1、NA to BS EN 1992-3:2006UK National Annex to Eurocode 2: Design of concrete structures Part 3: Liquid retaining and containment structuresICS 91.010.30; 91.080.40NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWNATIONAL ANNEXLicensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS,
2、03/01/2008 07:59, Uncontrolled Copy, (c) BSIPublishing and copyright informationThe BSI copyright notice displayed in this document indicates when the document was last issued. BSI 2007ISBN 978 0 580 53548 2The following BSI references relate to the work on this document:Committee reference B/525/2D
3、raft for comment 06/30128357 DCPublication historyFirst published October 2007Amendments issued since publicationAmd. no. Date Text affectedNA to BS EN 1992-3:2006Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 03/01/2008 07:59, Uncontrolled Copy, (c) BSI BSI 2007 iNA to BS EN 1992-3:2006Cont
4、entsIntroduction 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 2Bibliography 3List of tablesTable NA.1 UK values for Nationally Determined Parameters described in BS EN 1992-3:20
5、06 2Summary of pagesThis document comprises a front cover, an inside front cover, pages i and ii, pages 1 to 3 and a back cover.Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 03/01/2008 07:59, Uncontrolled Copy, (c) BSINA to BS EN 1992-3:2006ii BSI 2007 This page deliberately left blankLicen
6、sed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 03/01/2008 07:59, Uncontrolled Copy, (c) BSI BSI 2007 1NA to BS EN 1992-3:2006National Annex (informative) to BS EN 1992-3:2006, Eurocode 2: Design of concrete structures Part 3: Liquid retaining and containment structuresIntroductionThis National An
7、nex has been prepared by BSI Subcommittee B/525/2, Structural use of concrete. In the UK it is to be used in conjunction with BS EN 1992-3:2006.NA.1 ScopeThis National Annex gives:a) the UK decisions for the Nationally Determined Parameters described in the following subclauses of BS EN 1992-3:2006:
8、 7.3.1 (111) 7.3.1 (112) 7.3.3 8.10.1.3 (103) 9.11.1 (102)b) decisions on the status of BS EN 1992-3:2006 informative annexes; andc) references to non-contradictory complementary information.NA.2 Nationally Determined ParametersUK decisions for the Nationally Determined Parameters described in BS EN
9、 1992-3:2006 are given in Table NA.1.Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 03/01/2008 07:59, Uncontrolled Copy, (c) BSINA to BS EN 1992-3:20062 BSI 2007NA.3 Decisions on the status of informative annexesBS EN 1992-3:2006, Annexes L, M and N may be used.BS EN 1992-3:2006, Annex K sho
10、uld not be used. PD 6687-11), includes an alternative informative annex which should be used instead.NA.4 References to non-contradictory complementary informationBS EN 1992-3 is concerned with the structural aspects of containment structures. Guidance on the design of non-structural features in suc
11、h structures, and on inspection and testing, can be found in BS 8007 and this may be used where it does not conflict with the requirements of BS EN 1992.NOTE When all necessary non-contradictory complementary information has been published, BS 8007 will be withdrawn.CIRIA Report C660 Early-age therm
12、al crack control in concrete 1 provides further complementary guidance on the control of early thermal cracking.Table NA.1 UK values for Nationally Determined Parameters described in BS EN 1992-3:2006Subclause Nationally Determined ParameterEurocode recommendation UK decision7.3.1 (111) Values of wk
13、1For hD/h 5, wk1= 0,2 mmFor hD/h 35, wk1 = 0,05 mmFor intermediate values of hD/h linear interpolation between 0,2 and 0,05 may be usedUse the recommended values7.3.1 (112) Value of xminThe lesser of 50 mm or 0,2h where h is the element thicknessUse the recommended value7.3.3 Maximum bar diameter an
14、d bar spacingFigure 7.103N and Figure 7.104N Use the recommended values8.10.1.3 (103) Value of 0,25 Use the recommended value9.11.1 (102) Values of t1and t2t1= 120 mmt2= 150 mmUse the recommended values1)In preparation. Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 03/01/2008 07:59, Uncontr
15、olled Copy, (c) BSI BSI 2007 3NA to BS EN 1992-3:2006BibliographyStandards publicationsFor dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.BS 8007, Code of practice for design of concrete struc
16、tures for retaining aqueous liquidsPD 6687-1, Background paper to the UK National Annexes to Eurocode 2, Parts 1 and 32)Other publications1 CIRIA. Early-age thermal crack control in concrete. Report C660, CIRIA, 20073).2)In preparation.3)Available from CIRIA, Classic House, 174180 Old Street, London
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