EN 1999-1-5:2007
(Main)Eurocode 9 - Design of aluminium structures - Part 1-5: Shell structures
Eurocode 9 - Design of aluminium structures - Part 1-5: Shell structures
(1)P EN 1999-1-5 applies to the structural design of aluminium structures, stiffened and unstiffened, that have the form of a shell of revolution or of a round panel in monocoque structures.
(2) The relevant parts of EN 1999 should be followed for specific application rules for structural design.
(3) Supplementary information for certain types of shells are given in EN 1993-1-6 and the relevant application parts which include:
- Part 3-1 for towers and masts;
- Part 3-2 for chimneys;
- Part 4-1 for silos;
- Part 4-2 for tanks;
- Part 4-3 for pipelines.
(4) The provisions in EN 1999-1-5 apply to axisymmetric shells (cylinders, cones, spheres) and associated circular or annular plates and beam section rings and stringer stiffeners where they form part of the complete structure.
(5) Single shell panels (cylindrical, conical or spherical) are not explicitly covered by EN 1999-1-5. However, the provisions can be applicable if the appropriate boundary conditions are duly taken into account.
Eurocode 9: Bemessung und Konstruktion von Aluminiumtragwerken - Teil 1-5: Schalentragwerke
1.1.1 Anwendungsbereich von EN 1999
(1)P EN 1999 gilt für den Entwurf, die Berechnung und die Bemessung von Bauwerken und Tragwerken aus Aluminium. Sie entspricht den Grundsätzen und Anforderungen an die Sicherheit und Gebrauchs¬tauglichkeit von Tragwerken sowie den Grundlagen für ihre Bemessung und Nachweise, die in EN 1990 Grundlagen der Tragwerksplanung enthalten sind.
(2)P EN 1999 behandelt ausschließlich Anforderungen an die Tragfähigkeit, die Gebrauchstauglichkeit, die Dauerhaftigkeit und den Feuerwiderstand von Tragwerken aus Aluminium. Andere Anforderungen, wie z. B. Wärmeschutz oder Schallschutz, werden nicht behandelt.
(3) EN 1999 gilt in Verbindung mit folgenden Regelwerken:
EN 1990, Grundlagen der Tragwerksplanung
EN 1991, Einwirkungen auf Tragwerke
Europäische Normen für Bauprodukte, die für Aluminiumtragwerke Verwendung finden:
EN 1090 1, Ausführung von Stahltragwerken und Aluminiumtragwerken Teil 1: Allgemeine Liefer¬bedingungen )
EN 1090 3, Ausführung von Stahltragwerken und Aluminiumtragwerken Teil 3: Technische Regeln für die Ausführung von Aluminiumtragwerken 5)
(4) EN 1999 ist in fünf Teile gegliedert:
EN 1999 1 1, Bemessung und Konstruktion von Aluminiumtragwerken: Allgemeine Bemessungsregeln
EN 1999 1 2, Bemessung und Konstruktion von Aluminiumtragwerken: Tragwerksbemessung für den Brandfall
EN 1999 1 3, Bemessung und Konstruktion von Aluminiumtragwerken: Ermüdungsbeanspruchte Tragwerke
EN 1999 1 4, Bemessung und Konstruktion von Aluminiumtragwerken: Kaltgeformte Profiltafeln
EN 1999 1 5, Bemessung und Konstruktion von Aluminiumtragwerken: Schalen
Eurocode 9 - Calcul des structures en aluminium - Partie 1-5 : Coques
Evrokod 9 - Projektiranje konstrukcij iz aluminijevih zlitin - 1-5. del: Lupinaste konstrukcije
EN 1999 se uporablja na področju projektiranja zgradb in gradbeništva ter gradbenih objektov iz aluminija. Je v skladu z načeli in zahtevami za varnost in uporabnost objektov, osnovo njihovega projektiranja in preverjanja, ki so podani v EN 1990 – Osnove projektiranja. EN 1999 se ukvarja samo z zahtevami glede odpornosti, uporabnosti, trajnosti in požarne odpornosti aluminijevih konstrukcij. Drugih zahtev, npr. glede toplotne ali zvočne izolacije, ne obravnava. EN 1999 je namenjen uporabi v povezavi z: - EN 1990 Osnove projektiranja, - EN 1991 Vplivi na konstrukcije, – evropski standardi za gradbene izdelke, ki se nanašajo na aluminijeve konstrukcije, - EN 1090-1 Izvedba jeklenih in aluminijastih konstrukcij, – prvi del: Zahteve za ugotavljanje skladnosti sestavnih delov konstrukcij, – EN 1090-3 Izvedba jeklenih in aluminijevih konstrukcij, – tretji del: Tehnične zahteve za aluminijaste konstrukcije EN 1999 je razdeljen v pet delov: EN 1999-1-1 Projektiranje konstrukcij iz aluminijevih zlitin: Splošna pravila za konstrukcije. EN 1999-1-2 Projektiranje konstrukcij iz aluminijevih zlitin: Projektiranje požarnovarnih konstrukcij. EN 1999-1-3 Projektiranje konstrukcij iz aluminijevih zlitin: Konstrukcije občutljive na utrujenost. EN 1999-1-4 Projektiranje konstrukcij iz aluminijevih zlitin: Hladno oblikovane konstrukcijske pločevine. EN 1999-1-5 Projektiranje konstrukcij iz aluminijevih zlitin: Lupinaste konstrukcije.
