EN 1998-3-2005 en Eurocode 8 Design of structures for earthquake resistance - Part 3 Assessment and retrofitting of buildings (Incorporating Corrigenda March 2010 and August 2013)《.pdf

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1、BRITISH STANDARDBS EN 1998-3:2005Eurocode 8 Design of structures for earthquake resistance Part 3: Assessment and retrofitting of buildingsICS 91.120.25g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g4

2、0g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58IncorporatingcorrigendumMarch 2010BS EN 1998-3:2005Incorporating corrigenda March 2010 and August 2013National forewordThis British Standard is the UK implementation of EN 1998-3:2005, incorporating corrigendum March 2010. It supersedes DD ENV 1998

3、-1-4:1996 which is withdrawn.The start and finish of text introduced or altered by corrigendum is indicated in the text by tags. Text altered by CEN corrigendum March 2010 is indicated in the text by .The structural Eurocodes are divided into packages by grouping Eurocodes for each of the main mater

4、ials, concrete, steel, composite concrete and steel, timber, masonry and aluminium. This is to enable a common date of withdrawal (DOW) for all the relevant parts that are needed for a particular design. The conflicting national standards will be withdrawn at the end of the coexistence period, after

5、 all the EN Eurocodes of a package are available.Following publication of the EN, there is a period of two years allowed for the national calibration period during which the national annex is issued, followed by a three year coexistence period. During the coexistence period Member States will be enc

6、ouraged to adapt their national provisions to withdraw conflicting national rules before the end of the coexistence period. The Commission in consultation with Member States is expected to agree the end of the coexistence period for each package of Eurocodes.At the end of the coexistence period, the

7、 national standards will be withdrawn. In the UK, there is no corresponding national standard.The UK participation in its preparation was entrusted by Technical Committee B/525, Building and civil engineering structures, to Subcommittee B/525/8, Structures in seismic regions.A list of organizations

8、represented on this subcommittee can be obtained on request to its secretary.Where a normative part of this EN allows for a choice to be made at the national level, the range and possible choice will be given in the normative text, and a note will qualify it as a Nationally Determined Parameter (NDP

9、). NDPs can be a specific value for a factor, a specific level or class, a particular method or a particular application rule if several are proposed in the EN.BS EN 1998-3:2005This British Standard waspublished under the authorityof the Standards Policy andStrategy Committeeon 11 January 2006 BSI 2

10、010Amendments/corrigenda issued since publicationDate Comments 30 April 2010 Implementation of CEN corrigendum March 2010ISBN 978 0 580 70932 6National forewordThis British Standard is the UK implementation of EN 1998-3:2005, incorporating corrigendum March 2010. It supersedes DD ENV 1998-1-4:1996 w

11、hich is withdrawn.The start and finish of text introduced or altered by corrigendum is indicated in the text by tags. Text altered by CEN corrigendum March 2010 is indicated in the text by .The structural Eurocodes are divided into packages by grouping Eurocodes for each of the main materials, concr

12、ete, steel, composite concrete and steel, timber, masonry and aluminium. This is to enable a common date of withdrawal (DOW) for all the relevant parts that are needed for a particular design. The conflicting national standards will be withdrawn at the end of the coexistence period, after all the EN

13、 Eurocodes of a package are available.Following publication of the EN, there is a period of two years allowed for the national calibration period during which the national annex is issued, followed by a three year coexistence period. During the coexistence period Member States will be encouraged to

14、adapt their national provisions to withdraw conflicting national rules before the end of the coexistence period. The Commission in consultation with Member States is expected to agree the end of the coexistence period for each package of Eurocodes.At the end of the coexistence period, the national s

15、tandards will be withdrawn. In the UK, there is no corresponding national standard.The UK participation in its preparation was entrusted by Technical Committee B/525, Building and civil engineering structures, to Subcommittee B/525/8, Structures in seismic regions.A list of organizations represented

16、 on this subcommittee can be obtained on request to its secretary.Where a normative part of this EN allows for a choice to be made at the national level, the range and possible choice will be given in the normative text, and a note will qualify it as a Nationally Determined Parameter (NDP). NDPs can

