ABS 2 PART 5C CH 1-6-2017 RULES FOR BUILDING AND CLASSING STEEL VESSELS 2017 PART 5C SPECIFIC VESSEL TYPES (CHAPTERS 1-6).pdf

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1、 Part 5C : Specific Vessel Types (Chapters 1- 6) RULES FOR BUILDING AND CLASSING STEEL VESSELS 2017 PART 5C SPECIFIC VESSEL TYPES (CHAPTERS 1-6) American Bureau of Shipping Incorporated by Act of Legislature of the State of New York 1862 2016 American Bureau of Shipping. All rights reserved. ABS Pla

2、za 16855 Northchase Drive Houston, TX 77060 USA Foreword Foreword In association with the harmonization of the Common Structural Rules (CSR) for Bulk Carriers and Oil Tankers, on 1 July 2015, the three Sub-parts, 5A, 5B, and 5C, of Part 5 of the Rules for Building and Classing Steel Vessels are as f

3、ollows: Contents Part 5A: General Hull Requirements (IACS CSR Part 1) Part 5B: Ship Types (IACS CSR Part 2) Part 5C: This Part is divided into two separate booklets as follows: Chapters 1 to 6: Tankers and Bulk Carriers not covered by Part 5A and Part 5B and Container Carriers Chapters 7 to 13: Pass

4、enger Vessels, Liquefied Gas Carriers, Chemical Carriers, Vessels Intended to Carry Vehicles, Water Carriers, Membrane Tank LNG Carriers, and Vessels Using Gases or other Low-Flashpoint Fuels. Application Oil Tankers The structural requirements in Part 5A, Pt 1 and Part 5B, Pt 2, Ch 2 of the Rules a

5、re applicable for double hull oil tankers of 150 m in length and upward, with structural arrangements as specified in Part 5A, Pt 1, Ch 1, Sec 1, 1.3. For oil tankers with structural arrangements not covered by Part 5A, Pt 1 and Part 5B, Pt 2, Ch 2, the requirements in Part 5C, Chapters 1 or 2, are

6、to be complied with. Application Bulk Carriers The structural requirements in Part 5A, Pt 1 and Part 5B, Pt 2, Ch 1 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 5A, Pt 1, Ch 1, Sec 1

7、, 1.2. For vessels intended to carry ore or bulk cargoes, other than the single side skin or double side skin bulk carriers of 90 m in length and upward with structural arrangements as specified in Part 5A, Pt 1 and Part 5B, Pt 2, Ch 1, the requirements in Part 5C, Chapters 3 or 4 are to be complied

8、 with. Application ABS Construction Monitoring Program These compulsory requirements 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, Sec

9、tion 7, and for all bulk carriers are to comply with the requirements of Part 5C, Chapter 3, Section 7 of the Rules. Application References Other Parts of the ABS Rules that are referenced within Part 5A, 5B, or 5C are also to be applied. The following flow chart indicates the application of the Rul

10、es and typical Class Notations for tanker and bulk carrier vessels, of which arrangements and scantlings are in full compliance with the Rules: ii ABSRULES FOR BUILDING AND CLASSING STEEL VESSELS .2017 Vessels Intended to Carry Oil in Bulk Vessels Intended to Carry Ore or Bulk CargoesL 150 m?Arrange

11、ment and layout comply with Part 5A, Pt 1, Ch 1, Sec 1, 1.3 and Part 5A, Pt 1, Ch 1, Sec 1, Figure 3?Part 5A, Pt 1 and Part 5B, Pt 1, Ch 2: Common Structural RulesandPart 5C, Appendix 2Part 5C, Chapter 1, Section 7:ABS Steel Vessel Rulesnull A1 Oil Carrier, CSR, AB-CMplusappropriate notations for oi

12、l carriersPart 5C, Chapter 1, Appendix 1 to Part 5CABS Steel Vessel Rules(L 150 m)null A1 Oil Carrier, SH, SHCMplusappropriate notations for oil carriersPart 5C, Chapter 2ABS Steel Vessel Rules(L 150 m)null A1 Oil Carrierplusappropriate notations for oil carriersL 90 m?Arrangement and layout comply

13、with Part 5A, Pt 1, Ch 1, Sec 1, 1.2 andPart 5A, Pt 1, Ch 1, Sec 1, Figures 1 Speed Log; Impressed Current System 193 31.15 Cargo Oil Pump Room . 194 31.17 Pipe Tunnel or Duct Keel . 195 8 ABSRULES FOR BUILDING AND CLASSING STEEL VESSELS .2017 33 Integrated Cargo and Ballast Systems . 195 33.1 Appli

