BS EN 1993-1-6-2007 Eurocode 3 Design of steel structures - Strength and Stability of Shell Structures《欧洲法规 3 钢结构的设计 壳层结构的强度和稳定性》.pdf

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1、BRITISH STANDARD BS EN 1993-1-6:2007 Eurocode 3 Design of steel structures Part 1-6: Strength and Stability of Shell Structures ICS 91.010.30; 91.080.10 Incorporating corrigendum April 2009National foreword This British Standard is the UK implementation of EN 1993-1-6:2007, incorporating corrigendum

2、 April 2009. The start and finish of text introduced or altered by corrigendum is indicated in the text by tags. Text altered by CEN corrigendum April 2009 is indicated in the text by . The structural Eurocodes are divided into packages by grouping Eurocodes for each of the main materials: concrete,

3、 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 The conflicting national standards will be withdrawn at the end of the co-existence period, after all the EN Eu

4、rocodes of a package are available. Following publication of the EN, there is a period allowed for national calibration during which the National Annex is issued, followed by a co- existence period of a maximum three years. During the co-existence period Member States are encouraged to adapt their n

5、ational provisions. At the end of this co-existence period, the conflicting parts of national standard(s) will be withdrawn. In the UK there are no conflicting national standards. The UK participation in its preparation was entrusted by Technical Committee B/525, Building and civil engineering struc

6、tures, to Subcommittee B/525/31, Structural use of steel. A list of organizations 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 n

7、ormative text as Recommended Values, and a note will qualify it as a Nationally Determined Parameter (NDP). 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. UK National Annex to BS EN 1993-1-

8、6 To enable EN 1993-1-6 to be used in the UK, the committee has decided that no National Annex will be issued and recommend the following: all the Recommended Values should be used; all Informative Annexes may be used; and no NCCI have currently been identified. This publication does not purport to

9、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 1993-1-6:2007 This British Standard was published under the authority of the Standards Policy and Strategy Co

10、mmittee on 31 May 2007 BSI 2010 Amendments/corrigenda issued since publication Date Comments 28 February 2010 ISBN 978 0 580 66397 0 Implementation of CEN corrigendum April 2009, and correction to national forewordEUROPEAN STANDARD NORMEEUROP ENNE EUROP ISCHENORM EN 1993-1-6 February 2007 ICS 91.010

11、.30; 91.080.10 Supersedes ENV 1993-1-6:1999 English Version Eurocode 3 - Design of steel structures - Part 1-6: Strength and Stability of Shell Structures Eurocode 3 - Calcul des structures en acier - Partie 1-6: Rsistanceetstabilitdesstructuresencoque Eurocode 3 - Bemessung und Konstruktion von Sta

12、hlbautenTeil16:FestigkeitundStabilittvonSchalen This European Standard was approved by CEN on 12 June 2006. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alterat

13、ion. Up-to-date lists and bibliographical references concerning such national standards 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 transl

14、ation under the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany

15、, 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 STANDARDIZATION COMIT EUROP ENDENORMALISATION EUROP ISCHESKOMITEEF RNORMUNG Mana

16、gement Centre: rue de Stassart, 36 B-1050 Brussels 2007 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 1993-1-6:2007: EIncorporating corrigendum April 2009EN 1993-1-6: 2007 (E) 2 Contents Page 1. General 4 1.1 Scope 4 1.2 Normativ

17、e references 5 1.3 Terms and definitions 6 1.4 Symbols 11 1.5 Sign conventions 15 2 Basis of design and modelling 15 2.1 General 15 2.2 Types of analysis 15 2.3 Shell boundary conditions 17 3 Materials and geometry 18 3.1 Material properties 18 3.2 Design values of geometrical data 18 3.3 Geometrica

18、l tolerances and geometrical imperfections 18 4 Ultimate limit states in steel shells 19 4.1 Ultimate limit states to be considered 19 4.2 Design concepts for the limit states design of shells 20 5 Stress resultants and stresses in shells 23 5.1 Stress resultants in the shell 23 5.2 Modelling of the

19、 shell for analysis 23 5.3 Types of analysis 26 6 Plastic limit state (LS1) 26 6.1 Design values of actions 26 6.2 Stress design 26 6.3 Design by global numerical MNA or GMNA analysis 27 6.4 Direct design 28 7 Cyclic plasticity limit state (LS2) 28 7.1 Design values of actions 28 7.2 Stress design 2