17、 be a specific value for a factor, a specific level or class, a particular method or a particular application rule if several are proposed in the EN.BS EN 1998-3:2005This British Standard waspublished under the authorityof the Standards Policy andStrategy Committeeon 11 January 2006 BSI 2010Amendmen

18、ts/corrigenda issued since publicationDate Comments 30 April 2010 Implementation of CEN corrigendum March 2010ISBN 978 0 580 70932 6ISBN 978 0 580 83532 2Amendments/corrigenda issued since publicationDate Comments30 April 2010 Implementation of CEN corrigendum March 201031 August 2013 Implementation

19、 of CEN corrigendum August 2013This British Standard was published under the authority of the Standards Policy and Strategy Committee on 11 January 2006 The British Standards Institution 2013. Published by BSI Standards Limited 2013This British Standard is the UK implementation of EN 1998-3:2005, in

20、corporating corrigenda March 2010 and August 2013. It supersedes The start and finish of text introduced or altered by corrigendum is indicated in the text by tags. Text altered by CEN corrigendum March 2010 is indicated in the text by . Text altered by CEN corrigendum August 2013 is indicated in th

21、e text by .To enable EN 1998 to be used in the UK, the NDPs will be published in a National Annex, which will be made available by BSI in due course, after public consultation has taken place.There are generally no requirements in the UK to consider seismic loading, and the whole of the UK may be co

22、nsidered an area of very low seismicity in which the provisions of EN 1998 need not apply. There is no intention to produce a National Annex to this standard and therefore where it is necessary that seismic assessment and retrofit of a building is performed to the provisions of EN 1998-3, the specif

23、ier should confirm the values of the NDPs to be used.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application.Compliance with a British Standard cannot confer immunity from legal obligations.BS EN 1998-3:2005iblankEURO

24、PEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 1998-3 June 2005 ICS 91.120.25 Supersedes ENV 1998-1-4:1996 English version Eurocode 8: Design of structures for earthquake resistance - Part 3: Assessment and retrofitting of buildings Eurocode 8: Calcul des structures pour leur rsistance aux sismes

25、- Partie 3: Evaluation et renforcement des btiments Eurocode 8: Auslegung von Bauwerken gegen Erdbeben - Teil 3: Beurteilung und Ertchtigung von Gebuden This European Standard was approved by CEN on 15 March 2005. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipul

26、ate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CEN member. This European Standard exi

27、sts in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the official versions. CEN members are the national standards bo

28、dies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE F

29、OR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2005 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 1998-3:2005: EIncorporating corrigendum Ma

30、rch 2010EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 1998-3 June 2005 ICS 91.120.25 Supersedes ENV 1998-1-4:1996 English version Eurocode 8: Design of structures for earthquake resistance - Part 3: Assessment and retrofitting of buildings Eurocode 8: Calcul des structures pour leur rsistance

31、 aux sismes - Partie 3: Evaluation et renforcement des btiments Eurocode 8: Auslegung von Bauwerken gegen Erdbeben - Teil 3: Beurteilung und Ertchtigung von Gebuden This European Standard was approved by CEN on 15 March 2005. CEN members are bound to comply with the CEN/CENELEC Internal Regulations

32、which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CEN member. This European

33、Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the official versions. CEN members are the national

34、standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN

35、 COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2005 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 1998-3:2005: EIncorporating co

36、rrigendum March 2010Incorporating corrigenda March 2010 and August 20132 Contents Page FOREWORD 4 1 GENERAL 9 1.1 SCOPE.9 1.2 NORMATIVE REFERENCES .10 1.2.1 General reference standards 10 1.3 ASSUMPTIONS10 1.4 DISTINCTION BETWEEN PRINCIPLES AND APPLICATION RULES 10 1.5 DEFINITIONS10 1.6 SYMBOLS .10

37、1.6.1 General . 10 1.6.2 Symbols used in Annex A 10 1.6.3 Symbols used in Annex B 12 1.7 S.I. UNITS.13 2 PERFORMANCE REQUIREMENTS AND COMPLIANCE CRITERIA . 14 2.1 FUNDAMENTAL REQUIREMENTS .14 2.2 COMPLIANCE CRITERIA.15 2.2.1 General . 15 2.2.2 Limit State of Near Collapse (NC) . 15 2.2.3 Limit State

