BS PD IEC TS 62600-10-2015 Marine energy Wave tidal and other water current converters Assessment of mooring system for marine energy converters (MECs)《海洋能 波浪 潮汐和其他水能转换器 用.pdf
《BS PD IEC TS 62600-10-2015 Marine energy Wave tidal and other water current converters Assessment of mooring system for marine energy converters (MECs)《海洋能 波浪 潮汐和其他水能转换器 用.pdf》由会员分享,可在线阅读,更多相关《BS PD IEC TS 62600-10-2015 Marine energy Wave tidal and other water current converters Assessment of mooring system for marine energy converters (MECs)《海洋能 波浪 潮汐和其他水能转换器 用.pdf(54页珍藏版)》请在麦多课文档分享上搜索。
1、BSI Standards Publication Marine energy Wave, tidal and other water current converters Part 10: Assessment of mooring system for marine energy converters (MECs) PD IEC/TS 62600-10:2015National foreword This Published Document is the UK implementation of IEC/TS 62600- 10:2015. The UK participation in
2、 its preparation was entrusted to Technical Committee PEL/114, Marine energy Wave, tidal and other water current converters. 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
3、 a contract. Users are responsible for its correct application. The British Standards Institution 2015. Published by BSI Standards Limited 2015 ISBN 978 0 580 83342 7 ICS 27.140 Compliance with a British Standard cannot confer immunity from legal obligations. This Published Document was published un
4、der the authority of the Standards Policy and Strategy Committee on 31 August 2015. Amendments/corrigenda issued since publication Date Text affected PUBLISHED DOCUMENT PD IEC/TS 62600-10:2015 IEC TS 62600-10 Edition 1.0 2015-03 TECHNICAL SPECIFICATION Marine energy Wave, tidal and other water curre
5、nt converters Part 10: Assessment of mooring system for marine energy converters (MECs) INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS 27.140 ISBN 978-2-8322-2431-1 Registered trademark of the International Electrotechnical Commission Warning! Make sure that you obtained this publication from an auth
6、orized distributor. colour inside PD IEC/TS 62600-10:2015 2 IEC TS 62600-10:2015 IEC 2015 CONTENTS FOREWORD. 6 INTRODUCTION . 8 1 Scope 9 2 Normative references 9 3 Terms and definitions 9 4 Abbreviated terms . 11 5 Principal element . 12 5.1 General . 12 5.2 Mooring and anchor systems . 12 5.3 Desi
7、gn considerations . 12 5.4 Safety and risk consideration . 13 5.5 Analysis procedure 13 5.6 Inspection and maintenance requirements . 13 6 Types of moorings and anchoring systems . 13 6.1 General . 13 6.2 Mooring systems . 13 6.2.1 General . 13 6.2.2 Spread moorings (catenary, taut-line and semi-tau
8、t-line) . 13 6.2.3 Single point moorings (SPM) 14 6.3 Mooring line components . 15 6.3.1 General . 15 6.3.2 Chain . 15 6.3.3 Wire rope . 16 6.3.4 Synthetic rope 17 6.3.5 Clump weights . 17 6.3.6 Buoyancy aids . 17 6.3.7 Connectors and accessories . 17 6.4 Anchors types . 18 6.4.1 General . 18 6.4.2
9、Drag embedment anchor 18 6.4.3 Pile anchor 19 6.4.4 Suction anchor . 19 6.4.5 Gravity installed anchor 20 6.4.6 Gravity anchor . 20 6.4.7 Plate anchor 21 6.4.8 Screw anchor . 21 7 Design consideration . 22 7.1 General . 22 7.2 Limit states . 22 7.2.1 Ultimate limit state (ULS) . 22 7.2.2 Accidental
10、limit state (ALS) 22 7.2.3 Serviceability limit state (SLS) 22 7.2.4 Fatigue limit state (FLS) . 22 7.3 External conditions 23 7.3.1 General . 23 7.3.2 Metocean conditions 23 PD IEC/TS 62600-10:2015IEC TS 62600-10:2015 IEC 2015 3 7.3.3 Marine growth 23 7.3.4 Marine life 23 7.3.5 Environmentally sens
11、itive and protected areas and marine animals . 23 7.3.6 Nearshore impact . 23 7.3.7 Vandalism and misuse . 23 7.3.8 Marine traffic 24 7.4 Assorted loading . 24 7.4.1 General . 24 7.4.2 Low frequency loads 24 7.4.3 Wave frequency loads on mooring components 24 7.4.4 Wave frequency loads on MEC . 25 7
