1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS ISO 10276:2010Nuclear energy Fueltechnology Trunnions forpackages used to transportradioactive materialBS ISO 10276:2010 BRITISH STANDARDNational forewordThis British Standard
2、 is the UK implementation of ISO 10276:2010.The UK participation in its preparation was entrusted to TechnicalCommittee NCE/9, Nuclear fuel cycle technology.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to include a
3、ll the necessaryprovisions of a contract. Users are responsible for its correctapplication. BSI 2010ISBN 978 0 580 53235 1ICS 27.120.30Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and St
4、rategy Committee on 31 August 2010.Amendments issued since publicationDate Text affectedBS ISO 10276:2010Reference numberISO 10276:2010(E)ISO 2010INTERNATIONAL STANDARD ISO10276First edition2010-08-01Nuclear energy Fuel technology Trunnions for packages used to transport radioactive material nergie
5、nuclaire Technologie du combustible Tourillons pour colis de transport de matires radioactives BS ISO 10276:2010ISO 10276:2010(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobes licensing policy, this file may be printed or viewed but shall not be edited unless
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10、o.org Web www.iso.org Published in Switzerland ii ISO 2010 All rights reservedBS ISO 10276:2010ISO 10276:2010(E) ISO 2010 All rights reserved iiiContents Page Foreword iv Introduction.v 1 Scope1 2 Normative references1 3 Terms, abbreviated terms, symbols and definitions .1 4 Regulatory requirements5
11、 5 Design.5 6 Manufacture .12 7 Maintenance.15 8 Quality assurance19 Bibliography20 BS ISO 10276:2010ISO 10276:2010(E) iv ISO 2010 All rights reservedForeword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work
12、 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 represented on that committee. International organizations, governmental and non-governmen
13、tal, 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 are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The ma
14、in 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 International Standard requires approval by at least 75 % of the member bodies casting a vote. At
15、tention 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 10276 was prepared by Technical Committee ISO/TC 85, Nuclear energy, Subcommittee SC 5, Nuclear fue
16、l cycle. BS ISO 10276:2010ISO 10276:2010(E) ISO 2010 All rights reserved vIntroduction This International Standard has been produced to enable package owners, designers, users and regulatory organizations to have at their disposal a comprehensive document covering all aspects of trunnions. Experienc
17、e has been drawn from the extensive knowledge of owners, designers, users and competent authorities. Contained herein are the recommended minimum criteria covering various aspects of trunnions. It is intended that quality assurance, although referred to separately in Clause 8, be applied during the
18、application of part or all of this International Standard. No account is taken in this International Standard of any intermediate device that can be used between the packaging trunnions and the transport vehicle with respect to the relevant energy-absorbing effects. Intermediate devices (sometimes r
19、eferred to as transport frames, supports or cradles) are used to support and secure the package to the transport vehicle. BS ISO 10276:2010BS ISO 10276:2010INTERNATIONAL STANDARD ISO 10276:2010(E) ISO 2010 All rights reserved 1Nuclear energy Fuel technology Trunnions for packages used to transport r
20、adioactive material 1 Scope This International Standard covers trunnions fitted to radioactive-material transport packages that are subject to the approval and licensing by competent authorities in accordance with the IAEA No. TS-R-1. Aspects included are design, manufacture, maintenance and quality
21、 assurance. Subject to agreement between the interested parties, it can also be applied to packages that are not subject to the approval by competent authorities. This International Standard covers trunnion systems used for tie-down during transport and trunnions used for tilting and/or lifting. Thi
22、s International Standard does not supersede any of the requirements in the IAEA No. TS-R-1, nor any of the requirements of international or national regulations, concerning trunnions used for lifting and tie-down. This International Standard is applicable to new package design. 2 Normative reference
23、s International Atomic Energy Agency (IAEA) No. TS-R-1, Regulations for the Safe Transport of Radioactive Material, 2009 3 Terms, abbreviated terms, symbols and definitions 3.1 Terms and definitions For the purposes of this document, the terms and definitions given in IAEA No. TS-R-1:2009, Section I
24、I, and the following apply. 3.1.1 areas of special concern areas defined by the designer as exhibiting the highest risk of failure of the trunnion and attachment system, taking into account stress concentrations, fatigue, stress intensity, etc. 3.1.2 bending stress variable component of normal stres
25、s, which might or might not be linear across the thickness 3.1.3 independent competent organization organization administratively and managerially separate from the designers, manufacturers or owners of the subject package, constituted of specialized experts, or an insurance organization used to ver
26、ify, oversee, witness or check BS ISO 10276:2010ISO 10276:2010(E) 2 ISO 2010 All rights reserved3.1.4 linearized stress sum of the membrane stress and of the linear component of the bending stress 3.1.5 membrane stress component of normal stress that is uniformly distributed and equal to the average
27、 stress across the thickness of the section under consideration 3.1.6 normal stress component of stress normal to the plane of reference 3.1.7 owner/operator organization responsible for maintaining the condition of the packaging for transport in accordance with IAEA No. TS-R-1 3.1.8 peak stress max
28、imum stress that occurs in a component by reason of geometry, local discontinuities or local thermal stress, including the effects, if any, of stress concentration 3.1.9 periodic inspection inspection of the trunnion system at predetermined periodicities during the “in-service” life of the packaging