20、9 7.3 Design by global numerical MNA or GMNA analysis 29 7.4 Direct design 30 8 Buckling limit state (LS3) 30 8.1 Design values of actions 30 8.2 Special definitions and symbols 30 8.3 Buckling-relevant boundary conditions 31 8.4 Buckling-relevant geometrical tolerances 31 8.5 Stress design 38 8.6 D

21、esign by global numerical analysis using MNA and LBA analyses 40 8.7 Design by global numerical analysis using GMNIA analysis 43 9 Fatigue limit state (LS4) 48 9.1 Design values of actions 48 9.2 Stress design 48 BS EN 1993-1-6:2007EN 1993-1-6: 2007 (E) 3 9.3 Design by global numerical LA or GNA ana

22、lysis 49 ANNEX A (normative) 50 Membrane theory stresses in shells 50 A.1 General 50 A.2 Unstiffened cylindrical shells 51 A.3 Unstiffened conical shells 52 A.4 Unstiffened spherical shells 53 ANNEX B (normative) 54 Additional expressions for plastic collapse resistances 54 B.1 General 54 B.2 Unstif

23、fened cylindrical shells 55 B.3 Ring stiffened cylindrical shells 57 B.4 Junctions between shells 59 B.5 Circular plates with axisymmetric boundary conditions 62 ANNEX C (normative) 63 Expressions for linear elastic membrane and bending stresses 63 C.1 General 63 C.2 Clamped base unstiffened cylindr

24、ical shells 64 C.3 Pinned base unstiffened cylindrical shells 66 C.4 Internal conditions in unstiffened cylindrical shells 68 C.5 Ring stiffener on cylindrical shell 69 C.6 Circular plates with axisymmetric boundary conditions 71 ANNEX D (normative) 73 Expressions for buckling stress 73 D.1 Unstiffe

25、ned cylindrical shells of constant wall thickness 73 D.2 Unstiffened cylindrical shells of stepwise variable wall thickness 83 D.3 Unstiffened lap jointed cylindrical shells 88 D.4 Unstiffened complete and truncated conical shells 90 Foreword This European Standard EN 1993-1-6, Eurocode 3: Design of

26、 steel structures: Part 1-6 Strength and stability of shell structures, has been prepared by Technical Committee CEN/TC250 Structural Eurocodes , the Secretariat of which is held by BSI. CEN/TC250 is responsible for all Structural Eurocodes. This European Standard shall be given the status of a Nati

27、onal Standard, either by publication of an identical text or by endorsement, at the latest by August 2007, and conflicting National Standards shall be withdrawn at latest by March 2010. This Eurocode supersedes ENV 1993-1-6. According to the CEN-CENELEC Internal Regulations, the National Standard Or

28、ganizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, ! text deleted“ BS EN 1993-1-6:2007EN 1993-1-6: 2007 (E) 4 Latvia, Lithuania,

29、 Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. National annex for EN 1993-1-6 This standard gives alternative procedures, values and recommendations with notes indicating where national choices may have to be mad

30、e. Therefore the National Standard implementing EN 1993-1-6 should have a National Annex containing all Nationally Determined Parameters to be used for the design of steel structures to be constructed in the relevant country. National choice is allowed in EN 1993-1-6 through: - 3.1.(4) - 4.1.4 (3) -

31、 5.2.4 (1) - 6.3 (5) - 7.3.1 (1) - 7.3.2 (1) - 8.4.2 (3) - 8.4.3 (2) - 8.4.3 (4) - 8.4.4 (4) - 8.4.5 (1) - 8.5.2 (2) - 8.5.2 (4) - 8.7.2 (7) - 8.7.2 (16) - 8.7.2 (18) (2 times) - 9.2.1 (2)P 1. General 1.1 Scope (1) EN 1993-1-6 gives basic design rules for plated steel structures that have the form o

32、f a shell of revolution. (2) This Standard is intended for use in conjunction with EN 1993-1-1, EN 1993-1-3, EN 1993-1-4, EN 1993-1-9 and the relevant application parts of EN 1993, 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 f

