ABS-108-2002-E2008.pdf
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1、 GUIDE FOR BUILDING AND CLASSING MEMBRANE TANK LNG VESSELS OCTOBER 2002 Guide to Color Coding Used in Online Version of the Rules The following summarizes the colors corresponding to Rule Changes, Corrigenda items and editorial changes in the Rules files which are available for download. Rule Change
2、s: NOTICE NO. 1 23 August 2004 (effective 23 August 2004) NOTICE NO. 2 May 2008 (effective 1 July 2008) Corrigenda: CORRIGENDA/EDITORIALS 24 February 2006 CORRIGENDA/EDITORIALS 29 May 2008 Editorials: Editorial Changes Copyright American Bureau of Shipping Provided by IHS under license with ABS Lice
3、nsee=Boeing Co/5910770001 Not for Resale, 08/07/2008 20:49:54 MDTNo reproduction or networking permitted without license from IHS -,-,- Guide for Building and Classing Membrane Tank LNG Vessels GUIDE FOR BUILDING AND CLASSING MEMBRANE TANK LNG VESSELS (HULL STRUCTURAL DESIGN AND ANALYSIS BASED ON TH
4、E ABS SAFEHULL APPROACH) OCTOBER 2002 (Updated May 2008 see next page) American Bureau of Shipping Incorporated by Act of Legislature of the State of New York 1862 Copyright 2002 American Bureau of Shipping ABS Plaza 16855 Northchase Drive Houston, TX 77060 USA Copyright American Bureau of Shipping
5、Provided by IHS under license with ABS Licensee=Boeing Co/5910770001 Not for Resale, 08/07/2008 20:49:54 MDTNo reproduction or networking permitted without license from IHS -,-,- Updates May 2008 consolidation includes: February 2006 version plus Notice No. 2 February 2006 consolidation includes: Au
6、gust 2004 version plus Corrigenda/Editorials August 2004 consolidation includes: October 2002 version plus Notice No. 1 Copyright American Bureau of Shipping Provided by IHS under license with ABS Licensee=Boeing Co/5910770001 Not for Resale, 08/07/2008 20:49:54 MDTNo reproduction or networking perm
7、itted without license from IHS -,-,- ABS GUIDE FOR BUILDING AND CLASSING MEMBRANE TANK LNG VESSELS . 2002 i Foreword Foreword The industry and ABS share a large and successful body of experience with membrane tank LNG vessels. Owners and designers familiar with the benefits of the ABS SafeHull Rule
8、approach in the design and analysis of other vessel types requested that ABS adapt the SafeHull criteria so that it can be used in the Classification of membrane tank LNG vessels. The results of this development are presented in this Guide. This Guide provides criteria that can be applied in the Cla
9、ssification of the hull structure of a membrane tank LNG vessel. The hull strength criteria contained herein are to be considered as an alternative to those for corresponding aspects of Classification as given in Part 5, Chapter 8 of the Steel Vessel Rules (SVR 5C-8). The Owner may select to use eit
10、her this Guide or SVR 5C-8, however the Classification symbol, SH, (signifying compliance with the SafeHull based criteria in this Guide) will only be granted when the design is based on the criteria of this Guide. In the same design, for aspect of the hull structural design that are covered by both
11、 this Guide and SVR 5C-8 it is not valid to switch between the criteria in this Guide and SVR 5C-8. This Guide does not cover the design, fabrication and installation of the LNG containment system. After a certain period for trial use, the criteria contained in this Guide will be incorporated and pu
12、blished in the Steel Vessel Rules. ABS encourages and welcomes at any time the submission of comments on this Guide. The criteria contained in this Guide became effective on 1 MAY 2002. Reference Note Reference to a paragraph in the Steel Vessel Rules is made in the format P-C-S/ss.p where P is the
