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本文(CEN ISO TR 19905-2-2013 Petroleum and natural gas industries - Site-specific assessment of mobile offshore units - Part 2 Jack-ups commentary and detailed sample calculation《石油和天然气.pdf)为本站会员(jobexamine331)主动上传,麦多课文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

CEN ISO TR 19905-2-2013 Petroleum and natural gas industries - Site-specific assessment of mobile offshore units - Part 2 Jack-ups commentary and detailed sample calculation《石油和天然气.pdf

1、BSI Standards Publication PD CEN ISO/TR 19905-2:2013 Petroleum and natural gas industries Site-specific assessment of mobile offshore units Part 2: Jack-ups commentary and detailed sample calculation Copyright European Committee for Standardization Provided by IHS under license with CEN Not for Resa

2、le No reproduction or networking permitted without license from IHS -,-,-PD CEN ISO/TR 19905-2:2013 PUBLISHED DOCUMENT National foreword This Published Document is the UK implementation of CEN ISO/TR 19905-2:2013. It is identical to ISO/TR 19905-2:2012. The UK participation in its preparation was en

3、trusted to Technical Committee B/525/12, Design of offshore structures. 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 ap

4、plication. The British Standards Institution 2013. Published by BSI Standards Limited 2013 ISBN 978 0 580 79678 4 ICS 75.180.10 Compliance with a British Standard cannot confer immunity from legal obligations. This Published Document was published under the authority of the Standards Policy and Stra

5、tegy Committee on 31 December 2013. Amendments issued since publication Date Text affected Copyright European Committee for Standardization Provided by IHS under license with CEN Not for Resale No reproduction or networking permitted without license from IHS -,-,- TECHNICAL REPORT RAPPORT TECHNIQUE

6、TECHNISCHER BERICHT CEN ISO/TR 19905-2 December 2013 ICS 75.180.10 English Version Petroleum and natural gas industries - Site-specific assessment of mobile offshore units - Part 2: Jack-ups commentary and detailed sample calculation (ISO/TR 19905-2:2012) Industries du ptrole et du gaz naturel - val

7、uation lie au site des units marines mobiles - Partie 2: Complments sur les plates-formes auto-lvatrices (ISO/TR 19905- 2:2012) Erdl- und Erdgasindustrie - Offshore Anlagen; Beurteilung von mobilen Offshore Einheiten bezglich ihres Einsatzgebietes - Teil 2: Hubinseln, Erluterungen (ISO/TR 19905-2:20

8、12) This Technical Report was approved by CEN on 11 May 2013. It has been drawn up by the Technical Committee CEN/TC 12. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, Fra

9、nce, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES K

10、OMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2013 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. CEN ISO/TR 19905-2:2013 E Copyright European Committee for Standardization Provided by IHS under l

11、icense with CEN Not for Resale No reproduction or networking permitted without license from IHS -,-,-PD CEN ISO/TR 19905-2:2013 CEN ISO/TR 19905-2:2013 (E) 3 Foreword This document (CEN ISO/TR 19905-2:2013) has been prepared by Technical Committee ISO/TC 67 “Materials, equipment and offshore structu

12、res for petroleum, petrochemical and natural gas industries” in collaboration with Technical Committee CEN/TC 12 “Materials, equipment and offshore structures for petroleum, petrochemical and natural gas industries” the secretariat of which is held by AFNOR. Attention is drawn to the possibility tha

13、t some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. Endorsement notice The text of ISO/TR 19905-2:2012 has been approved by CEN as CEN ISO/TR 19905-2:2013 without any modification

14、. Copyright European Committee for Standardization Provided by IHS under license with CEN Not for Resale No reproduction or networking permitted without license from IHS -,-,-PD CEN ISO/TR 19905-2:2013 ISO/TR 19905-2:2012(E) ISO 2012 All rights reserved iiiContents Page Foreword .v Introduction.vii

15、1 Scope1 2 References .1 3 Terms and definitions .1 4 Symbols1 4.1 Symbols for Clause 61 4.2 Symbols for Clause 73 4.3 Symbols for Clause 85 4.4 Symbols for Clause 96 4.5 Symbols for Clause 106 4.6 Symbols for Clause 128 5 Commentary on ISO 19905-1:2012, Clauses 5 and A.5 .8 6 Commentary on ISO 1990