33、or pipelines. (3) This Standard defines the characteristic and design values of the resistance of the structure. BS EN 1993-1-6:2007EN 1993-1-6: 2007 (E) 5 (4) This Standard is concerned with the requirements for design against the ultimate limit states of: plastic limit; cyclic plasticity; buckling

34、; fatigue. (5) Overall equilibrium of the structure (sliding, uplifting, overturning) is not included in this Standard, but is treated in EN 1993-1-1. Special considerations for specific applications are included in the relevant application parts of EN 1993. (6) The provisions in this Standard apply

35、 to axisymmetric shells and associated circular or annular plates and to beam section rings and stringer stiffeners where they form part of the complete structure. General procedures for computer calculations of all shell forms are covered. Detailed expressions for the hand calculation of unstiffene

36、d cylinders and cones are given in the Annexes. (7) Cylindrical and conical panels are not explicitly covered by this Standard. However, the provisions can be applicable if the appropriate boundary conditions are duly taken into account. (8) This Standard is intended for application to steel shell s

37、tructures. Where no standard exists for shell structures made of other metals, the provisions of this standards may be applied provided that the appropriate material properties are duly taken into account. (9) The provisions of this Standard are intended to be applied within the temperature range de

38、fined in the relevant EN 1993 application parts. The maximum temperature is restricted so that the influence of creep can be neglected if high temperature creep effects are not covered by the relevant application part. (10) The provisions in this Standard apply to structures that satisfy the brittle

39、 fracture provisions given in EN 1993-1-10. (11) The provisions of this Standard apply to structural design under actions that can be treated as quasi-static in nature. (12) In this Standard, it is assumed that both wind loading and bulk solids flow can, in general, be treated as quasi-static action

40、s. (13) Dynamic effects should be taken into account according to the relevant application part of EN 1993, including the consequences for fatigue. However, the stress resultants arising from dynamic behaviour are treated in this part as quasi-static. (14) The provisions in this Standard apply to st

41、ructures that are constructed in accordance with EN 1090-2. (15) This Standard does not cover the aspects of leakage. (16) This Standard is intended for application to structures within the following limits: design metal temperatures within the range -50C to +300C; radius to thickness ratios within

42、the range 20 to 5000. NOTE: It should be noted that the stress design rules of this standard may be rather conservative if applied to some geometries and loading conditions for relatively thick-walled shells. 1.2 Normative references (1) This European Standard incorporates, by dated or undated refer

43、ence, provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any BS EN 1993-1-6:2007EN 1993-1-6: 2007 (E) 6 of these publications apply to

44、 this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies. EN 1090-2 Execution of steel structures and aluminium structures Part 2: Technical requirements for steel structures; EN 1990 Basis of stru

45、ctural design; EN 1991 Eurocode 1: Actions on structures ; EN 1993 Eurocode 3: Design of steel structures: Part 1.1: General rules and rules for buildings; Part 1.3: Cold formed thin gauged members and sheeting; Part 1.4: Stainless steels; Part 1.5: Plated structural elements; Part 1.9: Fatigue stre

46、ngth of steel structures; Part 1.10: Selection of steel for fracture toughness and through-thickness properties; Part 1.12: Additional rules for the extension of EN 1993 up to steel grades S 700 Part 2: Steel bridges; Part 3.1: Towers and masts; Part 3.2: Chimneys; Part 4.1: Silos; Part 4.2: Tanks;

47、Part 4.3: Pipelines; Part 5: Piling. 1.3 Terms and definitions The terms that are defined in EN 1990 for common use in the Structural Eurocodes apply to this Standard. Unless otherwise stated, the definitions given in ISO 8930 also apply in this Standard. Supplementary to EN 1993-1-1, for the purpos

48、es of this Standard, the following definitions apply: 1.3.1 Structural forms and geometry 1.3.1.1 shell A structure or a structural component formed from a curved thin plate. 1.3.1.2 shell of revolution A shell whose geometric form is defined by a middle surface that is formed by rotating a meridion

49、al generator line around a single axis through 2p radians. The shell can be of any length. 1.3.1.3 complete axisymmetric shell A shell composed of a number of parts, each of which is a shell of revolution. 1.3.1.4 shell segment A shell of revolution in the form of a defined shell geometry with a constant wall thickness: a cylinder, conical frustum, spherical frustum, annular plate, toroidal knuckle or other form. BS EN 1993-1-6:2007