1、BRITISH STANDARDBS EN 1993-1-12:2007Eurocode 3 Design of steel structures Part 1-12: Additional rules for the extension of EN 1993 up to steel grades S 700ICS 91.010.30; 91.080.10g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g
2、54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58IncorporatingcorrigendumApril 2009National forewordThis British Standard is the UK implementation of EN 1993-1-12:2007, incorporating corrigendum April 2009.The start and finish of text introduced or altered by corrigendu
3、m is indicated in the text by tags. Text altered by CEN corrigendum April 2009 is indicated in the text by .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.A list of organ
4、izations represented on this subcommittee can be obtained on request to its secretary.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 obliga
5、tions.BS EN 1993-1-12:2007This British Standard waspublished under the authorityof the Standards Policy andStrategy Committeeon 31 May 2007 BSI 2010Amendments/corrigenda issued since publicationDate Comments 30 April 2010 Implementation of CEN corrigendum April 2009ISBN 978 0 580 67794 6EUROPEAN STA
6、NDARDNORME EUROPENNEEUROPISCHE NORMEN 1993-1-12February 2007ICS 91.010.30; 91.080.10English VersionEurocode 3 - Design of steel structures - Part 1-12: Additionalrules for the extension of EN 1993 up to steel grades S 700Eurocode 3 - Calcul des structures en acier - Partie 1-12 :Rgles additionnelles
7、 pour lutilisation de lEN 1993 jusqula nuance dacier S 700Eurocode 3: Bemessung und Konstruktion von Stahlbauten- Teil 1-12: Zustzliche Regeln zur Erweiterung von EN1993 auf Stahlsorten bis S 700This European Standard was approved by CEN on 6 July 2006.CEN members are bound to comply with the CEN/CE
8、NELEC 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
9、 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
10、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
11、, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue de Stassart, 36 B-1050 Brussels 2007 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. N
12、o. EN 1993-1-12:2007: EIncorporating corrigendum April 2009EN 1993-1-12:2007 (E) 2 Contents Page Foreword 3 1 General 3 1.1 Scope 3 1.2 Normative references . 4 1.3 Symbols 4 2 Additional rules to EN 1993-1-1 to EN 1993-1-11 5 2.1 Additional rules to EN 1993-1-1 5 2.2 Additional rules to EN 1993-1-2
13、 6 2.3 Additional rules to EN 1993-1-3 6 2.4 Additional rules to EN 1993-1-4 6 2.5 Additional rules to EN 1993-1-5 7 2.6 Additional rules to EN 1993-1-6 7 2.7 Additional rules to EN 1993-1-7 7 2.8 Additional rules to EN 1993-1-8 7 2.9 Additional rules to EN 1993-1-9 8 2.10 Additional rules to EN 199
14、3-1-10 8 2.11 Additional rules to EN 1993-1-11 9 3 Additional rules to application parts EN 1993-2 to EN 1993-6 9 BS EN 1993-1-12:2007EN 1993-1-12: 2007 (E) 3 Foreword This European Standard EN 1993-1-12, “Eurocode 3: Design of steel structures: Part 1-12: Additional rules for the extension of EN 19
15、93 up to steel grades S 700”, 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 National Standard, either by publication of an
16、 identical text or by endorsement, at the latest by August 2007, and conflicting National Standards shall be withdrawn at latest by March 2010. According to the CEN-CENELEC Internal Regulations, the National Standard Organizations of the following countries are bound to implement this European Stand
17、ard: 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. Nati
18、onal annex for EN 1993-1-12 This standard gives alternative procedures, values and recommendations with notes indicating where national choices may have to be made. Therefore the National Standard implementing EN 1993-1-12 should have a National annex containing all Nationally Determined Parameters
19、to be used for the design of steel structures to be constructed in the relevant country. National choice is allowed in EN 1993-1-12 through: 2.1 (3.1(2) 2.1 (3.2.2(1) 2.1 (5.4.3(1) 2.1 (6.2.3(2) 2.8 (4.2(2) 3 (1) 1 General 1.1 Scope (1) This EN 1993-1-12 gives rules that can be used in conjunction w
20、ith parts - EN1993-1-1 - EN 1993-1-2 - EN 1993-1-3 - EN 1993-1-4 - EN 1993-1-5 - EN 1993-1-6 - EN 1993-1-7 - EN 1993-1-8 BS EN 1993-1-12:2007EN 1993-1-12:2007 (E) 4 - EN 1993-1-9 - EN 1993-1-10 - EN 1993-1-11 - EN 1993-2 - EN 1993-3-1 - EN 1993-3-2 - EN 1993-4-1 - EN 1993-4-2 - EN 1993-4-3 - EN 1993
