1、 RULES FOR BUILDING AND CLASSING STEEL VESSELS 2012 PART 5A SPECIFIC VESSEL TYPES (CHAPTER 1) Common Structural Rules for Double Hull Oil Tankers (These Rules are applicable for those vessels having construction contract signed between 1 July 2012 and 30 June 2013) These Rules published on 1 July 20
2、12 consist of: Common Structural Rules for Double Hull Tankers 1 July 2010 Notice No. 1 (to July 2010 version) effective on 1 July 2012 American Bureau of Shipping Incorporated by Act of Legislature of the State of New York 1862 Copyright 2012 American Bureau of Shipping ABS Plaza 16855 Northchase D
3、rive Houston, TX 77060 USA (Copyright in these Rules is also owned by the other IACS members as at 15 January 2006. Copyright 2006)Foreword Common Structural Rules for Oil Tankers 2012 Foreword/Page 3 Foreword These Rules published on 1 July 2010 consist of: Common Structural Rules for Double Hull T
4、ankers 1 July 2010 Rule Change Notice No. 1 (to July 2010 version) effective 1 July 2012 In association with the introduction of the Common Structural Rules for Double Hull Oil Tankers and Bulk Carriers, respectively, on 1 April 2006, Part 5 of the Rules for Building and Classing Steel Vessels, 2012
5、 is divided into three Sub-parts, 5A, 5B and 5C. The contents and application of each Part are as follows: Contents Part 5A: Common Structural Rules for Double Hull Oil Tankers Part 5B: Common Structural Rules for Bulk Carriers Part 5C: This Part is divided into two separate booklets as follows: Cha
6、pters 1 to 6: Tankers not covered by Part 5A, Bulk Carriers not covered by Part 5B and Container Carriers Chapters 7 to 10: Passenger Vessels, Liquefied Gas Carriers, Chemical Carriers and Vessels Intended to Carry Vehicles. Application Oil Tankers The structural requirements in Part 5A of the Rules
7、 are applicable for double hull oil tankers of 150 m in length and upward, with structural arrangements as specified in Part 5A, Section 2. For oil tankers with structural arrangements not covered by Part 5A, the requirements in Part 5C, Chapters 1 or 2, are to be complied with. Application Bulk Car
8、riers The structural requirements in Part 5B of the Rules are applicable for single side skin and double side skin bulk carriers of 90m in length and upward, with structural arrangements as specified in Part 5B, Chapter 1, Section 1. For vessels intended to carry ore or bulk cargoes, other than the
9、single side skin or double side skin bulk carriers of 90 m in length and upward with structural arrangements as specified in Part 5B, Chapter 1, Section 1, the requirements in Part 5C Chapters 3 or 4 are to be complied with. Application ABS Construction Monitoring Program These compulsory requiremen
10、ts for CSR notation are specified in Part 5C, Appendix 2. Application Onboard Systems for Oil Tankers and Bulk Carriers The onboard systems for all tankers are to comply with the requirements of Part 5C, Chapter 1, Section 7, and for all bulk carriers are to comply with the requirements of Part 5C,
11、Chapter 3, Section 7 of the Rules. Foreword Common Structural Rules for Oil Tankers 2012 Foreword/Page 4 The following flow chart indicates the application of the Rules and typical Class Notations for tanker and bulk carrier vessels, of which arrangements and scantlings are in full compliance with t
12、he Rules: Vessels Intended to Carry Oil in Bulk Vessels Intended to Carry Ore or Bulk CargoesL 150 m?Arrangement andlayout comply with5A-1-2/3.1.2 and5A-1-2/Fig 2.3.1?Part 5A, Chapter 1:Common Structural Rules forDouble Hull Oil Tankers,andPart 5C, Appendix 2Part 5C, Chapter 1, Section 7null A1 Oil
