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本文(BS EN ISO 19901-4-2016 Petroleum and natural gas industries Specific requirements for offshore structures Geotechnical and foundation design considerations《石油和天然气工业 海上建筑物特殊要求 土工和地基.pdf)为本站会员(tireattitude366)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!

BS EN ISO 19901-4-2016 Petroleum and natural gas industries Specific requirements for offshore structures Geotechnical and foundation design considerations《石油和天然气工业 海上建筑物特殊要求 土工和地基.pdf

1、BS EN ISO 19901-4:2016Petroleum and naturalgas industries Specificr e q u i r e m e n t s f o r o f f s h o r estructuresPart 4: Geotechnical and foundation designconsiderations (ISO 19901-4:2016)BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06BS EN ISO 19901-4:2016

2、BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN ISO19901-4:2016. It supersedes BS EN ISO 19901-4:2003 which iswithdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee B/525/12, Design of offshore structures.A list of organizations re

3、presented on this committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2016.Published by BSI Standards Limited 2016ISBN 978 0 58

4、0 77535 2ICS 75.180.10; 93.020Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 August 2016.Amendments/corrigenda issued since publicationDate T e x t a f f e c t

5、 e dEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 19901-4 August 2016 ICS 75.180.10 Supersedes EN ISO 19901-4:2003English Version Petroleum and natural gas industries - Specific requirements for offshore structures - Part 4: Geotechnicaland foundation design considerations (ISO 19901-4:20

6、16)Industries du ptrole et du gaz naturel - Exigences spcifiques relatives aux structures en mer - Partie 4: Bases conceptuelles des fondations (ISO 19901-4:2016) Erdl- und Erdgasindustrie - Besondere Anforderungen an Offshore-Bauwerke - Teil 4: Geotechnische und Fundament-Auslegungsmerkmale (ISO 19

7、901-4:2016) This European Standard was approved by CEN on 2 July 2016. CEN members are bound 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 bibliograph

8、ical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre 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 responsibilit

9、y of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of

10、 Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey andUnited Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION

11、 EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2016 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 19901-4:2016 EBS EN ISO 19901-4:2016EN ISO 19901-4:2016 (E) 3 European forewo

12、rd This document (EN ISO 19901-4:2016) has been prepared by Technical Committee ISO/TC 67 “Materials, equipment and offshore structures for petroleum, petrochemical and natural gas industries“ in collaboration with Technical Committee CEN/TC 12 “Materials, equipment and offshore structures for petro

13、leum, petrochemical and natural gas industries” the secretariat of which is held by NEN 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 February 2017, and conflicting national standards shall be w

14、ithdrawn at the latest by February 2017. Attention is drawn to the possibility that 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. This document supersedes EN ISO 19901-4:2003.

15、 According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Ge

16、rmany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. Endorsement notice The text of ISO 19901-4:2016 has been approved by CEN as EN ISO 199

17、01-4:2016 without any modification. BS EN ISO 19901-4:2016ISO 19901-4:2016(E)Foreword vIntroduction vii1 Scope . 12 Normative references 13 Terms and definitions . 24 Symbols and abbreviated terms . 44.1 General . 44.2 Symbols for shallow foundations design 44.3 Symbols for pile foundations design 7

18、4.4 Symbols for soil-structure interaction for auxiliary subsea structures, risers and flowlines 104.5 Symbols for design of anchors for stationkeeping systems 114.6 Abbreviated terms 125 General requirements 135.1 General 135.2 Design cases and safety factors . 145.3 Characteristic values of soil p

19、roperties 145.4 Testing and instrumentation . 156 Geotechnical data acquisition and identification of hazards 166.1 General 166.2 Shallow geophysical investigation 166.3 Geological modelling and identification of hazards .176.3.1 General. 176.3.2 Earthquakes 176.3.3 Fault planes . 176.3.4 Seafloor i

20、nstability 176.3.5 Scour and sediment mobility . 186.3.6 Shallow gas 186.3.7 Seabed subsidence 186.4 Carbonate soils . 197 Design of shallow foundations 197.1 General 197.2 Principles 207.2.1 General principles 207.2.2 Sign conventions, nomenclature and action reference point .217.2.3 Action transfe

21、r 217.2.4 Idealization of foundation area and the effective area concept .217.3 Acceptance criteria and design considerations . 227.3.1 Action and material factors . 227.3.2 Use in design . 227.3.3 Special cases .237.3.4 Additional design considerations . 247.3.5 Alternative method of design based o

22、n yield surfaces 267.3.6 Selection of soil parameter values for design 277.4 Stability of shallow foundations . 277.4.1 Assessment of bearing capacity .277.4.2 Assessment of sliding capacity . 297.4.3 Assessment of torsional capacity .317.5 Serviceability (displacements and rotations) . 317.5.1 Gene

23、ral. 317.5.2 Displacement under static loading317.5.3 Displacement under dynamic and cyclic actions 34 ISO 2016 All rights reserved iiiContents PageBS EN ISO 19901-4:2016ISO 19901-4:2016(E)7.5.4 Other contributors to foundation settlement 347.6 Other design considerations 347.6.1 Hydraulic stability

24、 .347.6.2 Installation, retrieval and removal 348 Pile foundation design .358.1 Pile capacity for axial compression 358.1.1 General. 358.1.2 Axial pile capacity 368.1.3 Skin friction and end bearing in cohesive soils 378.1.4 Skin friction and end bearing in cohesionless soils 388.1.5 Skin friction a

25、nd end bearing of grouted piles in rock .408.2 Pile capacity for axial tension 418.3 Axial pile performance 418.3.1 Static axial behaviour of piles 418.3.2 Cyclic axial behaviour of piles . 418.4 Soil reaction for piles under axial compression 418.4.1 Axial shear transfer tnullz curves . 418.4.2 End

