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BS NA EN 1998-4 (2006) (English): UK National

Annex to Eurocode 8. Design of structures for

earthquake resistance. Silos, tanks and pipelines

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NATIONAL ANNEX

UK National Annex toEurocode : Design ofstructures forearthquake resistancePart 4: Silos tanks and pipelinesr s 91 120 25

---_ritish StandardsNO COPYING WITHOUT BSI PERMISSION EXCEPT S PERMITTED BY COPYRIGHT L W

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Publishing and copyright informationThe BSI copyright notice displayed in this document indicates when thedocument was last issued.

BSI2008ISBN 978 0 580 55092 8The following BSI references relate to the work on this standard:Committee reference B/525/8Draft for comment 07 30129894DC

Publication historyFirst published August 2008

Amendments issued since publicationAmd. no. Date Text affected

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ContentsIntroduction 1NA l Scope 1NA 2 Nationally Determined Parameters 1NA 3 Decisions on the status of the informative annexes 3NA 4 Reference to non-contradictory complementary

information 3BibliographyList of tablesTable NA 1 - UK values for Nationally Determined Parametersdescribed in BS EN 1998-4:2006 2

Summary of pagesThis document comprises a front cover an inside front coverpages i and ii pages 1 to 4 an inside back cover and a back cover.

BSI 2 8

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NA 3 Decisions on the status of theinformative annexesNA 3 1 Seismic analysis procedures for tanks

[BS EN 1998-4:2006 AItnex A]BS EN 1998-4:2006 infonnative Annex A may be used in the UK

NA 3 2 Buried pipelines [BS EN 1998-4:2006 Annex B]BS EN 1998-4:2006 informative Annex B may be used in the UK

NA 4 References to non-contradictorycomplementary informationThe following is a list o references that contain non-contradictorycomplementary information for use with BS EN 1998-4:2006.

PD 6698:2008 Background paper to the UK National Annexesto BS EN 1998-1 BSEN 1998-2 BS EN 1998-4 BS EN 1998 5and BS EN 1998 6.

BSI 2008 3

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4 BSl2008

ibliographyStandards publicationsS EN 1991-4:2006 Eurocode 1 Actions on structures-

Part 4: Silos and tanksBS EN 1998-4:2006 Eurocode 8 - Design of structures forearthquake resistance - Part 4: Silos tanks and pipelinesPD 6698:2008 Background paper to the UK National AnnexestoBS EN 1998-1 BS EN 1998-2 BSEN 1998-4 BSEN 1998 5 andBSEN 1998 6

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