29、 3.1.10 periodic testing testing at predetermined periodicities of the trunnion system, provided as a primary means for the lifting, tie-down, supporting or tilting of packages 3.1.11 primary stress normal or shear stress developed by an imposed loading that is necessary to satisfy the laws of equil
30、ibrium of external and internal forces and moments NOTE The basic characteristic of a primary stress is that it is not self-limiting. 3.1.12 primary trunnion system trunnion system provided as a primary means for the lifting, tie-down, supporting or tilting of packages 3.1.13 relevant indication ind
31、ication specified by the designer that can lead to an unacceptable reduction in safety factor 3.1.14 removable trunnion cylindrically shaped projection on a package secured by non-permanent methods, e.g. bolting 3.1.15 schedule maintenance document that gives, in appropriate detail, the applicable f
32、requency/periodicity of maintenance items and details of methods to be employed BS ISO 10276:2010ISO 10276:2010(E) ISO 2010 All rights reserved 33.1.16 secondary stress normal or shear stress developed by the constraint of adjacent material or by self-constraint of the structure NOTE The basic chara
33、cteristic of a secondary stress is that it is self-limiting (e.g. general thermal stresses, bending stress at a gross structural discontinuity). 3.1.17 secondary trunnion system trunnion system provided as an additional or alternative means for the lifting, tie-down, supporting or tilting of package
34、s 3.1.18 shear stress component of stress tangent to the plane of reference 3.1.19 significant damage corrosion specified by the designer as possibly leading to an unacceptable reduction in the safety factor 3.1.20 stress intensity maximum mechanical and thermal stress, calculated according to von M
35、isess theory 3.1.21 tie-down securing of the package to the transport vehicle 3.1.22 total mass (lifting) maximum mass of a package during lifting, fitted with all necessary ancillaries and equipment, and including the radioactive material and water as appropriate 3.1.23 total mass (transport) maxim
36、um mass of a package fitted with all ancillaries (shock absorbers, neutron shields, covers, transport frame as appropriate, etc.), as presented fully laden for transport 3.1.24 transport cycle complete round-trip journey of a package between two complete loadings 3.1.25 trans-shipment change of tran
37、sport vehicle at any time during a transport cycle, e.g. from road to rail NOTE This applies also when a vehicle is substituted, e.g. from one rail vehicle to another rail vehicle. 3.1.26 trunnion cylindrically shaped projection on a packaging, attached by various means and used for lifting, tie-dow
38、n, supporting or tilting packages from horizontal and vertical modes 3.1.27 trunnion attachment method of attaching the trunnion (e.g. welding, bolting, interference fitting and bolting, or any combination of these methods) BS ISO 10276:2010ISO 10276:2010(E) 4 ISO 2010 All rights reserved3.1.28 trun
39、nion attachment components trunnion attachment components excluding the trunnion, e.g. bolts, threads in the packaging body, baseplates, etc. 3.1.29 trunnion system assembly of trunnion and components to the packaging, including the trunnion attachment components to the packaging and the female thre
40、ads in the packaging body, as appropriate 3.1.30 welded trunnion cylindrically shaped projection on a packaging, directly secured to the packaging by welding 3.2 Symbols KIcplane strain fracture toughness Re(T) clearly defined yield point or minimum yield strength of 0,2 % of residual elongation (0,
41、2 % proof stress) at the operating temperature, T Rm(T) guaranteed minimum tensile strength at the operating temperature, T S stress intensity T operating temperature 3.3 Abbreviations IAEA International Atomic Energy Agency ILO International Labour Organization IMO International Maritime Organizati
42、on ISO International Organization for Standardization MT Magnetic particle test NDE Non-destructive examination PT Liquid penetrant test RE Radiographic examination SCC Stress corrosion cracking UN ECE United Nations Economic Commission for Europe UT Ultrasonic test BS ISO 10276:2010ISO 10276:2010(E
43、) ISO 2010 All rights reserved 54 Regulatory requirements 4.1 General In this International Standard, the word “shall” denotes a requirement; the word “should” denotes a recommendation; and the word “may” denotes permission, i.e. neither a requirement nor a recommendation. Imperative statements also
44、 denote requirements. To conform with this International Standard, all operations shall be performed in accordance with its requirements, but not necessarily with its recommendations. The words “can” and “could” denote possibility rather than permission. The word “will” denotes that an event is cert
45、ain to occur rather than a requirement. 4.2 Relevant regulations The main applicable document is IAEA No. TS-R-1. Other relevant national or international regulations should also be considered to ensure that any differences with the IAEA regulations are taken into account. This International Standar
46、d does not relieve the relevant parties of the responsibility for compliance with any requirement of the government of any country through or into which the package is being transported, including regulations applicable within the nuclear power plants. 4.3 Quality assurance Quality assurance, althou
47、gh referred to separately in Clause 8, shall be applied during the application of parts or all of this International Standard. 5 Design 5.1 General 5.1.1 Trunnion systems shall be designed so that, under routine, normal and accident conditions, in accordance with IAEA No. TS-R-1, the forces in the t
48、runnions and trunnion attachments shall not impair the ability of the package to meet the requirements of those regulations. 5.1.2 Trunnion attachment to a packaging may be carried out by welding, bolting, interference fit and bolting, or any combination of these methods. This International Standard
49、 applies to these methods of trunnion attachment; see Figure 1 a) and 1 b). BS ISO 10276:2010ISO 10276:2010(E) 6 ISO 2010 All rights reserved1 23423a) Welded trunnion b) Removable trunnion (bolted) Key 1 weld 2 trunnion 3 packaging body 4 attachment bolt Figure 1 Examples of trunnions 5.1.3 Trunnions are fitted to the packaging to provide a) a means of tie-down of the package during transport; and/or b) a means of providing lifting, or lifting and tilting (with particular designs of packages, the trunnions are use