21、-5 - EN 1993-6 to enable steel structures to be designed with steel of grades greater than S460 up to S700. (2) Where it is necessary to alter a rule in other parts to enable up to S700 to be used, it is stated what needs to be done, either by noting that a rule is not to be used with steel grades g
22、reater than S460, then giving the one that is required, or by giving an additional rule or rules. 1.2 Normative references (1) This European Standard incorporates, by dated or undated reference, provisions from other publications. These normative references are cited at the appropriate places in the
23、 text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to ap
24、plies. EN 499 Welding consumables Covered electrodes for manual metal arc welding of non alloy and fine grain steels Classification EN 10025-6 Hot rolled products of structural steels - Part 6: Technical delivery conditions for flat products of high yield strength structural steels in the quenched a
25、nd tempered condition EN 10149-1 Hot-rolled flat products made of high yield strength steels for cold forming Part 1: General delivery conditions EN 10149-2 Hot-rolled flat products made of high yield strength steels for cold forming Part 2: Delivery conditions for thermomechanically rolled steels E
26、N 12534 Welding consumables Wire electrodes, wires, rods and deposits for gas shielded metal arc welding of high strength steels Classification EN 12535 Welding consumables Tubular cored electrodes for gas shielded metal arc welding of high strength steels Classification 1.3 Symbols (1) Symbols used
27、 in this standard are defined in the standards referred to. BS EN 1993-1-12:2007EN 1993-1-12: 2007 (E) 5 2 Additional rules to EN 1993-1-1 to EN 1993-1-11 2.1 Additional rules to EN 1993-1-1 3.1(2) Additional note: NOTE The National Annex may specify steel grades greater than S460 up to S700 for gen
28、eral use or for use in specific applications. The grades in Tables 1 and 2 and the nominal values that may be used for their yield strengths and ultimate tensile strength are recommended for use, provided that the rules in this Part 1.12 are followed. Table 1 Nominal values of yield strength fyand u
29、ltimate tensile strength fufor hot rolled structural steel Nominal thickness of the element t mm t50 mm 50 mmt100 mm 100 mmt150 mm EN10025-6 Steel grade and qualities fyN/mm2 fuN/mm2 fyN/mm2 fuN/mm2 fyN/mm2 fuN/mm2 S 500Q/QL/QL1 500 590 480 590 440 540 S 550Q/QL/QL1 550 640 530 640 490 590 S 620Q/QL
30、/QL1 620 700 580 700 560 650 S 690Q/QL/QL1 690 770 650 760 630 710 Table 2 Nominal values of yield strength fyand ultimate tensile strength fufor hot rolled flat products. EN 10149-2a) 1,5 mm t 8 mm 8 mm t 16 mm fyN/mm2 fuN/mm2fyN/mm2fuN/mm2 S 500MC 500 550 500 550 S 550MC 550 600 550 600 S 600MC 60
31、0 650 600 650 S 650MC 650 700 630 700 S 700MC 700 750 680 750 a) Verification of the impact energy in accordance with EN 10149-1 Clause 11, Option 5 should be specified. 3.2.2(1) Additional note: NOTE The limiting values of the ratio fu/fy, the elongation at failure and the ultimate strain ufor stee
32、ls greater than S460 up to S700 may be defined in the National Annex. The following values are recommended: - fu/fy 1,05; - elongation at failure not less than 10 %; - u 15fy/E. 3.2.2(2) Additional notes: NOTE 1 Steels with grades greater than S460 up to S700 conforming to one of the steel grades li
33、sted in Tables 1 and 2 should be accepted as satisfying these requirements. NOTE 2 The ability of a steel structure to absorb deformation is related to both the elongation and the toughness properties of its constituent steel products. The global performance required depends on the anticipated defor
34、mations. The local performance required depends on the details used. Due to higher stress levels, structures of steels according to Tables 1 and 2 require special care in both the control of deformations BS EN 1993-1-12:2007EN 1993-1-12:2007 (E) 6 and in detailing to avoid notches and other stress c
35、oncentrations. The global analysis should consider imposed deformations where relevant. 5.4.1 (3) Additional rule: Not applicable to steels with grades greater than S460 up to S700. 5.4.1 (4)B Additional rule: Not applicable to steels with grades greater than S460 up to S700. 5.4.3(1) Additional rul
