1、BRITISH STANDARDBS EN ISO 17660-2:2006Welding Welding of reinforcing steel Part 2: Non load-bearing welded jointsICS 25.160.10g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60
2、g53g44g42g43g55g3g47g36g58Incorporating Corrigendum December 2008BS EN ISO 17660-2:2006This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 March 2008 BSI 2008ISBN 978 0 580 65547 0National forewordThis British Standard is the UK implementation
3、 of EN ISO 17660-2:2006. It is identical with ISO 17660-2:2006. Together with BS EN ISO 17760-1:2006 it One of the principal differences between BS 7123 and this standard is that BS 7123 offered more practical guidance on the welding process issues, some of these issues have been highlighted in the
4、National Annex and further guidance can be found in parts 1 to 3 of BS EN 1011. This standard is best used in conjunction with the National Annexes and the general good practices set out in the BS EN 1011 series.The UK participation in its preparation was entrusted to Technical Committee, WEE/43, We
5、lding of steel for concrete reinforcement.A list of organizations represented on this committee 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 Bri
6、tish Standard cannot confer immunity from legal obligations.Amendments/corrigenda issued since publicationDate Commentssupersedes BS 7123:1989 which is withdrawn.31 December 2008 Correction to supersession detailsEUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN ISO 17660-2September 2006ICS 25.160.1
7、0English VersionWelding - Welding of reinforcing steel - Part 2: Non load-bearingwelded joints (ISO 17660-2:2006)Soudage - Soudage des aciers darmatures - Partie 2:Assemblages non transmettants (ISO 17660-2:2006)Schweien - Schweien von Betonstahl - Tel 2:Nichttragende Schweiverbindungen (ISO 17660-2
8、:2006)This European Standard was approved by CEN on 2 August 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 r
9、eferences concerning such nationalstandards may be obtained on application to the Central 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 translationunder the responsibility of a CEN member i
10、nto its own language and notified to the Central Secretariat has the same status as the officialversions.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,
11、Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania,Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue de Stassart, 36 B-1050 Brussels 2006 CEN All ri
12、ghts of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN ISO 17660-2:2006: EForeword This document (EN ISO 17660-2:2006) has been prepared by Technical Committee CEN/TC 121 “Welding“, the secretariat of which is held by DIN, in collaboration with Techn
13、ical Committee ISO/TC 44 “Welding and allied processes“. 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 March 2007, and conflicting national standards shall be withdrawn at the latest by March 20
14、07. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia
15、, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. BS EN ISO 17660-2:2006ISO 17660-2:2006(E) iiiContents Page Foreword iv Introduction v 1 Scope . 1 2 Normative references . 1 3 Terms and definitions. 2 4
16、 Symbols and abbreviated terms . 2 5 Welding processes . 3 6 Non load-bearing welded joints 3 7 Materials 5 8 Quality requirements 5 9 Welding personnel 5 10 Welding procedure specification (WPS). 6 11 Welding procedures . 6 12 Production weld test. 8 13 Execution and inspection of production weldin
17、g of reinforcing steel 8 14 Examination and testing of test specimens.9 15 Production log. 10 Annex A (informative) Technical knowledge of welding coordinator for welding reinforcing steel bars. 11 Annex B (informative) Test specimens 12 Annex C (informative) Evaluation of testing of welded joints .
18、 13 Annex D (informative) Example for production log 14 Annex E (informative) Examples of diameter combinations for welding cross joints using welding processes 21 and 23. 15 Bibliography . 16 BS EN ISO 17660-2:2006ISO 17660-2:2006(E) iv Foreword ISO (the International Organization for Standardizati
19、on) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be re
20、presented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards
21、are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an Internati
22、onal Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 17660-2 was
23、 prepared by the European Committee for Standardization (CEN) Technical Committee CEN/TC 121, Welding, in collaboration with Technical Committee ISO/TC 44, Welding and allied processes, Subcommittee SC 10, Unification of requirements in the field of metal welding, in accordance with the Agreement on
24、 technical cooperation between ISO and CEN (Vienna Agreement). ISO 17660 consists of the following parts, under the general title Welding Welding of reinforcing steel: Part 1: Load-bearing welded joints Part 2: Non load-bearing welded joints Requests for official interpretations of any aspect of thi
25、s part of ISO 17660 should be directed to the Secretariat of ISO/TC 44/SC 10 via your national standards body. A complete listing of these bodies can be found at www.iso.org. BS EN ISO 17660-2:2006ISO 17660-2:2006(E) vIntroduction Reinforcing steel bars are produced by a number of process routes and
26、 usually have a ribbed profile. Taking these issues into account, it is apparent that both the welder and the welding coordinator require a specific level of skill and job knowledge and that special procedures for quality assurance need to be adopted. BS EN ISO 17660-2:2006blank1Welding Welding of r
27、einforcing steel Part 2: Non load-bearing welded joints 1 Scope This part of ISO 17660 is applicable to the welding of weldable reinforcing steel and stainless reinforcing steel of non load-bearing welded joints, in workshops or on site. It specifies requirements for materials, design and execution
28、of welded joints, welding personnel, quality requirements, examination and testing. Load-bearing welded joints are covered by ISO 17660-1. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited ap
29、plies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 3834-4, Quality requirements for fusion welding of metallic materials Part 4: Elementary quality requirements ISO 5817, Welding Fusion-welded joints in steel, nickel, titanium and the