16、5-1:2012, Clauses 6 and A.6 .8 TR.6.4.1 Metocean data General8 TR.6.4.2 Waves 8 TR.6.4.3 Current.20 TR.6.4.4 Water depths.20 TR.6.4.5 Wind .21 7 Commentary to ISO 19905-1:2012, Clauses 7 and A.7 24 TR.7.1 Scope 24 TR.7.3.2 Hydrodynamic model .24 TR.7.3.2.1.1 Length of members 24 TR.7.3.2.1.2 Spudcan

17、.24 TR.7.3.2.1.3 Shielding and solidification.24 TR.7.3.2.2 “Detailed” leg model .25 TR.7.3.2.3 “Equivalent” leg model .25 TR.7.3.2.3.1 Equivalent drag coefficient25 TR.7.3.2.3.2 Equivalent inertia coefficient.26 TR.7.3.3 Wave and current actions48 TR.7.3.4 Wind actions .57 TR.7.8 Other consideratio

18、ns.57 APPENDIX TR.7.A : Example of equivalent model computations.58 APPENDIX TR.7.B: Comparison cases to assess implications of the ISO 19905-1 formulation .63 APPENDIX TR.7.C: Comparison of test results for chords67 8 Commentary to ISO 19905-1:2012, Clauses 8 and A.8 70 TR A.8.8.6 Derivation of the

19、 alternative simplified negative stiffness correction term for P- effects .70 9 Commentary to ISO 19905-1:2012, Clauses 9 and A.9 77 TR.9.3.6.2 Derivation of the limiting horizontal reaction given in ISO 19905-1:2012, Table A.9.3.7 77 10 Commentary to ISO 19905-1:2012, Clauses 10 and A.10 79 TR.10.4

20、.2.1 Natural period General .79 TR.10.4.2.2 Derivation of K e , effective stiffness used to calculate the jack-up natural period82 TR.10.4.3.3 Hysteretic damping .95 TR.10.4.3.4 Vertical radiation damping in earthquake analysis .96 TR.10.5.3.4 / C.2.4 Guidance on the fourth method of ISO 19905-1:201

21、2, Table A.10.5.1 Application of the drag-inertia method .96 Copyright European Committee for Standardization Provided by IHS under license with CEN Not for Resale No reproduction or networking permitted without license from IHS -,-,-PD CEN ISO/TR 19905-2:2013 ISO/TR 19905-2:2012(E) iv ISO 2012 All

22、rights reserved11 Commentary to ISO 19905-1:2012, Clauses 11 and A.11.96 12 Commentary to ISO 19905-1:2012, Clauses 12 and A.12.96 TR.12.6.2.2 Nominal bending strength 96 TR.12.6.2.2.1 Example .96 TR.12.6.3.2 Background for in interaction equation approach97 13 Commentary to ISO 19905-1:2012, Annex

23、C .98 TR.C.2.4 Guidance on the fourth method of ISO 19905-1:2012, Table A.10.5.1 Application of the drag-inertia method.98 Annex A (informative) Detailed example calculation.99 Annex B (informative) SIPM “drag-inertia method” for dynamic analysis and estimation of extreme response for jack-ups.266 B

24、ibliography 295 Copyright European Committee for Standardization Provided by IHS under license with CEN Not for Resale No reproduction or networking permitted without license from IHS -,-,-PD CEN ISO/TR 19905-2:2013 ISO/TR 19905-2:2012(E) ISO 2012 All rights reserved vForeword ISO (the International

25、 Organization for Standardization) 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 est

26、ablished has the right to be represented 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 standardiz

27、ation. International Standards 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 voti

28、ng. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. In exceptional circumstances, when a technical committee has collected data of a different kind from that which is normally published as an International Standard (“state of the art”,

29、 for example), it may decide by a simple majority vote of its participating members to publish a Technical Report. A Technical Report is entirely informative in nature and does not have to be reviewed until the data it provides are considered to be no longer valid or useful. Attention is drawn to th

30、e 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/TR 19905-2 was prepared by Technical Committee ISO/TC 67, Materials, equipment and offshore structures for petroleum, pet

31、rochemical and natural gas industries, Subcommittee SC 7, Offshore structures. ISO 19905 consists of the following parts, under the general title Petroleum and natural gas industries Site- specific assessment of mobile offshore units: Part 1: Jack-ups Part 2: Jack-ups commentary and detailed sample

32、calculation Technical Report The following part is under preparation: Part 3: Floating units ISO/TR 19905-2:2012 was prepared in 2012 and is referenced as ISO/TR 19905-2:2012. Users are advised, however, that it was published, and only became available, in 2013. ISO 19905 is one of a series of Inter