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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Evrokod 9 - Projektiranje konstrukcij iz aluminijevih zlitin - 1-5. del: Lupinaste konstrukcijeEurocode 9 - Bemessung und Konstruktion von Aluminiumtragwerken - Teil 1-5: SchalenEurocode 9 - Calcul des structures en aluminium - Partie 1-5 : CoquesEurocode 9 - Design of aluminium structures - Part 1-5: Shell structures91.080.10Kovinske konstrukcijeMetal structures91.010.30Technical aspectsICS:Ta slovenski standard je istoveten z:EN 1999-1-5:2007SIST EN 1999-1-5:2007en,fr,de01-maj-2007SIST EN 1999-1-5:2007SLOVENSKI
STANDARDSIST ENV 1999-2:2002SIST ENV 1999-1-1:20021DGRPHãþD
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 1999-1-5February 2007ICS 13.220.50; 91.010.30; 91.080.10Supersedes ENV 1999-1-1:1998, ENV 1999-1-2:1998,ENV 1999-2:1998
English VersionEurocode 9 - Design of aluminium structures - Part 1-5: ShellstructuresEurocode 9 - Calcul des structures en aluminium - Partie 1-5 : CoquesEurocode 9 - Bemessung und Konstruktion vonAluminiumtragwerken - Teil 1-5: SchalenThis European Standard was approved by CEN on 11 October 2006.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the CEN Management Centre or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as theofficial versions.CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2007 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 1999-1-5:2007: ESIST EN 1999-1-5:2007
2 Content Page Foreword.5 National Annex for EN 1999-1-5.7 1 General.8 1.1 Scope.8 1.1.1 Scope of EN 1999.8 1.1.2 Scope of EN 1999-1-5.8 1.2 Normative references.9 1.3 Terms and definitions.10 1.3.1 Structural forms and geometry.10 1.3.2 Special definitions for buckling calculations.11 1.4 Symbols.12 1.5 Sign conventions.15 1.6 Coordinate systems.15 2 Basis of design.17 2.1 General.17 2.2 Consequence class and execution class.17 3 Materials and geometry.17 3.1 Material properties.17 3.2 Design values of geometrical data.17 3.3 Geometrical tolerances and geometrical imperfections.18 4 Durability.18 5 Structural analysis.18 5.1 Geometry.18 5.2 Boundary conditions.19 5.3 Actions and environmental influences.19 5.4 Stress resultants and stresses.20 5.5 Types of analysis.20 6 Ultimate limit state.21 6.1 Resistance of cross section.21 6.1.1 Design values of stresses.21 6.1.2 Design values of resistance.22 6.1.3 Stress limitation.22 6.1.4 Design by numerical analysis.22 6.2 Buckling resistance.23 6.2.1 General.23 6.2.2 Buckling-relevant geometrical tolerances.24 6.2.3 Shell in compression and shear.25 6.2.4 Effect of welding.27 6.2.5 Design by numerical analysis.30 7 Serviceability limit states.31 7.1 General.31 7.2 Deflections.31 Annex A [normative] - Expressions for shell buckling analysis.32 A.1 Unstiffened cylindrical shells of constant wall thickness.32 A.1.1 Notations and boundary conditions.32 A.1.2 Meridional (axial) compression.32 A.1.2.1 Critical meridional buckling stresses.32 SIST EN 1999-1-5:2007
3 A.1.2.2 Meridional buckling parameter.33 A.1.3 Circumferential (hoop) compression.34 A.1.3.1 Critical circumferential buckling stresses.34 A.1.3.2 Circumferential buckling parameter.35 A.1.4 Shear.37 A.1.4.1 Critical shear buckling stresses.37 A.1.4.2 Shear buckling parameters.38 A.1.5 Meridional (axial) compression with coexistent internal pressure.38 A.1.5.1 Pressurised critical meridional buckling stress.38 A.1.5.2 Pressurised meridional buckling parameters.38 A.1.6 Combinations of meridional (axial) compression, circumferential (hoop) compression and shear 39 A.2 Unstiffened cylindrical shells of stepwise wall thickness.40 A.2.1 General.40 A.2.1.1 Notations and boundary conditions.40 A.2.1.2 Geometry and joint offsets.41 A.2.2 Meridional (axial) compression.41 A.2.3 Circumferential (hoop) compression.41 A.2.3.1 Critical circumferential buckling stresses.41 A.2.3.2 Buckling strength verification for circumferential compression.44 A.2.4 Shear.44 A.2.4.1 Critical shear buckling stress.44 A.2.4.2 Buckling strength verification for shear.45 A.3 Unstiffened lap jointed cylindrical shells.45 A.3.1 General.45 A.3.1.1 Definitions.45 A.3.1.2 Geometry and stress resultants.45 A.3.2 Meridional (axial) compression.45 A.3.3 Circumferential (hoop) compression.45 A.3.4 Shear.46 A.4 Unstiffened conical shells.46 A.4.1 General.46 A.4.1.1 Notation.46 A.4.1.2 Boundary conditions.46 A.4.1.3 Geometry.47 A.4.2 Design buckling stresses.47 A.4.2.1 Equivalent cylinder.47 A.4.3 Buckling strength verification.47 A.4.3.1 Meridional compression.47 A.4.3.2 Circumferential (hoop) compression.48 A.4.3.3 Shear and uniform torsion.48 A.5 Stiffened cylindrical shells of constant wall thickness.48 A.5.1 General.
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