13、Part, C is the Chapter, S is the Section, ss is the Subsection and p is the Paragraph. Reference to a paragraph in this Guide is made in the format S/ss.p, where S is the Section, ss is the Subsection and p is the Paragraph. Reference to a Figure or Table in this Guide is made, respectively, in the
14、format S/Figure #, or S/Table # where S is the Section in which the figure or table is located. Copyright American Bureau of Shipping Provided by IHS under license with ABS Licensee=Boeing Co/5910770001 Not for Resale, 08/07/2008 20:49:54 MDTNo reproduction or networking permitted without license fr
15、om IHS -,-,- This Page Intentionally Left Blank Copyright American Bureau of Shipping Provided by IHS under license with ABS Licensee=Boeing Co/5910770001 Not for Resale, 08/07/2008 20:49:54 MDTNo reproduction or networking permitted without license from IHS -,-,- ABS GUIDE FOR BUILDING AND CLASSING
16、 MEMBRANE TANK LNG VESSELS . 2002 1 Table of Contents GUIDE FOR BUILDING AND CLASSING MEMBRANE TANK LNG VESSELS 150 meters (492 feet) or more in Length CONTENTS SECTION 1 Introduction9 1 General 9 1.1 Classification.9 1.2 Optional Class Notation for Design Fatigue Life9 1.3 Application 9 1.5 Interna
17、l Members10 1.7 Breaks.11 1.9 Variations11 1.11 Loading Guidance.11 1.13 Design Vapor Pressure.11 1.15 Protection of Structure 12 1.17 Containment System.12 FIGURE 1 .11 SECTION 2 Design Considerations and General Requirements .13 1 General Requirements.13 1.1 General .13 1.3. Initial Scantling Requ
18、irements.13 1.5 Strength Assessment Failure Modes .13 1.7 Structural Redundancy and Residual Strength .13 3 Nominal Design Corrosion Values.14 3.1 General .14 TABLE 1 Nominal Design Corrosion Values.16 FIGURE 1 Nominal Design Corrosion Values.15 Copyright American Bureau of Shipping Provided by IHS
19、under license with ABS Licensee=Boeing Co/5910770001 Not for Resale, 08/07/2008 20:49:54 MDTNo reproduction or networking permitted without license from IHS -,-,- 2 ABS GUIDE FOR BUILDING AND CLASSING MEMBRANE TANK LNG VESSELS . 2002 SECTION 3 Load Criteria.17 1 General 17 1.1 Load Components.17 3 S
20、tatic Loads .17 3.1 Still-water Bending Moment.17 5 Wave-Induced Loads.17 5.1 Wave-Induced Longitudinal Bending Moments and Shear Forces.18 5.3 Horizontal Wave Bending Moments and Shear Forces .19 5.5 External Pressures20 5.7 Internal Pressures Inertia Forces and Added Pressure Heads.22 7 Nominal De
21、sign Loads.38 7.1 General38 7.3 Hull Girder Loads Longitudinal Bending Moments and Shear Forces38 7.5 Local Loads for Design of Supporting Structures38 7.7 Local Pressures for Design of Plating and Longitudinals.39 9 Combined Load Cases 39 9.1 Combined Load Cases for Structural Analysis39 9.3 Combin
22、ed Load Cases for Failure Assessment 39 11 Sloshing Loads 40 11.1 General40 11.3 Strength Assessment of Tank Boundary Structures40 11.5 Sloshing Pressures .41 13 Impact Loads .48 13.1 Impact Loads on Bow48 13.3 Bottom Slamming50 13.5 Bowflare Slamming .52 TABLE 1A Combined Load Cases for Total Stren
23、gth and Fatigue Assessment 32 TABLE 1B Additional IGC Load Cases for Initial Scantling Evaluation of Main Supporting Members by FEA .33 TABLE 2 Load Cases for Sloshing34 TABLE 3 Design Pressure for Local and Supporting Members35 TABLE 4 Definition of dl, Ci and Ci44 TABLE 5 Values of .51 TABLE 6 Val
24、ues of Ai and Bi 54 FIGURE 1 Loading Pattern18 FIGURE 2 Distribution Factor mh.27 FIGURE 3 Distribution Factor fh.27 FIGURE 4 Distribution of hdi28 Copyright American Bureau of Shipping Provided by IHS under license with ABS Licensee=Boeing Co/5910770001 Not for Resale, 08/07/2008 20:49:54 MDTNo rep
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