33、national Standards for offshore structures. The full series consists of the following International Standards: ISO 19900, Petroleum and natural gas industries General requirements for offshore structures ISO 19901-1, Petroleum and natural gas industries Specific requirements for offshore structures

34、Part 1: Metocean design and operating considerations ISO 19901-2, Petroleum and natural gas industries Specific requirements for offshore structures Part 2: Seismic design procedures and criteria ISO 19901-3, Petroleum and natural gas industries Specific requirements for offshore structures Part 3:

35、Topsides structure Copyright European Committee for Standardization Provided by IHS under license with CEN Not for Resale No reproduction or networking permitted without license from IHS -,-,-PD CEN ISO/TR 19905-2:2013 ISO/TR 19905-2:2012(E) vi ISO 2012 All rights reserved ISO 19901-4, Petroleum and

36、 natural gas industries Specific requirements for offshore structures Part 4: Geotechnical and foundation design considerations ISO 19901-5, Petroleum and natural gas industries Specific requirements for offshore structures Part 5: Weight control during engineering and construction ISO 19901-6, Petr

37、oleum and natural gas industries Specific requirements for offshore structures Part 6: Marine operations ISO 19901-7, Petroleum and natural gas industries Specific requirements for offshore structures Part 7: Stationkeeping systems for floating offshore structures and mobile offshore units ISO 19901

38、-8 1) , Petroleum and natural gas industries Specific requirements for offshore structures Part 8: Marine soil investigations ISO 19902, Petroleum and natural gas industries Fixed steel offshore structures ISO 19903, Petroleum and natural gas industries Fixed concrete offshore structures ISO 19904-1

39、, Petroleum and natural gas industries Floating offshore structures Part 1: Monohulls, semi-submersibles and spars ISO 19905-1, Petroleum and natural gas industries Site-specific assessment of mobile offshore units Part 1: Jack-ups ISO/TR 19905-2, Petroleum and natural gas industries Site-specific a

40、ssessment of mobile offshore units Part 2: Jack-ups commentary and detailed sample calculation ISO/TR 19905-3 1) , Petroleum and natural gas industries Site-specific assessment of mobile offshore units Part 3: Floating units ISO 19906, Petroleum and natural gas industries Arctic offshore structures

41、1) Under preparation. Copyright European Committee for Standardization Provided by IHS under license with CEN Not for Resale No reproduction or networking permitted without license from IHS -,-,-PD CEN ISO/TR 19905-2:2013 ISO/TR 19905-2:2012(E) ISO 2012 All rights reserved viiIntroduction The series

42、 of International Standards applicable to types of offshore structures, ISO 19900 to ISO 19906, addresses design requirements and assessments for all offshore structures used by the petroleum and natural gas industries worldwide. Through their application, the intention is to achieve reliability lev

43、els appropriate for manned and unmanned offshore structures, whatever the type of structure and the nature or combination of the materials used. It is important to recognize that structural integrity is an overall concept comprising models for describing actions, structural analyses, design or asses

44、sment rules, safety elements, workmanship, quality control procedures and national requirements, all of which are mutually dependent. The modification of one aspect of the design or assessment in isolation can disturb the balance of reliability inherent in the overall concept or structural system. T

45、he implications involved in modifications, therefore, need to be considered in relation to the overall reliability of offshore structural systems. The series of International Standards applicable to the various types of offshore structure is intended to provide a wide latitude in the choice of struc

46、tural configurations, materials and techniques without hindering innovation. Sound engineering judgement is therefore necessary in the use of these International Standards. ISO 19905-1 was developed from SNAME T new calculation techniques have been addressed because of improved computational capabil

47、ities allowing more complex assessments; gaps that existed in the original SNAME T and changes have been made to align ISO 19905-1 with other standards within the 19900 series. A description of the more important changes, along with the reasoning for the changes, can be found in a series of papers p

48、ublished in 2012 by Offshore Technology Conference. These papers can be of considerable value in helping the analyst, particularly those who are familiar with SNAME T&R 5-5A, in understanding ISO 19905-1. The papers, part of the Technical Session ISO 19905-1: A Site-Specific Assessment of Mobile Jack-Up Units are listed in the Bibliography: Reference 6, Background to the ISO 19905-Series and an Overview of the New ISO 19905-1 for the Site-Specific Assessment of Mobile Jack-Up Units Reference 7, Environme

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