12、.4.5 High frequency loading . 25 7.5 Mooring line components . 25 7.5.1 Component strength . 25 7.5.2 Component fatigue life . 25 7.5.3 Redundancy . 25 7.5.4 Clearance 25 7.6 Umbilical considerations 26 7.6.1 Umbilical response . 26 7.6.2 Umbilical strength 26 7.6.3 Umbilical offset and clearance li
13、mits . 26 7.7 Anchors 26 7.7.1 Type selection . 26 7.7.2 Holding capacity 26 7.7.3 Sediment and rock conditions . 26 7.7.4 Fluke setting 27 7.7.5 Installation . 27 7.7.6 Proof loading . 27 7.7.7 Directional anchor loading 27 7.7.8 Failure mode 27 7.7.9 Environmental loading 27 8 Safety and risk cons
14、iderations . 27 8.1 Overview 27 8.2 Risk 27 8.2.1 General . 27 8.2.2 Definition . 28 8.2.3 Consequence types 28 8.2.4 General risk mitigation . 28 8.2.5 ALARP principle . 28 8.3 Risk assessment methodology . 28 8.3.1 General . 28 8.3.2 Methodology flowchart . 29 8.3.3 Basic considerations 30 8.3.4 P
15、robability assessment 31 8.3.5 Consequence classification assessment . 31 8.4 Consequence considerations for mooring failure 31 8.5 Consequence classification . 31 8.5.1 General . 31 8.5.2 Consequence impact considerations . 32 PD IEC/TS 62600-10:2015 4 IEC TS 62600-10:2015 IEC 2015 8.5.3 Waterway n
16、avigation impacts . 33 8.5.4 Environmentally sensitive and protected sites . 33 8.5.5 Archaeological sites . 33 8.6 Risk mitigation considerations . 33 8.6.1 Mitigation overview 33 8.6.2 Probability reduction 33 8.6.3 Consequence reduction 33 8.7 Risk acceptance 34 8.7.1 Acceptance overview . 34 8.7
17、.2 Documentation . 34 9 Analysis procedure 34 9.1 General . 34 9.2 Basic considerations . 34 9.3 Analysis procedure overview . 35 9.4 Modelling consideration . 36 9.4.1 General . 36 9.4.2 Mooring and umbilical models 36 9.4.3 Floating unit numerical models . 36 9.4.4 Coupled and uncoupled analysis 3
18、7 9.5 Analysis procedure considerations . 37 9.5.1 Metocean directionality 37 9.5.2 Resonant response 37 9.5.3 Dynamic mooring analysis 37 9.5.4 Design situations of ULS 38 9.5.5 Design situations of ALS 38 9.5.6 Design situations of FLS 38 9.5.7 Design situations of SLS 38 9.6 Mooring design criter
19、ia 38 9.6.1 Design return period 38 9.6.2 Consequence class design factor . 38 9.6.3 Mooring line component failure . 39 9.6.4 Anchor holding capacity . 39 10 In-service inspection, monitoring, testing, and maintenance 40 10.1 General . 40 10.2 Mooring system proof loading 41 10.3 Component replacem
20、ent 41 10.4 In air and splash zone mooring line sections 41 10.5 Submerged mooring line sections 41 10.6 Commissioning and decommissioning procedures 42 Annex A (informative) Sample mooring design 43 A.1 General . 43 A.2 Problem layout 43 A.3 Consequence class identification . 44 A.4 Mooring design
21、process 47 Bibliography . 50 Figure 1 Spread mooring configuration . 14 Figure 2 Catenary anchor leg mooring configuration . 14 PD IEC/TS 62600-10:2015IEC TS 62600-10:2015 IEC 2015 5 Figure 3 Single anchor leg mooring configuration . 15 Figure 4 Turret mooring configuration . 15 Figure 5 Studless an
22、d studlink chain 16 Figure 6 Typical wire rope construction 16 Figure 7 Types of connectors . 18 Figure 8 HHP drag embedment anchor . 19 Figure 9 Pile anchor . 19 Figure 10 Suction anchor . 20 Figure 11 Gravity installed anchor 20 Figure 12 Gravity anchor 21 Figure 13 Plate anchor . 21 Figure 14 Scr
23、ew anchor . 22 Figure 15 General risk methodology flowchart 30 Figure 16 Conceptual mooring analysis procedure 35 Figure A.1 Potential tidal current MEC installation locations A, B; artificial reef C; fish farm D; marine traffic corridor E 43 Figure A.2 Mooring line component minimum ASF for each re
24、turn period environment 5, 10, 20, 50, and 100 plotted to determine mooring ULS return period 48 Figure A.3 Anchor minimum ASF for each return period environment 5, 10, 20, 50, and 100 plotted to determine anchor ULS return period . 48 Table 1 Potential nearshore impacts . 23 Table 2 Consequence cat
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