14、cation . 195 33.3 Functional Requirements. 195 33.5 Design Features 195 TABLE 1 Electrical Equipment in Hazardous Areas of Oil Carriers . 193 FIGURE 1 Connection between Inert Gas Main and Cargo Piping . 180 FIGURE 2 Hazardous Areas on Open Deck 192 SECTION 7 Appendix 1 Examples of Inerting/Gas Free

15、ing Analysis of Ballast Tank 196 1 Introduction . 196 3 Description of the Ballast Tank . 197 3.1 Dimensions 197 3.3 Transverse Bulkheads and Frames . 197 3.5 Stringers 198 3.7 Girders. 198 3.9 Discharge Pipe and Gas Outlet . 198 3.11 Simulation Model . 198 5 Results 198 5.1 Inerting 199 5.3 Gas-fre

16、eing 202 7 Conclusions 205 TABLE 1 Composition of Gases . 198 FIGURE 1 Ballast Tank with Discharge Pipe . 197 FIGURE 2(a) Inerting at 0.5 hr (1800 seconds), 0.33 Atmosphere Changes 199 FIGURE 2(b) Inerting at 1.0 hr (3600 seconds), 0.67 Atmosphere Changes 200 FIGURE 2(c) Inerting at 1.5 hr (5400 sec

17、onds), 1.0 Atmosphere Change 200 FIGURE 2(d) Inerting at 2.25 hr (8100 seconds), 1.5 Atmosphere Changes 201 FIGURE 2(e) Inerting at 3.0 hr (10800 seconds), 2.0 Atmosphere Changes 201 FIGURE 3(a) Gas-freeing at 0.5 hr (1800 seconds), 0.33 Atmosphere Changes 202 FIGURE 3(b) Gas-freeing at 1.0 hr (3600

18、 seconds), 0.67 Atmosphere Changes 203 FIGURE 3(c) Gas-freeing at 1.5 hr (5400 seconds), 1.0 Atmosphere Change 203 FIGURE 3(d) Gas-freeing at 2.25 hr (8100 seconds), 1.5 Atmosphere Changes 204 FIGURE 3(e) Gas-freeing at 3.0 hr (10800 seconds), 2.0 Atmosphere Changes 204 FIGURE 4 Averaged Oxygen Conc

19、entrations 205 ABSRULES FOR BUILDING AND CLASSING STEEL VESSELS .2017 9 APPENDIX 1 Fatigue Strength Assessment of Tankers 206 1 General . 206 1.1 Note . 206 1.3 Applicability 206 1.5 Loadings 206 1.7 Effects of Corrosion . 206 1.9 Format of the Criteria . 207 3 Connections to be Considered for the F

20、atigue Strength Assessment. 207 3.1 General 207 3.3 Guidance on Locations 207 5 Permissible Stress Range . 214 5.1 Assumptions 214 5.3 Criteria . 214 5.5 Long Term Stress Distribution Parameter, 214 5.7 Permissible Stress Range . 215 7 Fatigue Inducing Loads and Determination of Total Stress Ranges

21、218 7.1 General 218 7.3 Wave-induced Loads Load Components 218 7.5 Fatigue Assessment Zones and Controlling Load Combination 218 7.7 Primary Stress fd1 . 219 7.9 Secondary Stress fd2 219 7.11 Additional Secondary Stresses f*d2 and Tertiary Stresses fd3 . 219 9 Resulting Stress Ranges 222 9.1 Definit

22、ions 222 11 Determination of Stress Concentration Factors (SCFs) . 223 11.1 General 223 11.3 Sample Stress Concentration Factors (SCFs) . 223 13 Stress Concentration Factors Determined From Finite Element Analysis . 230 13.1 Introduction 230 13.3 S-N Data 230 13.5 S-N Data and SCFs . 230 13.7 Calcul

23、ation of Hot Spot Stress for Fatigue Analysis of Ship Structures 233 TABLE 1 Fatigue Classification for Structural Details 209 TABLE 1A Coefficient, C . 215 TABLE 2 Ks(SCF) Values 223 FIGURE 1 Basic Design S-N Curves . 216 FIGURE 2 Cn= Cn() . 221 FIGURE 3 Cut-outs (Slots) For Longitudinal 225 FIGURE

