1、BRITISH STANDARDBS EN 1993-1-8:2005Eurocode 3: Design of steel structures Part 1-8: Design of jointsICS 91.010.30; 91.080.10g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g5
2、3g44g42g43g55g3g47g36g58Incorporating Corrigenda December 2005, September 2006, July 2009 and August 2010National forewordThis British Standard is the UK implementation of EN 1993-1-8:2005, incorporating corrigenda December 2005 and July 2009. It supersedes DD ENV 1993-1-1:1992, which is withdrawn.T
3、he start and finish of text introduced or altered by corrigendum is indicated in the text by tags. Tags indicating changes to CEN text carry the number of the CEN corrigendum. For example, text altered by December 2005 corrigendum is indicated by .The structural Eurocodes are divided into packages b
4、y grouping Eurocodes for each of the main materials: 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 withdr
5、awn at the end of the co-existence period, after all the EN Eurocodes 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-ex
6、istence period Member States are encouraged to adapt their national provisions. At the end of this co-existence period, the conflicting parts of national standard(s) will be withdrawn.In the UK, the primary corresponding national standards are:BS 449-2:1969, Specification for the use of structural s
7、teel in building. Metric units BS 4604-1:1970, Specification for the use of high strength friction grip bolts in structural steelwork. Metric series. General grade BS 4604-2:1970, Specification for the use of high strength friction grip bolts in structural steelwork. Metric series. Higher grade (par
8、allel shank)BS 5400-3:2000, Steel, concrete and composite bridges. Code of practice for design of steel bridges BS 5950-1:2000, Structural use of steelwork in building. Code of practice for design. Rolled and welded sections BS EN 1993-1-1 partially supersedes BS 449-2, BS 4604-1, BS 4604-2, BS 5400
9、-3, and BS 5950-1, which will be withdrawn by March 2010. The UK participation in its preparation was entrusted by Technical Committee B/525, Building and civil engineering structures, to Subcommittee B/525/31, Structural use of steel.BS EN 1993-1-8:2005This British Standard, was published under the
10、 authority of the Standards Policy and Strategy Committee on 17 May 2005 BSI 2010Amendments/corrigenda issued since publicationAmd. No. Date Comments 16291Corrigendum No. 1June 2006 Implementation of CEN corrigendum December 200516571Corrigendum No. 2September 2006 Revision of national foreword and
11、supersession details28 February 2010 Implementation of CEN corrigendum July 2009ISBN 978 0 580 72497 831 August 2010Correction to brace failure equation on Table 7.14A list of organizations represented on this subcommittee can be obtained on request to its secretary.Where a normative part of this EN
12、 allows for a choice to be made at the national level, the range and possible choice will be given in the normative 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 me
13、thod or a particular application rule if several are proposed in the EN.To enable EN 1993-1-8 to be used in the UK, the NDPs have been published in a National Annex, which has been issued separately by BSI.This publication does not purport to include all the necessary provisions of a contract. Users
14、 are responsible for its correct application. Compliance with a British Standard cannot confer immunity from legal obligations.BS EN 1993-1-8:2005iblankEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORMEN 1993-1-8 May 2005 ICS 91.010.30 Supersedes ENV 1993-1-1:1992 English version Eurocode 3: Design
15、of steel structures - Part 1-8: Design of jointsEurocode 3: Calcul des structures en acier - Partie 1-8: Calcul des assemblages Eurocode 3: Bemessung und Konstruktion von Stahlbauten - Teil 1-8: Bemessung von Anschlssen This European Standard was approved by CEN on 16 April 2004. CEN members are bou
16、nd 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 alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the C
17、entral Secretariat or to any CEN member. This European 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
18、as the official versions. CEN members are the national 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,
19、Spain, Sweden, Switzerland and United Kingdom. EUROPEAN 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 natio
