na to bs en 1999-1-5;2007

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WB9423_BSI_StandardColCov_noK_AW:BSI FRONT COVERS 5/9/08 12:55 Page 1

UK National Annex to Eurocode 9: Design of aluminium structuresPart 1-5: Shell structures

NA to BS EN 1999-1-5:2007

Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=Bechtel Limited/5975308001, User=franklin, jonathan

Not for Resale, 01/15/2014 11:40:50 MSTNo reproduction or networking permitted without license from IHS

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NA to BS EN 1999-1-5:2007 NAtioNAl ANNEx

Publishing and copyright information

the BSi copyright notice displayed in this document indicates when the document was last issued.

BSi 2009

iSBN 978 0 580 57352 1

iCS 91.010.30; 91.080.10

the following BSi references relate to the work on this national annex: Committee reference B/525/9 Draft for comment 08/30153340 DC

Publication history

First published January 2009

Amendments issued since publication

Date Text affected



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NAtioNAl ANNEx

BSI 2009 1

NA to BS EN 1999-1-5:2007

National Annex (informative) to BS EN 1999-1-5:2007, Eurocode 9: Design of aluminium structures Part 1-5: Shell structures

Introductionthis National Annex has been prepared by BSi Subcommittee, B/525/9, Structural use of aluminium. in the UK it is to be used in conjunction with BS EN 1999-1-5:2007, Shell structures.

NA.1 Scopethis National Annex gives:

the UK decisions for the Nationally Determined Parameters a) described in the following subclauses of BS EN 1999-1-5-2007:

2.1 (3)

2.1 (4)

the UK decisions on the status of BS EN 1999-1-5:2007 informative b) annexes; and

references to non-contradictory complementary information.c)

NA.2 Nationally Determined ParametersUK decisions for the Nationally Determined Parameters described in BS EN 1999-1-5:2007 are given in table NA.1.

table NA.1 UK values for Nationally Determined Parameters described in BS EN 1999-1-5:2007

Subclause Nationally Determined Parameter Eurocode recommendation

UK decision

2.1(3) Numerical values for cMi cM1 = 1,10 cM2 = 1,25

Use the recommended values.

2.1(4) Numerical value for cM,Ser cM,Ser = 1,0 Use the recommended value.

NA.3 Decisions on the status of informative annexesUK decisions on the status of informative annexes in BS EN 1999-1-5:2007 are given in table NA.2.

table NA.2 UK decisions on the status of informative annexes in BS EN 1999-1-5:2007

Annex Description UK decision

Annex B Expressions for buckling analysis of toriconical and torispherical shells

May be used



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NA to BS EN 1999-1-5:2007

2 BSI 2009

NAtioNAl ANNEx

NA.4 References to non-contradictory complementary informationBS EN 1999-1-1:2007 is referenced in BS EN 1999-1-5:2007. the following references contain non-contradictory complementary information for use with BS EN 1999-1-1:2007.

PD 6702-1, Recommendations for the design of aluminium structures to BS EN 1999

PD 6705-3, Recommendations for the execution of aluminium structures to BS EN 1090-3



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NAtioNAl ANNEx

BSI 2009 3

NA to BS EN 1999-1-5:2007

BibliographyFor dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.

Standards publications

BS 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.



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NA to BS EN 1999-1-5:2007 NAtioNAl ANNEx

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