24、 4 Fatigue Classification for Longitudinals in way of Flat Bar Stiffener . 227 FIGURE 5 . 227 10 ABSRULES FOR BUILDING AND CLASSING STEEL VESSELS .2017 FIGURE 6 . 228 FIGURE 7 . 228 FIGURE 8 . 229 FIGURE 9 Doublers and Non-load Carrying Members on Deck or Shell Plating 229 FIGURE 10 . 232 FIGURE 11

25、. 232 FIGURE 12 . 232 FIGURE 13 . 234 APPENDIX 2 Calculation of Critical Buckling Stresses 235 1 General . 235 3 Rectangular Plates 235 5 Longitudinals and Stiffeners 238 5.1 Axial Compression 238 5.3 Torsional/Flexural Buckling . 238 5.5 Buckling Criteria for Unit Corrugation of Transverse Bulkhead

26、 . 239 7 Stiffened Panels 241 7.1 Large Stiffened Panels 241 7.3 Corrugated Transverse Bulkheads 242 9 Deep Girders, Webs and Stiffened Brackets 243 9.1 Critical Buckling Stresses of Web Plates and Large Brackets . 243 9.3 Effects of Cut-outs . 243 9.5 Tripping . 243 11 Stiffness and Proportions 244

27、 11.1 Stiffness of Longitudinals . 244 11.3 Stiffness of Web Stiffeners 245 11.5 Stiffness of Supporting Members 245 11.7 Proportions of Flanges and Face Plates 245 11.9 Proportions of Webs of Longitudinals and Stiffeners . 245 TABLE 1 Buckling Coefficient, Ki. 236 FIGURE 1 Net Dimensions and Proper

28、ties of Stiffeners 240 FIGURE 2 . 242 APPENDIX 3 Application to Single Hull Tankers . 246 1 General . 246 1.1 Nominal Design Corrosion Values . 246 1.3 Load Criteria 246 1.5 Strength Criteria 246 3 Main Supporting Structures 247 3.1 Bottom Transverses 247 3.3 Bottom Girders 248 3.5 Side Transverses

29、251 ABSRULES FOR BUILDING AND CLASSING STEEL VESSELS .2017 11 3.7 Deck Transverses 252 3.9 Longitudinal Bulkhead Vertical Webs 254 3.11 Other Main Supporting Members . 256 3.13 Proportions 256 5 Strength Assessment 256 5.1 General 256 5.3 Special Considerations 256 TABLE 1 Design Pressure for Local

30、and Supporting Structures 249 TABLE 2 Coefficient c for Side Transverse 251 TABLE 3 Coefficients KUand KLfor Side Transverses 252 TABLE 4 Coefficient c2For Deck Transverse . 254 TABLE 5 Coefficient c for Vertical Web on Longitudinal Bulkhead 255 TABLE 6 Coefficients KUand KLfor Vertical Web on Longi

31、tudinal Bulkhead . 256 FIGURE 1 Spans of Transverses and Girders . 250 APPENDIX 4 Application to Mid-deck Tankers 257 1 General . 257 1.1 Design Concepts . 257 1.3 Design and Strength of Hull Structures 257 3 Load Criteria 258 3.1 Loading Patterns and Load Cases 258 3.3 Determination of Loads and Sc

32、antlings . 259 5 Strength Criteria 260 5.1 Hull Girder and Structural Elements 260 5.3 Mid-deck Structures . 260 7 Strength Assessment 260 7.1 Failure Criteria . 260 7.3 Special Considerations 260 FIGURE 1 Typical Cross Section for Mid-deck Tankers 258 FIGURE 2 Loading Pattern . 259 APPENDIX 5 Hull

33、Girder Ultimate Strength Assessment of Oil Carriers . 261 1 General . 261 3 Vertical Hull Girder Ultimate Limit State . 261 5 Hull Girder Ultimate Bending Moment Capacity . 262 5.1 General 262 5.3 Physical Parameters 263 5.5 Calculation Procedure . 264 5.7 Assumptions and Modeling of the Hull Girder

34、 Cross-section . 265 5.9 Stress-strain Curves - (or Load-end Shortening Curves) . 267 12 ABSRULES FOR BUILDING AND CLASSING STEEL VESSELS .2017 FIGURE 1 Bending Moment Curvature Curve M- . 262 FIGURE 2 Dimensions and Properties of Stiffeners 264 FIGURE 3 Example of Defining Structural Elements . 266