13、Carrier, CSR, AB-CMplusappropriate notations for oil carriersPart 5C, Chapter 1,Appendix 1 to Part 5C(L 150 m)null A1 Oil Carrier, SH, SHCMplusappropriate notations for oil carriersPart 5C, Chapter 2(L 150 m)null A1 Oil Carrierplusappropriate notations for oil carriersL 90 m?Arrangement andlayout co
14、mply with5B-1-1/1.1.2?Part 5B, Chapters 1 through 13:Common Structural Rules forBulk Carriers,andPart 5C, Appendix 2Part 5C, Chapter 3, Section 7Part 5C, Chapter 3,Appendix 1 to Part 5C(L 150 m)Part 5C, Chapter 4(L 150 m)null A1 Bulk Carrier, CSR, AB-CMplusappropriate notations for bulk carriersnull
15、 A1 Bulk Carrier, SH, SHCMplusappropriate notations for bulk carriersnull A1 Bulk Carrierplusappropriate notations for bulk carriersYesYesYesYesNo NoOrForeword Common Structural Rules for Oil Tankers 2012 Foreword/Page 5 COMMON STRUCTURAL RULES FOR DOUBLE HULL OIL TANKERS Foreword 1. This version of
16、 the Rules is effective as of 1stJuly 2012. 2. This version incorporates rule changes made to the 1 July 2010 consolidated edition. 3. The Rules contain two parts, one part that is for information and does not constitute specific requirements and one part giving structural rules for double hull oil
17、tankers of 150m or greater. Subjects for information are given in Section 1 Introduction and Section 2 Rule Principles. Specific rule requirements are given in Sections 3 to 12 and the Appendices. 4. The following table provides a revision history of the Rules. Amendment Type / No. Approval Date Eff
18、ective Date* Reference Rule Edition 1 Corrigenda 1 7 Apr. 2006 1 Apr. 2006 1 Jan. 2006 edition 2 Corrigenda 2 27 July 2006 1 Apr. 2006 1 Jan. 2006 edition 3 Rule Change Notice 1 29 Sept. 2006 1 Apr. 2007 1 Jan. 2006 edition 4 Corrigenda 3 19 Nov. 2007 1 Apr. 2006 1 Jan. 2006 edition 5 Rule Change No
19、tice 2 25 Feb. 2008 1 July 2008 1 Jan. 2006 edition 6 Corrigenda 1 (1 July 2008 consolidated edition) 2 July 2008 1 July 2008 1 July 2008 consolidated edition 7 Rule Change Notice 1 (1 July 2008 consolidated edition) 30 Jan. 2009 (Amended Nov. 2009) 1 Feb 2010 1 July 2008 consolidated edition 8 Rule
20、 Change Notice 2 (1 July 2008 consolidated edition) 12 Apr 2010 1 July 2010 1 July 2008 consolidated edition 2012 Foreword/Page 6 Amendment Type / No. Approval Date Effective Date* Reference Rule Edition 9 Rule Change Notice 1 (1 July 2010 consolidated edition) 30 Dec 2011 1 July 2012 1 July 2010 co
21、nsolidated edition * For effective date, refer to the implementation statements of relevant Corrigenda/Rule Changes. 1) RCN 1 to July 2008 edition was originally approved on 28 January 2009, however following input from industry, IACS Council decided to postpone the original implementation date of 1
22、 July 2009 until such time as a technical study was completed. In November 2009, following further technical review, IACS Council agreed an amended version of RCN 1 to enter into force on 1 February 2010. Note: When the word (void) appears in the text, it means that the concerned part has been delet
23、ed. This is to keep the numbering of the remainder unchanged. Copyright in these Common Structural Rules is owned by each IACS Member as at 15 January 2006. Copyright 2006. The IACS members, their affiliates and subsidiaries and their respective officers, employees or agents (on behalf of whom this
24、disclaimer is given) are, individually and collectively, referred to in this disclaimer as the “IACS Members“. The IACS Members assume no responsibility and shall not be liable whether in contract or in tort (including negligence) or otherwise to any person for any liability, or any direct, indirect
25、 or consequential loss, damage or expense caused by or arising from the use and/or availability of the information expressly or impliedly given in this document, howsoever provided, including for any inaccuracy or omission in it. For the avoidance of any doubt, this document and the material contain