26、 bearing resistancedisplacement, Qnull , curve 428.5 Soil reaction for piles under lateral actions 448.5.1 General. 448.5.2 Lateral capacity for soft clay . 458.5.3 Lateral soil resistancedisplacement py curves for soft clay 458.5.4 Lateral capacity for stiff clay . 458.5.5 Lateral soil resistancedi

27、splacement pnull curves for stiff clay 468.5.6 Lateral capacity for sand 478.5.7 Lateral soil resistance displacement pnull curves for sand 488.6 Pile group behaviour . 498.6.1 General. 498.6.2 Axial behaviour 498.6.3 Lateral behaviour .509 Pile installation assessment 509.1 General 509.2 Drivabilit

28、y studies . 519.3 Obtaining required pile penetration . 519.4 Driven pile refusal . 529.5 Pile refusal remedial measures 529.5.1 Review of hammer performance 529.5.2 Re-evaluation of design penetration 529.5.3 Modifications to piling procedures .529.6 Selection of pile hammer and stresses during dri

29、ving 539.7 Use of hydraulic hammers 539.8 Drilled and grouted piles . 549.9 Belled piles 559.10 Grouting pile-to-sleeve connections 559.11 Pile installation data 559.12 Installation of conductors and shallow well drilling .5510 Soil-structure interaction for auxiliary subsea structures, risers and f

30、lowlines .5611 Design of anchors for floating structures 56Annex A (informative) Additional information and guidance 57Bibliography . 175iv ISO 2016 All rights reservedBS EN ISO 19901-4:2016ISO 19901-4:2016(E)ForewordISO (the International Organization for Standardization) is a worldwide federation

31、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 represented on that committee. I

32、nternational 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.The procedures used to develop this document and those

33、intended for its further maintenance are described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the different types of ISO documents should be noted. This document was drafted in accordance with the editorial rules of the ISO/IEC Directives, Part 2 (see

34、 www.iso.org/directives).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. Details of any patent rights identified during the development of the docume

35、nt will be in the Introduction and/or on the ISO list of patent declarations received (see www.iso.org/patents).Any trade name used in this document is information given for the convenience of users and does not constitute an endorsement.For an explanation on the meaning of ISO specific terms and ex

36、pressions related to conformity assessment, as well as information about ISOs adherence to the World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see the following URL: www.iso.org/iso/foreword.html.The committee responsible for this document is ISO/TC 67, Materials,

37、equipment and offshore structures for the petroleum, petrochemical and natural gas industries, Subcommittee SC 7, Offshore structures.This second edition cancels and replaces the first edition (ISO 19901-4:2003), which has been technically revised.ISO 19901 consists of the following parts, under the

38、 general title Petroleum and natural gas industries Specific requirements for offshore structures: Part 1: Metocean design and operating considerations Part 2: Seismic design procedures and criteria Part 3: Topsides structure Part 4: Geotechnical and foundation design considerations Part 5: Weight c

39、ontrol during engineering and construction Part 6: Marine operations Part 7: Stationkeeping systems for floating offshore structures and mobile offshore units Part 8: Marine soil investigationsThe following part is under preparation: Part 9: Structural integrity managementISO 19901 is one of a serie

40、s of standards for offshore structures. The full series consists of the following International Standards which are relevant to offshore structures for the petroleum and natural gas industries: ISO 19900, Petroleum and natural gas industries General requirements for offshore structures ISO 2016 All

41、rights reserved vBS EN ISO 19901-4:2016ISO 19901-4:2016(E) ISO 19901 (all parts), Petroleum and natural gas industries Specific requirements for offshore structures ISO 19902, Petroleum and natural gas industries Fixed steel offshore structure s ISO 19903, Petroleum and natural gas industries Fixed

42、concrete offshore structures ISO 19904, Petroleum and natural gas industries Floating offshore structures 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 assessment

43、 of mobile offshore units Part 2: Jack-ups commentary and detailed sample calculation ISO 19905-3, Petroleum and natural gas industries Site specific assessment of mobile offshore units Part 3: Floating units (under preparation) ISO 19906, Petroleum and natural gas industries Arctic offshore structu

44、resOther ISO standards can have implications for the geotechnical design of foundations for offshore structures, in particular: ISO 13623 (all parts), Petroleum and natural gas industries Pipeline transportation systems ISO 13628 (all parts), Petroleum and natural gas industries Design and operation

45、 of subsea production systemsvi ISO 2016 All rights reservedBS EN ISO 19901-4:2016ISO 19901-4:2016(E)IntroductionThe International Standards for offshore structures, ISO 19900 to ISO 19906, constitute a common basis covering those aspects that address design requirements and assessments of all offsh

46、ore structures used by the petroleum and natural gas industries worldwide. Through their application, the intention is to achieve reliability levels appropriate for manned and unmanned offshore structures, whatever the type of structure and the nature of the materials used.It is important to recogni

47、ze that structural integrity is an overall concept comprising models for describing actions, structural analyses, design rules, safety elements, workmanship, quality control procedures and national requirements, all of which are mutually dependent. The modification of one aspect of design in isolati

48、on can disturb the balance of reliability inherent in the overall concept or structural system. The implications involved in modifications, therefore, need to be considered in relation to the overall reliability of all offshore structural systems.For foundations, some additional considerations apply

49、. These include the time, frequency and rate at which actions are applied, the method of foundation installation, the properties of the surrounding soil, the overall behaviour of the seabed, effects from adjacent structures and the results of drilling into the seabed. All of these, and any other relevant information, need to be considered in relation to the overall reliability of the foundation.These International Standards are intended to provide wide latitude in the choice of structural configurations, m

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