20、nal Members. Ref. No. EN 1993-1-8:2005: EIncorporating CorrigendaDecember 2005 and July 20092Contents Page1 Introduction . 81.1 Scope . 81.2 Normative references. 81.3 Distinction between Principles and Application Rules 101.4 Terms and definitions .101.5 Symbols 132 Basis of design.182.1 Assumption
21、s .182.2 General requirements182.3 Applied forces and moments 182.4 Resistance of joints.182.5 Design assumptions 192.6 Joints loaded in shear subject to impact, vibration and/or load reversal 192.7 Eccentricity at intersections193 Connections made with bolts, rivets or pins.203.1 Bolts, nuts and wa
22、shers 203.1.1 General .203.1.2 Preloaded bolts .203.2 Rivets203.3 Anchor bolts .213.4 Categories of bolted connections213.4.1 Shear connections.213.4.2 Tension connections .213.5 Positioning of holes for bolts and rivets .233.6 Design resistance of individual fasteners .243.6.1 Bolts and rivets .243
23、.6.2 Injection bolts .283.7 Group of fasteners 293.8 Long joints293.9 Slip-resistant connections using 8.8 or 10.9 bolts 303.9.1 Design Slip resistance.303.9.2 Combined tension and shear.313.9.3 Hybrid connections.313.10 Deductions for fastener holes .313.10.1 General .313.10.2 Design for block tear
24、ing .323.10.3 Angles connected by one leg and other unsymmetrically connected members in tension.333.10.4 Lug angles 343.11 Prying forces.343.12 Distribution of forces between fasteners at the ultimate limit state343.13 Connections made with pins.353.13.1 General .353.13.2 Design of pins.354 Welded
25、connections 384.1 General .384.2 Welding consumables.384.3 Geometry and dimensions 384.3.1 Type of weld.384.3.2 Fillet welds .384.3.3 Fillet welds all round 404.3.4 Butt welds.404.3.5 Plug welds 41BS EN 1993-1-8:2005EN 1993-1-8:2005 (E)34.3.6 Flare groove welds414.4 Welds with packings.414.5 Design
26、resistance of a fillet weld424.5.1 Length of welds 424.5.2 Effective throat thickness .424.5.3 Design Resistance of fillet welds424.6 Design resistance of fillet welds all round444.7 Design resistance of butt welds 454.7.1 Full penetration butt welds .454.7.2 Partial penetration butt welds .454.7.3
27、T-butt joints 454.8 Design resistance of plug welds .454.9 Distribution of forces464.10 Connections to unstiffened flanges.464.11 Long joints484.12 Eccentrically loaded single fillet or single-sided partial penetration butt welds 484.13 Angles connected by one leg484.14 Welding in cold-formed zones
28、.495 Analysis, classification and modelling 505.1 Global analysis .505.1.1 General .505.1.2 Elastic global analysis 505.1.3 Rigid-plastic global analysis.515.1.4 Elastic- plastic global analysis515.1.5 Global analysis of lattice girders 525.2 Classification of joints545.2.1 General .545.2.2 Classifi
29、cation by stiffness.545.2.3 Classification by strength .555.3 Modelling of beam-to-column joints566 Structural joints connecting H or I sections.606.1 General .606.1.1 Basis .606.1.2 Structural properties .606.1.3 Basic components of a joint616.2 Design Resistance.656.2.1 Internal forces.656.2.2 She
30、ar forces 656.2.3 Bending moments.666.2.4 Equivalent T-stub in tension.676.2.5 Equivalent T-stub in compression 706.2.6 Design Resistance of basic components.716.2.7 Design moment resistance of beam-to-column joints and splices846.2.8 Design resistance of column bases with base plates.896.3 Rotation
31、al stiffness .926.3.1 Basic model 926.3.2 Stiffness coefficients for basic joint components .946.3.3 End-plate joints with two or more bolt-rows in tension .976.3.4 Column bases986.4 Rotation capacity 996.4.1 General .996.4.2 Bolted joints1006.4.3 Welded Joints .1007 Hollow section joints.1017.1 Gen
32、eral .101BS EN 1993-1-8:2005EN 1993-1-8:2005 (E)47.1.1 Scope 1017.1.2 Field of application.1017.2 Design.1037.2.1 General .1037.2.2 Failure modes for hollow section joints1037.3 Welds1077.3.1 Design resistance 1077.4 Welded joints between CHS members .1087.4.1 General .1087.4.2 Uniplanar joints 1087
33、.4.3 Multiplanar joints .1157.5 Welded joints between CHS or RHS brace members and RHS chord members .1167.5.1 General .1167.5.2 Uniplanar joints 1177.5.3 Multiplanar joints .1287.6 Welded joints between CHS or RHS brace members and I or H section chords .1297.7 Welded joints between CHS or RHS brac
34、e members and channel section chord members 132BS EN 1993-1-8:2005EN 1993-1-8:2005 (E)5Foreword This European Standard EN 1993, Eurocode 3: Design of steel structures, has been prepared by Technical Committee CEN/TC250 Structural Eurocodes , the Secretariat of which is held by BSI. CEN/TC250 is resp
