contradictory complementary information.c) NA.2 Nationally Determined ParametersNA.2.1 GeneralUK decisions for the N

9、ationally Determined Parameters decided in BS EN 1993-1-4:2006 are given in clauses NA.2.2 to NA.2.8.NA.2.2 Further information on fracture toughness of ferritic stainless steels BS EN 1993-1-4:2006, 2.1.4(2)No further information is given.NA.2.3 Further information on the choice of through thicknes

10、s properties BS EN 1993-1-4:2006, 2.1.5(2)No further information is given.NA.2.4 Recommended values for partial safety factors BS EN 1993-1-4:2006, 5.1(2)the recommended values should be used. Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 02/06/2009 08:38, Uncontrolled Copy, (c) BSINA to BS

11、 EN 1993-1-4:20062 BSI 2009NAtioNAl ANNExNA.2.5 Interaction factors for members subject to compression and bending BS EN 1993-1-4:2006, 5.5(1)the recommended equations should be used. NA.2.6 Shear buckling resistance BS EN 1993-1-4:2006, 5.6(2)the value = 1.20 should be used when the 0.2% proof stre

12、ngth of the steel is not higher than 460 MPa and when the temperature of the steel does not exceed 400 C. the value = 1.00 should be used when the temperature of steel exceeds 400 C.NA.2.7 Formulae for pull-out strength of self-tapping screws BS EN 1993-1-4:2006, 6.1(2)Formulae for pull-out strength

13、 derived from testing may be given in Certified Product Declarations.NA.2.8 Shear resistance of a bolt BS EN 1993-1-4:2006, 6.2(3)the recommended values should be used.NA.3 Decisions on the status of informative annexesNA.3.1 BS EN 1993-1-4:2006, Annex ABS EN 1993-1-4:2006, Annex A may be used in th

14、e UK. NA.3.2 BS EN 1993-1-4:2006, Annex BBS EN 1993-1-4:2006, Annex B may be used in the UK.Annex B.3 should be extended in the following way:B.3 Work hardening from fabrication(1) Work hardening caused during fabrication of cold formed structural components may be utilized in the design in the foll

15、owing way:For austenitic stainless steel sections formed by press braking, an a) enhanced yield strength fyamay be adopted to account for cold working in 90 section corners where riis not greater than 5t.ffAAArtyayb pb pbi=()+()1 6730 126./.Afu (6.3)For austenitic cold rolled box sections (RHS and S

16、HS) which have b) been formed via a circular tube and where t 8 mm and ri not greater than 5t, an enhanced yield strength fyamay be adopted to account for cold working in the section faces and an extended corner region.fAAfAfyacrybpcr up=()+085019071019.+0191.Afu (6.4)Licensed Copy: Wang Bin, ISO/EX

17、CHANGE CHINA STANDARDS, 02/06/2009 08:38, Uncontrolled Copy, (c) BSINAtioNAl ANNEx BSI 2009 3NA to BS EN 1993-1-4:2006wherepis a strain parameter, defined as ptbh=+()+112 422083A is the gross cross-sectional area of the section.Acris the total corner cross-sectional area for cold rolled box sections

18、 including a region of 2t, which extends both sides of each corner. Acrcan be obtained with the following expression Atrt tcr i=+()+ 2162and rican be assumed to be equal to 2t.Apbis the total corner cross-section area for press braked sections which can be calculated as Antrtpb i=+()42fyb, fuare the

19、 yield strength and the ultimate tensile strength of the basic material (i.e. the flat sheet material out of which sections are made by cold forming). fushould be taken as the minimum value of the range specified in the material standard.n is the number of 90 corners.the increase in yield strength d

20、ue to cold working should not be utilized for sections that are annealed or subject to heat treatment after forming which may produce softening.For all section types, work hardening may be utilised in the design c) if the effect of work hardening has been verified by full size tests in accordance wi

21、th Section 7.(2) For design of connections which are not part of the full size testing, nominal strength values should be used.NA.3.3 BS EN 1993-1-4:2006, Annex CBS EN 1993-1-4:2006, Annex C may be used in the UK.NA.4 References to non-contradictory complementary informationReferences cited in this

22、National Annex to non-contradictory, complementary information can be found at www.steel-ncci.co.uk. Whilst this material is likely to be technically authoritative, not all of it has been reviewed by the UK national committee, and users should satisfy themselves of its fitness for their particular p

23、urpose. in particular, they should be aware that material indicated as not having been endorsed by the committee might contain elements that are in conflict with the Eurocode.Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 02/06/2009 08:38, Uncontrolled Copy, (c) BSINA to BS EN 1993-1-4:20064

24、 BSI 2009NAtioNAl ANNExBibliographyStandards publicationsFor dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.BS EN 1993-1-2:2005, Eurocode 3 Design of steel structures Part 1-2: General rules S

25、tructural fire designOther publicationsDesign Manual for Structural Stainless Steel, third Edition, 1 Building Series, Volume 11, Euro inox and the Steel Construction institute, 20061).1)Available free of charge from Euro inox www.euro-inox.org or www.steel-stainless.org/designmanual.Licensed Copy:

26、Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 02/06/2009 08:38, Uncontrolled Copy, (c) BSIThis page deliberately left blankLicensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 02/06/2009 08:38, Uncontrolled Copy, (c) BSIBSI is the independent national body responsible for preparing British Standards. It

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