35、 FIGURE 4 Example of Stress Strain Curves - 267 ABSRULES FOR BUILDING AND CLASSING STEEL VESSELS .2017 13 PART Section 1: Introduction 5C CHAPTER 1 Vessels Intended to Carry Oil in Bulk (150 meters (492 feet) or more in Length) SECTION 1 Introduction 1 General 1.1 Classification (1 July 2001) In acc

36、ordance with 1-1-3/3 and 1-1-3/25, the classification notation null A1 Oil Carrier, SH, SHCM is to be assigned to vessels designed for the carriage of oil cargoes in bulk, and built to the requirements of this Chapter and other relevant sections of the Rules. As used in the Rules, the term oil refer

37、s to petroleum products having flash points at or below 60C (140F), closed cup test, and specific gravity of not over 1.05. Vessels intended to carry fuel oil having a flash point above 60C (140F), closed cup test, and to receive classification null A1 Fuel Oil Carrier, SH, SHCM are to comply with t

38、he requirements of this Chapter and other relevant sections of the Rules, with the exception that the requirements for cofferdams, gastight bulkheads and aluminum paint may be modified. 1.2 Optional Class Notation for Design Fatigue Life (2003) Vessels designed and built to the requirements in this

39、Chapter are intended to have a structural fatigue life of not less than 20 years. Where a vessels design calls for a fatigue life in excess of the minimum design fatigue life of 20 years, the optional class notation FL (year) will be assigned at the request of the applicant. This optional notation i

40、s eligible, provided the excess design fatigue life is verified to be in compliance with the criteria in Appendix 1 of this Chapter, “Fatigue Strength Assessment of Tankers”. Only one design fatigue life value is published for the entire structural system. Where differing design fatigue life values

41、are intended for different structural elements within the vessel, the (year) refers to the least of the varying target lives. The design fatigue life refers to the target value set by the applicant, not the value calculated in the analysis. The notation FL (year) denotes that the design fatigue life

42、 assessed according to Appendix 1 of this Chapter is greater than the minimum design fatigue life of 20 years. The (year) refers to the fatigue life equal to 25 years or more (in 5-year increments) as specified by the applicant. The fatigue life will be identified in the Record by the notation FL (y

43、ear); e.g., FL(30) if the minimum design fatigue life assessed is 30 years. 1.3 Application 1.3.1 Size and Proportion (1997) The requirements contained in this Chapter are applicable to double hull tankers intended for unrestricted service, having lengths of 150 meters (492 feet) or more, and having

44、 parameters within the range as specified in 3-2-1/1. 1.3.2 Vessel Types The equations and formulae for determining design load and strength requirements, as specified in Section 5C-1-3 and Section 5C-1-4, are applicable to double hull tankers. For mid-deck or single hull tankers, the parameters use

45、d in the equations are to be adjusted according to the structural configurations and loading patterns outlined in Appendix 5C-1-A3 or Appendix 5C-1-A4. The strength assessment procedures and the failure criteria, as specified in Section 5C-1-5, are applicable to all types of tankers. 14 ABSRULES FOR

46、 BUILDING AND CLASSING STEEL VESSELS .2017 Part 5C Specific Vessel Types Chapter 1 Vessels Intended to Carry Oil in Bulk (150 m (492 ft) or more in Length) Section 1 Introduction 5C-1-1 Double hull tanker is a tank vessel having full depth wing water ballast tanks or other non-cargo spaces, and full

47、 breadth double bottom water ballast tanks or other non-cargo spaces throughout the cargo area, intended to prevent or at least reduce the liquid cargo outflow in an accidental stranding or collision. The size and capacity of these wing/double bottom tanks or spaces are to comply with MARPOL 73/78 a

48、nd national Regulations, as applicable. Mid-deck tanker: Refer to 5C-1-A4/1.1, “Design Concepts”. Single hull tanker is a tank vessel that does not fit the above definitions of Double hull tanker or Mid-deck tanker. 1.3.3 Direct Calculations Direct calculations with respect to the determination of d

49、esign loads and the establishment of alternative strength criteria based on first principles will be accepted for consideration, provided that all the supporting data, analysis procedures and calculated results are fully documented and submitted for review. In this regard, due consideration is to be given to the environmental conditions, probability of occurrence, uncertainties in load and response predictions and reliability of the structure in service. For long term prediction of wave loads, realistic wave spectra covering the North Atlant