30、ir alloys (beam welding excluded) Quality levels for imperfections ISO 14731:1), Welding coordination Tasks and responsibilities ISO 15609-1, Specification and qualification of welding procedures for metallic materials Welding procedure specification Part 1: Arc welding ISO 15609-5, Specification an
31、d qualification of welding procedures for metallic materials Welding procedure specification Part 5: Resistance welding ISO 15614-1, Specification and qualification of welding procedures for metallic materials Welding procedure test Part 1: Arc and gas welding of steels and arc welding of nickel and
32、 nickel alloys ISO 15614-12, Specification and qualification of welding procedures for metallic materials Welding procedure test Part 12: Spot, seam and projection welding ISO 15630-1, Steel for the reinforcement and prestressing of concrete Test methods Part 1: Reinforcing bars, wire rod and wire I
33、SO 16020, Steel for the reinforcement and prestressing of concrete Vocabulary EN 10079, Definition of steel products EN 10080, Steel for the reinforcement of concrete Weldable reinforcing steel General 1) To be published (revision of ISO 14731:1997, EN 719:1994). BS EN ISO 17660-2:2006ISO 17660-2:20
34、06(E) ISO 17660-2:2006(E) 2 3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 10079, EN 10080 and ISO 16020 and the following apply. 3.1 load-bearing welded joint welded joint used for transmission of specified loads between reinforcing steel bars, or b
35、etween reinforcing steel bars and other steel products 3.2 non load-bearing welded joint welded joint whose strength is not taken into account in the design of the reinforced concrete structure 3.3 manufacturer enterprise carrying out the welding works within workshops or on site 4 Symbols and abbre
36、viated terms a throat thickness Agtpercentage total elongation at maximum force An nominal cross-sectional area of the bar d nominal diameter of the welded bar dmax maximum nominal diameter of the welded bar dmin minimum nominal diameter of the welded bar Fmax maximum tensile force l length of the w
37、eld (cross joint) Lminminimum length of the test specimen r radius of bent reinforcing steel bar Re specified characteristic yield strength of the reinforcing steel bar Rm nominal tensile strength of the reinforcing steel bar t thickness of the web of a section or of a plate to be welded CEV carbon
38、equivalent value WPQR welding procedure qualification record WPS welding procedure specification BS EN ISO 17660-2:2006ISO 17660-2:2006(E) 35 Welding processes The following welding processes in accordance with ISO 4063 may be used (see Table 1). Table 1 List of welding processes and reference numbe
39、rs in accordance with ISO 4063 Welding process English term American term 111 manual metal arc welding (metal arc welding with covered electrode) shielded metal arc welding 114 self-shielded tubular cored arc welding 135 metal active gas welding (MAG-welding) gas metal arc welding 136 tubular cored
40、metal arc welding with active gas shield flux cored arc welding 21 resistance spot welding 23 projection welding The principles of this part of ISO 17660 may be applied to other welding processes. 6 Non load-bearing welded joints 6.1 General A summary of recommended diameters for non load-bearing we
41、lded joints, depending on the welding process, is given in Table 2. Table 2 Recommended range of bar diameters for non load-bearing welded joints Welding processes Type of welded joint Range of bar diameter for non load-bearing welded joints mm lap joint 4 to 32 21 23 cross joint a6 to 50 lap joint
42、6 to 32 111 114 135 136 cross joint a6 to 50 a dmin/dmaxshould be W 0,4.The welds shall not influence significantly the full load-bearing capacity and ductility of the bars, and the welding procedure may not cause embrittlement of the material. NOTE The purpose of a non load-bearing welded joint is
43、normally only to keep the reinforcing components in their correct places during fabrication, transport and concreting. These welds are often referred to as tack welds. The tack weldability of reinforcing steels can be demonstrated by special tack weldability tests (see CEN/TR 15481). BS EN ISO 17660
44、-2:2006ISO 17660-2:2006(E) 4 6.2 Type of joints An example of a lap joint is given in Figure 1. Examples of a cross joint are given in Figures 2 and 3. The length of the weld l and throat thickness a depend on the application, and shall be in accordance with the WPS. Key l length of the weld Figure
45、1 Lap joint Key a throat thickness Figure 2 Cross joint Figure 3 Cross joint welded by welding processes 21 and 23 BS EN ISO 17660-2:2006ISO 17660-2:2006(E) 57 Materials 7.1 Parent materials 7.1.1 Reinforcing steels Weldable reinforcing steel and stainless reinforcing steel, in accordance with the r
46、elevant standards or technical specification, may be used. For refurbishment and extensions of buildings, the weldability of the existing reinforcing steel shall be verified. 7.1.2 Inspection documents An inspection certificate is required, unless the manufacturer of the reinforcing steel is certifi
47、ed to the relevant product standard for the market. The carbon equivalent value (CEV), the manufacturing route and the delivery conditions shall be determined before welding. This requirement for the CEV does not apply if: a) the weldability is proven by a welding procedure test with a maximum CEV a
48、llowed in accordance with the relevant product standard, or b) it can be proven that the steel delivered has an equal or lower CEV than the steel used in the welding procedure test. For reinforcing and structural steels, the CEV shall be in accordance with the product standard, and shall be calculat
49、ed in accordance with the following equation: + +=+ + +Mn Cr Mo V Ni CuCEV C65 15(1) 7.2 Welding consumables Welding consumables to be used shall be qualified in accordance with the relevant standard. 8 Quality requirements Manufacturers which perform shop- or site-welding of non load-bearing welded joints with reinforcing steel shall fulfil the quality requirements specified in ISO 3834-4, as applicable, as well as the requirements of this part of ISO 17660. 9 Welding personnel 9.1 Welding coordination The manufacturer o