38、 of Significant Damage (SD) . 16 2.2.4 Limit State of Damage Limitation (DL) 16 3 INFORMATION FOR STRUCTURAL ASSESSMENT . 17 3.1 GENERAL INFORMATION AND HISTORY .17 3.2 REQUIRED INPUT DATA 17 3.3 KNOWLEDGE LEVELS .18 3.3.1 Definition of knowledge levels 18 3.3.2 KL1: Limited knowledge. 19 3.3.3 KL2:

39、 Normal knowledge.20 3.3.4 KL3: Full knowledge 20 3.4 IDENTIFICATION OF THE KNOWLEDGE LEVEL .21 3.4.1 Geometry 21 3.4.2 Details. 22 3.4.3 Materials. 22 3.4.4 Definition of the levels of inspection and testing .23 3.5 CONFIDENCE FACTORS 23 4 ASSESSMENT24 4.1 GENERAL .24 4.2 SEISMIC ACTION AND SEISMIC

40、 LOAD COMBINATION24 4.3 STRUCTURAL MODELLING.24 4.4 METHODS OF ANALYSIS .25 4.4.1 General . 25 4.4.2 Lateral force analysis. 25 4.4.3 Multi-modal response spectrum analysis . 26 4.4.4 Nonlinear static analysis 26 4.4.5 Non-linear time-history analysis 27 4.4.6 q-factor approach. 27 BS EN 1998-3:2005

41、EN 1998-3:2005 (E)3 4.4.7 Combination of the components of the seismic action . 27 4.4.8 Additional measures for masonry infilled structures .28 4.4.9 Combination coefficients for variable actions . 28 4.4.10 Importance classes and importance factors. 28 4.5 SAFETY VERIFICATIONS.28 4.5.1 Linear meth

42、ods of analysis (lateral force or modal response spectrum analysis) 28 4.5.2 Nonlinear methods of analysis (static or dynamic) 29 4.5.3 q-factor approach. 29 4.6 SUMMARY OF CRITERIA FOR ANALYSIS AND SAFETY VERIFICATIONS .29 5 DECISIONS FOR STRUCTURAL INTERVENTION31 5.1 CRITERIA FOR A STRUCTURAL INTE

43、RVENTION.31 5.1.1 Introduction 31 5.1.2 Technical criteria . 31 5.1.3 Type of intervention 31 5.1.4 Non-structural elements . 32 5.1.5 Justification of the selected intervention type 32 6 DESIGN OF STRUCTURAL INTERVENTION34 6.1 RETROFIT DESIGN PROCEDURE.34 ANNEX A (INFORMATIVE) REINFORCED CONCRETE S

44、TRUCTURES. 35 ANNEX B (INFORMATIVE) STEEL AND COMPOSITE STRUCTURES . 55 ANNEX C (INFORMATIVE) MASONRY BUILDINGS .81 BS EN 1998-3:2005EN 1998-3:2005 (E)4 Foreword This European Standard EN 1998-3, Eurocode 8: Design of structures for earthquake resistance: Assessment and Retrofitting of buildings, ha

45、s been prepared by Technical Committee CEN/TC 250 “Structural Eurocodes“, the secretariat of which is held by BSI. CEN/TC 250 is responsible for all Structural Eurocodes. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorse

46、ment, at the latest by December 2005, and conflicting national standards shall be withdrawn at the latest by March 2010. This document supersedes ENV 1998-1-4:1996. According to the CEN-CENELEC Internal Regulations, the National Standard Organisations of the following countries are bound to implemen

47、t this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. Ba

48、ckground of the Eurocode programme In 1975, the Commission of the European Community decided on an action programme in the field of construction, based on article 95 of the Treaty. The objective of the programme was the elimination of technical obstacles to trade and the harmonisation of technical s

49、pecifications. Within this action programme, the Commission took the initiative to establish a set of harmonised technical rules for the design of construction works which, in a first stage, would serve as an alternative to the national rules in force in the Member States and, ultimately, would replace them. For fifteen years, the Commission, with the help of a Steering Committee with Representatives of Member States, conducted the development of the Eurocodes programme, which led to the first generation of European codes in the 1980s. In 1989, the C