26、ed in it are provided as information only and not as advice to be relied upon by any person. Any dispute concerning the provision of this document or the information contained in it is subject to the exclusive jurisdiction of the English courts and will be governed by English law. TABLE OF CONTENTS
27、COMMON STRUCTURAL RULES FOR OIL TANKERS 2012 TABLE OF CONTENTS SECTION 1 INTRODUCTION 1 Introduction to Common Structural Rules for Oil Tankers 1.1 General 1.2 Application of Individual Classification Rules 1.3 Guidance on Rule Structure SECTION 2 RULE PRINCIPLES 1 Introduction 1.1 Rule Principles 2
28、 General Assumptions 2.1 General 3 Design Basis 3.1 General 4 Design Principles 4.1 Overall Principles 4.2 Loads 4.3 Structural Capacity Assessment 4.4 Materials and Welding 4.5 Assessment/Acceptance Criteria 4.6 Principle of Safety Equivalence 5 Application of Principles 5.1 Overview of the Applica
29、tion of Principles 5.2 Structural Design Process 5.3 Minimum Requirements 5.4 Load-capacity Based Requirements 5.5 Materials 5.6 Application of Rule Requirements SECTION 3 RULE APPLICATION 1 Notations 1.1 Notations 2 Documentation, Plans and Data Requirements 2.1 Documentation and Data Requirements
30、2.2 Submission of Plans and Supporting Calculations 3 Scope of Approval 3.1 General 3.2 Classification 3.3 Requirements of National and International Regulations 4 Equivalence Procedure 4.1 General 5 Calculation and Evaluation of Scantling Requirements 5.1 Determination of Scantling Requirements for
31、 Plates 5.2 Determination of Scantlings of Stiffeners 5.3 Calculation and Evaluation of Scantling Requirements for Primary Support Members 5.4 Rounding of Calculated Thickness TABLE OF CONTENTS COMMON STRUCTURAL RULES FOR OIL TANKERS 2012 TABLE OF CONTENTS SECTION 4 BASIC INFORMATION 1 Definitions 1
32、.1 Principal Particulars 1.2 Position 1 and Position 2 1.3 Type A and Type B Freeboard Ships 1.4 Coordinate System 1.5 Naming Convention 1.6 Symbols 1.7 Units 1.8 Glossary 2 Structural Idealisation 2.1 Definition of Span 2.2 Definition of Spacing and Supported Breadth 2.3 Effective Breadth of Platin
33、g 2.4 Geometrical Properties of Local Support Members 2.5 Geometrical Properties of Primary Support Members 2.6 Geometrical Properties of the Hull Girder Cross-Section 3 Structure Design Details 3.1 Standard Construction Details 3.2 Termination of Local Support Members 3.3 Termination of Primary Sup
34、port Members 3.4 Intersections of Continuous Local Support Members and Primary Support Members 3.5 Openings 3.6 Local Reinforcement 3.7 Fatigue Strength SECTION 5 STRUCTURAL ARRANGEMENT 1 General 1.1 Introduction 2 Watertight Subdivision 2.1 Watertight Bulkhead Arrangement 2.2 Position of Collision
35、Bulkhead 2.3 Position of Aft Peak Bulkhead 3 Double Hull Arrangement 3.1 General 3.2 Double Bottom 3.3 Double Side 4 Separation of Spaces 4.1 Separation of Cargo Tanks 4.2 Cofferdam Spaces 5 Access Arrangements 5.1 Access Into and Within Spaces in, and Forward of, the Cargo Tank Region SECTION 6 MAT
36、ERIALS AND WELDING 1 Steel Grades 1.1 Hull Structural Steel 1.2 Application of Steel Materials 1.3 Aluminium Alloys TABLE OF CONTENTS COMMON STRUCTURAL RULES FOR OIL TANKERS 2012 TABLE OF CONTENTS 2 Corrosion Protection Including Coatings 2.1 Hull Protection 3 Corrosion Additions 3.1 General 3.2 Loc
37、al Corrosion Additions 3.3 Application of Corrosion Additions 4 Fabrication 4.1 General 4.2 Cold Forming 4.3 Hot Forming 4.4 Welding 5 Weld Design and Dimensions 5.1 General 5.2 Butt Joints 5.3 Tee or Cross Joints 5.4 Lapped Joints 5.5 Slot Welds 5.6 Stud Welds 5.7 Determination of the Size of Welds