35、onsible 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 endorsement, at the latest by November 2005, and conflicting National Standards shall be withdrawnat latest by March 2010. This Eurocode supe
36、rsedes ENV 1993-1-1. According to the CEN-CENELEC Internal Regulations, the National Standard Organizations of the following countries are bound to implement these European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Irela
37、nd, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. Background to the Eurocode programme In 1975, the Commission of the European Community decided on an action programme in the field of constructio
38、n, based on article 95 of the Treaty. The objective of the programme was the elimination of technical obstacles to trade and the harmonization of technical specifications. Within this action programme, the Commission took the initiative to establish a set of harmonized technical rules for the design
39、 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 develop
40、ment of the Eurocodes programme, which led to the first generation of European codes in the 1980s. In 1989, the Commission and the Member States of the EU and EFTA decided, on the basis of an agreement1between the Commission and CEN, to transfer the preparation and the publication of the Eurocodes t
41、o CEN through a series of Mandates, in order to provide them with a future status of European Standard (EN). This links de facto the Eurocodes with the provisions of all the Councils Directives and/or Commissions Decisions dealing with European standards (e.g. the Council Directive 89/106/EEC on con
42、struction products - CPD - and Council Directives 93/37/EEC, 92/50/EEC and 89/440/EEC on public works and services and equivalent EFTA Directives initiated in pursuit of setting up the internal market). The Structural Eurocode programme comprises the following standards generally consisting of a num
43、ber of Parts: EN 1990 Eurocode 0: Basis of Structural Design EN 1991 Eurocode 1: Actions on structures EN 1992 Eurocode 2: Design of concrete structures EN 1993 Eurocode 3: Design of steel structures EN 1994 Eurocode 4: Design of composite steel and concrete structures EN 1995 Eurocode 5: Design of
44、timber structures EN 1996 Eurocode 6: Design of masonry structures EN 1997 Eurocode 7: Geotechnical design EN 1998 Eurocode 8: Design of structures for earthquake resistance EN 1999 Eurocode 9: Design of aluminium structures 1Agreement between the Commission of the European Communities and the Europ
45、ean Committee for Standardisation (CEN) concerning the work on EUROCODES for the design of building and civil engineering works (BC/CEN/03/89).BS EN 1993-1-8:2005EN 1993-1-8:2005 (E)6Eurocode standards recognize the responsibility of regulatory authorities in each Member State and have safeguarded t
46、heir right to determine values related to regulatory safety matters at national level where these continue to vary from State to State. Status and field of application of eurocodes The Member States of the EU and EFTA recognize that Eurocodes serve as reference documents for the following purposes :
47、 as a means to prove compliance of building and civil engineering works with the essential requirements of Council Directive 89/106/EEC, particularly Essential Requirement N1 Mechanical resistance and stability and Essential Requirement N2 Safety in case of fire; as a basis for specifying contracts
48、for construction works and related engineering services; as a framework for drawing up harmonized technical specifications for construction products (ENs and ETAs) The Eurocodes, as far as they concern the construction works themselves, have a direct relationship with the Interpretative Documents2re
49、ferred to in Article 12 of the CPD, although they are of a different nature from harmonized product standards3. Therefore, technical aspects arising from the Eurocodes work need to be adequately considered by CEN Technical Committees and/or EOTA Working Groups working on product standards with a view to achieving full compatibility of these technical specifications with the Eurocodes. The Eurocode standards provide common structural design rules for everyday use for the design of whole structures and component products of both a traditional and an innovative
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