36、e: For steels of grades greater than S460 up to S700, the global analysis using non-linear plastic analysis considering partial plastification of members in plastic zones only, applies. NOTE: The National Annex may specify additional rules for steels according to Tables 1 and 2. Rules for design wit
37、h FEM are given in Informative Annex C of EN 1993-1-5. 6.2.3(2) Additional rule: For steels with grades greater than S460 up to S700 the design resistance of a net section should be taken as 12,9,0MunetRdtfAN= (6.7a) where M12is the partial factor for net section resistance for steels with grades gr
38、eater than S460 up to S700. NOTE: The National Annex may specify the value of M12. The value M12= M2= 1,25 is recommended. 6.2.3(3) Additional rules: Steels with grades greater than S460 up to S700 should not be used for applications where capacity design is required. Table 6.2 Additional rule: The
39、rules for S 460 also apply for steels with grades greater than S460 up to S700. 2.2 Additional rules to EN 1993-1-2 The standard is applicable to steels with grades greater than S460 up to S700 without further additional rules. 2.3 Additional rules to EN 1993-1-3 The standard is applicable to steels
40、 with grades greater than S460 up to S700 without further additional rules. 2.4 Additional rules to EN 1993-1-4 EN 1993-1-4 is not applicable. BS EN 1993-1-12:2007EN 1993-1-12: 2007 (E) 7 2.5 Additional rules to EN 1993-1-5 The standard is applicable to steels with grades greater than S460 up to S70
41、0 without further additional rules. 2.6 Additional rules to EN 1993-1-6 Annex B is not applicable to steels with grades greater than S460 up to S700. 2.7 Additional rules to EN 1993-1-7 The standard is applicable to steels with grades greater than S460 up to S700 without further additional rules. 2.
42、8 Additional rules to EN 1993-1-8 1.1(1) Additional rules: EN 1993-1-8 may be applied also to steels with grades greater than S460 up to S700 if the following additional rules are applied. 3.6.1(1) For steels with grades greater than S460 up to S700 and bolts loaded in shear in oversize and slotted
43、holes should only be used for category C connections. 3.10.3(2) Not applicable to steels with grades greater than S460 up to S700. 3.10.4 Not applicable to steels with grades greater than S460 up to S700. 3.12(2) This clause also applies to connections in steels with grades greater than S460 up to S
44、700. 4.2(2) Additional rule: For steels with grades greater than S460 up to S700 the filler metal may have lower strength than the base material. NOTE The National Annex may give restrictions for the use of such undermatched electrodes. 4.5.3.2(6) Additional rule: For under matched electrodes that a
45、re used for steels with grades greater than S460 up to S700 fushouldbe substituted with the ultimate strength of the filler metal feuaccording to Table 3 for electrodes according to EN 499, EN 12534 and EN 12535. wshould be taken as 1,0. Table 3 Ultimate strength feuof electrodes Strength class 35 4
46、2 55 62 69 Ultimate strength feu N/mm2440 500 640 700 770 4.7.1(1) Additional rule: The resistance of welded connections with undermatched electrodes with steel grades greater than S460 up to S700 should be based on the strength of the filler metal. BS EN 1993-1-12:2007EN 1993-1-12:2007 (E) 8 4.11 A
47、dditional rule: For steel grades greater than S460 up to S700 longitudinal fillet welds in lap joints with steel grades greater than S460 up to S700 should not be longer than 50a unless the non-uniform stress distribution is taken into account in the design. 5.1.3 Not applicable to steels with grade
48、s greater than S460 up to S700. 5.1.4 Not applicable to steels with grades greater than S460 up to S700. 5.2.2.4 Not applicable to steels with grades greater than S460 up to S700. 6 Additional rules: The rules for semi-rigid joints are not applicable for steels with grades greater than S460 up to S7
49、00. If non-linear plastic global analysis considering the partial plastification of members in plastic zones is used, connections between members should only be on the basis of full-strength joints. If elastic global analysis is used, connection with partial-strength joints may be used, provided that the resistance of joints exceeds the design values of the internal forces and moments in the connected elements. In both cases the resistance of joints should be determined bas