38、 5.8 Weld for Structures Subject to High Tensile Stresses 5.9 Reduced Weld Size 5.10 End Connections of Pillars and Cross Ties 5.11 Alternatives SECTION 7 LOADS 1 Introduction 1.1 General 1.2 Definitions 2 Static Load Components 2.1 Static Hull Girder Loads 2.2 Local Static Loads 3 Dynamic Load Comp
39、onents 3.1 General 3.2 Motions 3.3 Ship Accelerations 3.4 Dynamic Hull Girder Loads 3.5 Dynamic Local Loads 4 Sloshing and Impact Loads 4.1 General 4.2 Sloshing Pressure in Tanks 4.3 Bottom Slamming Loads 4.4 Bow Impact Loads 5 Accidental Loads 5.1 Flooded Condition TABLE OF CONTENTS COMMON STRUCTUR
40、AL RULES FOR OIL TANKERS 2012 TABLE OF CONTENTS 6 Combination of Loads 6.1 General 6.2 Design Load Combination 6.3 Application of Dynamic Loads 6.4 Dynamic Load Cases and Dynamic Load Combination Factors for Strength Assessment 6.5 Dynamic Load Cases and Dynamic Load Combination for Scantling Requir
41、ements SECTION 8 SCANTLING REQUIREMENTS 1 Longitudinal Strength 1.1 Loading Guidance 1.2 Hull Girder Bending Strength 1.3 Hull Girder Shear Strength 1.4 Hull Girder Buckling Strength 1.5 Hull Girder Fatigue Strength 1.6 Tapering and Structural Continuity of Longitudinal Hull Girder Elements 2 Cargo
42、Tank Region 2.1 General 2.2 Hull Envelope Plating 2.3 Hull Envelope Framing 2.4 Inner Bottom 2.5 Bulkheads 2.6 Primary Support Members 3 Forward of the Forward Cargo Tank 3.1 General 3.2 Bottom Structure 3.3 Side Structure 3.4 Deck Structure 3.5 Tank Bulkheads 3.6 Watertight Boundaries 3.7 Superstru
43、cture 3.8 Miscellaneous Structures 3.9 Scantling Requirements 4 Machinery Space 4.1 General 4.2 Bottom Structure 4.3 Side Structure 4.4 Deck Structure 4.5 Machinery Foundations 4.6 Tank Bulkheads 4.7 Watertight Boundaries 4.8 Scantling Requirements TABLE OF CONTENTS COMMON STRUCTURAL RULES FOR OIL T
44、ANKERS 2012 TABLE OF CONTENTS 5 Aft End 5.1 General 5.2 Bottom Structure 5.3 Shell Structure 5.4 Deck Structure 5.5 Tank Bulkheads 5.6 Watertight Boundaries 5.7 Miscellaneous Structures 6 Evaluation of Structure for Sloshing and Impact Loads 6.1 General 6.2 Sloshing in Tanks 6.3 Bottom Slamming 6.4
45、Bow Impact 7 Application of Scantling Requirements to Other Structure 7.1 General 7.2 Scantling Requirements SECTION 9 DESIGN VERIFICATION 1 Hull Girder Ultimate Strength 1.1 General 1.2 Rule Criteria 1.3 Hull Girder Bending Moment Capacity 1.4 Partial Safety Factors 2 Strength Assessment (FEM) 2.1
46、General 2.2 Cargo Tank Structural Strength Analysis 2.3 Local Fine Mesh Structural Strength Analysis 2.4 Application of Scantlings in Cargo Tank Region 3 Fatigue Strength 3.1 Fatigue Evaluation 3.2 Fatigue Criteria 3.3 Locations to Apply 3.4 Fatigue Assessment Methods SECTION 10 BUCKLING AND ULTIMAT
47、E STRENGTH 1 General 1.1 Strength Criteria 2 Stiffness and Proportions 2.1 Structural Elements 2.2 Plates and Local Support Members 2.3 Primary Support Members 2.4 Other Structure 3 Prescriptive Buckling Requirements 3.1 General 3.2 Buckling of Plates 3.3 Buckling of Stiffeners 3.4 Primary Support M
48、embers 3.5 Other Structures TABLE OF CONTENTS COMMON STRUCTURAL RULES FOR OIL TANKERS 2012 TABLE OF CONTENTS 4 Advanced Buckling Analyses 4.1 General SECTION 11 GENERAL REQUIREMENTS 1 Hull Openings and Closing Arrangements 1.1 Shell and Deck Openings 1.2 Ventilators 1.3 Air Pipes 1.4 Deck Houses and
49、 Companionways 1.5 Scuppers, Inlets and Discharges 2 Crew Protection 2.1 Bulwarks and Guardrails 2.2 Tank Access 2.3 Bow Access 3 Support Structure and Structural Appendages 3.1 Support Structure for Deck Equipment 3.2 Docking 3.3 Bilge Keels 4 Equipment 4.1 Equipment Number Calculation 4.2 Anchors and Mooring Equipment 4.3 Emergency Towing 5 Testing Procedures 5.1 Tank Testing SECTION 12 SHIP IN OPERATION RENEWAL CRITERIA 1 Allowable Thickness Diminution for Hull Structure 1.1 General 1.2 Assessment of Thickness Measurements 1.3 Categories of Corrosi
