BS EN 1990:2023 EUROPEANSTANDARD EN 1990 NORMEEUROPEENNE EUROPAISCHENORM March 2023 ICS 91.010.30 Supersedes EN 1990:2002, EN 1997-1:2004
English Version Eurocode-Basisofstructuralandgeotechnical design Eurocodes - Bases des calculs structuraux et Eurocode - Grundlagen der Planung von Tragwerken geotechniques und geotechnischen Bauwerken This European Standard was approved by CEN on 2 January 2023. CEN members are bound to ply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of aational standad without any alteration.Up-todatelists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member. q ae re u) ssaa o a ssps dong s Centre has the same status as the official versions. translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management FinandFGy,ryn, lLatviaLiniaM CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Poland, ortugal pulifrthMana,Rmania rbia lvakialvena,pain,den,itzeand, ki United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION COMITE EUROPEEN DE NORMALISATION EUROPAISCHES KOMITEE FOR NORMUNG CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels @ 2023 CENworlidwide for CEN national Members. All rights of exploitation in any form and by any means reserved Ref. No. EN 1990:2023 E
BS EN 1990:2023 EN 1990:2023 (E)
Contents Page European foreword..6 0Introduction...8 1Scope..10 2Normative references...11 3Terms, definitions and symbols.11 3.1Terms and definitions..11 3.1.1Common terms used in the Eurocodes..11 3.1.2Terms relating to design..13 3.1.3Terms relating to actions..16 3.1.4Terms relating to material and product properties.19 3.1.5Terms relating to geometrical property..20 3.1.6Terms relating to structural and geotechnical analysis....20 3.1.7Terms relating to bridges...21 3.2Symbols and abbreviations.23 3.2.1Latin upper-case letters..23 3.2.2Latin lower-case letters.26 3.2.3Greek upper-case letter.28 3.2.4Greek lower-case letters..29 4General rules.31 4.1Basic requirements.31 4.2Structural reliability.32 4.3Consequences of failure.32 4.4Robustness.33 4.5Design service life.34 4.6Durability.34 4.7Sustainability..35 4.8Quality management....35 5Principles of limit state design...35 5.1General...35 5.2Design situations..35 5.3Ultimate limit states (ULS)..36 5.4Serviceability limit states (SLS)..37 5.5Structural models, geotechnical models and loading models..37 6Basic variables..38 6.1Actions and environmental influences.38 6.1.1Classification of actions.38 6.1.2Representative values of actions....39 6.1.3Specific types of action...41 6.1.4Environmental influences..42 6.2Material and product properties......3. 6.3Geometrical properties.43
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BS EN 1990:2023 EN 1990:2023 (E)
7Structural analysis and design assisted by testing...44 7.1Structural modelling.....44 7.1.1General.44 7.1.2Static actions....4 7.1.3Dynamic actions. 7.1.4Actions inducing fatigue.....45 7.1.5Fire design..45 7.2Structural analysis..46 7.2.1Linear analysis...46 7.2.2Non-linear analysis...46 7.3Design assisted by testing.....46 8Verification by the partial factor method..47 8.1General....47 8.2Limitations....47 8.3Verification of ultimate limit states (ULS)..48 8.3.1General....48 8.3.2Design values of the effects of actions...48 8.3.3Design values of actions ....51 8.3.4Combination of actions.....53 8.3.5Design values of resistance ....56 8.3.6Design values of material properties....59 8.3.7Design values of geometrical properties...59 8.4Verification of serviceability limit states (SLS)..60 8.4.1General....60 8.4.2Design values of the effects of actions......60 8.4.3Combinations of actions.......1 8.4.4Design criteria 8.4.5Design values of material properties. 8.4.6Design values of geometrical properties....62 Annex A (normative) Application rules.....3 A.1 General application and application for buildings....63 A.2 Application for bridges....78 A.3 Application for towers, masts and chimneys.114 A.4 Application for silos and tanks.114 A.5 Application for structures supporting cranes.114 A.6 Application for marine coastal structures..114 Annex B (informative) Technical management measures for design and execution..115 B.1 Use of this annex... 115 B.2 Scope and field of application..115 B.3 Choice of technical management measures. 115 B.4 Design quality .-115 B.5 Design checking....116 B.6 Execution quality.117 B.7 Inspection during execution.117 B.8 Technical management measures..118
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BS EN 1990:2023 EN 1990:2023 (E)
119 C.1 Use of this annex..119 C.2 Scope and field of application......119 Basis for reliability analysis and partial factor desig.....119 C.4 Approach for calibration of design values......126 Annex D (informative) Design assisted by testing.132 D.1 Use of this annex.......132 D.2 Scope and fie...