ABS 126 CORR-2017 GUIDE FOR BUCKLING AND ULTIMATE STRENGTH ASSESSMENT FOR OFFSHORE STRUCTURES.pdf

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1、 GUIDE FOR BUCKLING AND ULTIMATE STRENGTH ASSESSMENT FOR OFFSHORE STRUCTURES APRIL 2004 CORRIGENDA/EDITORIALS 1 June 2006 CORRIGENDA/EDITORIALS 11 June 2007 CORRIGENDA/EDITORIALS 22 October 2008 CORRIGENDA/EDITORIALS 1 July 2010 CORRIGENDA/EDITORIALS 1 July 2011 CORRIGENDA/EDITORIALS 11 March 2013 C

2、ORRIGENDA/EDITORIALS 1 February 2014 CORRIGENDA/EDITORIALS 1 January 2017 Page No. Paragraph Comments Foreword iii Foreword In fourth bullet, “Guide for Building and Classing Floating Production Installations” to read “Rules for Building and Classing Floating Production Installations”. iii Foreword

3、In first paragraph following bullets, “Rules and Guides” to read “Rules”. Section 1 Introduction 1 1/5 In last paragraph, “ABS Guide for Shipbuilding and Repair Quality Standard for Hull Structures During Construction” to read “IACS Recommendation No. 47 “Shipbuilding and Repair Quality Standard”. 2

4、 1/9 In first paragraph, “ABS Guide for Building and Classing Floating Production Installations (FPI Guide)” to read “ABS Rules for Building and Classing Floating Production Installations (FPI Rules)”. 2 1/9 In fifth paragraph, “FPI Guide” to read “FPI Rules”. 2 1/11 In second paragraph, “FPI Guide”

5、 to read “FPI Rules”. Section 2 Individual Structural Members 8 2/Table 1 In row 5, add definition of dcsunder Geometrical Parameters “dcs= Distance of shear center to centroid”. 8 2/Table 1 In row 5, under Properties, equation for Ioto read “Io= Iy+ Iz+ A2csd ”. 8 2/Table 1 In row 6, add definition

6、 of dcsunder Geometrical Parameters “dcs= Distance of shear center to centroid”. 8 2/Table 1 In row 6, under Properties, equation for Ioto read “Io= Iy+ Iz+ A2csd ”. 9 2/Table 1 In row 7, add definition of dcsunder Geometrical Parameters “dcs= Distance of shear center to centroid”. 9 2/Table 1 In ro

7、w 7, under Properties, equation for Ioto read “Io= Iy+ Iz+ A2csd ”. ABSGUIDE FOR BUCKLING AND ULTIMATE STRENGTH ASSESSMENT FOR OFFSHORE STRUCTURES .2004 1 Corrigenda/Editorials 1 January 2017 Page No. Paragraph Comments Section 2 Individual Structural Members 13 2/Figure 2 Add Note as follows: “Note

8、: These alignment charts or nomographs are based on the following assumptions: 1 Behavior is purely elastic. 2 All members have constant cross section. 3 All joints are rigid. 4 For columns in frames with sidesway prevented, rotations at opposite ends of the restraining beams are equal in magnitude

9、and opposite in direction, producing single curvature bending. 5 For columns in frames with sidesway permitted, rotations at opposite ends of the restraining beams are equal in magnitude and direction, producing reverse curvature bending 6 The stiffness parameter L (P/EI )1/2 of all columns is equal

10、. 7 Joint restraint is distributed to the column above and below the joint in proportion to EI/L for the two columns. 8 All columns buckle simultaneously. 9 No significant axial compression force exists in the restraining beams. Adjustments are required when these assumptions are violated and the al

11、ignment charts are still to be used. Reference is made to ANSI/AISC 360-05, Commentary C2.” 13 2/3.5 First sentence to read, “A member subjected to bending moment”. 17 2/7.1 Delete definition of t. 17 2/7.1 Definition of tcto read “tc= calculated axial tensile stress”. 19 2/9.1 In last line, “D/t E/

12、(4.50)” to read “D/t E/(4.50)”. 20 2/9.3 In last line, “D/t E/(4.50)” to read “D/t E/(4.50)”. 20 2/9.5 In last line, “D/t E/(4.50)” to read “D/t E/(4.50)”. Section 3 Plates, Stiffened Panels and Corrugated Panels 23 3/1 In second paragraph, “FPI Guide” to read “FPI Rules”. 2 ABSGUIDE FOR BUCKLING AN

13、D ULTIMATE STRENGTH ASSESSMENT FOR OFFSHORE STRUCTURES .2004 Corrigenda/Editorials 1 January 2017 Page No. Paragraph Comments Section 3 Plates, Stiffened Panels and Corrugated Panels 24 3/Figure 2 Revise y-axis as follows: zbfb2b1tfy0dwtwz0tseyCentroid ofStiffener27 3/3 Reference “3/3.5” to read “3/

14、3.3 and 3/3.5”. 28 3/3.1.1 In definition of 0, delete “critical”. 37 3/5.5 Renumber Subparagraphs 5.3.1 and 5.3.2 as 5.5.1 and 5.5.2, respectively. 40 3/7.9 Renumber Subparagraphs 7.5.1, 7.5.2 and 7.5.3 as 7.9.1, 7.9.2, and 7.9.3, respectively. 41 3/9.3 In both equations, “/t3” to read “t3”. 43 3/11

15、.3 In definition of kc, equation to read “7.65 0.26(c/a)22”. 43 3/11.3 Definition of Cm, to read “Cm= bending moment factor determined by rational analysis, which may be taken as 1.5 for a panel whose ends are simply supported”. 43 3/11.3 Definition of a, c to read “a, c = width of the compressed fl

16、ange and web plating, respectively, as defined in Section 3, Figure 4”. 44 3/11.5 In definition of G, equation to read: “( )000011 rEErrrEEPPPPifif”. 44 3/11.5 In definition of Ex, equation to read “kx2(DxDy)1/2/(txB2)”. 44 3/11.5 In definition of Ey, equation to read “ky2(DxDy)1/2/(tL2)”. 44 3/11.5

17、 In definition of E, equation to read “kS2Dx3/4Dy1/4/(tL2)”. 44 3/11.5 In definition of kx, “for L/B 1” to read “L/B 0.5176(Dx/Dy)1/4” and “for L/B 0.53 s for m 0.53”. 57 4/7.3 In definition of Ise, “zst” to read “zst2”. 57 4/7.5 Equation to read “CB= (CR+ sp) Kp”. 57 4/7.5 Equation to read “CB= (CR

18、+ sp)Kp 0”. 60 4/11 Revise first paragraph to read “A cylindrical shell subjected to axial compression, or bending moment or both; with or without external pressure, is to be designed to resist beam-column buckling. Beam-column buckling is to be assessed if:”. 61 4/11 In definition of Cx, second equ

19、ation to read: “+222501150BCRBCBCxBeAA ).(. ”. 61 4/11 After definition of , add definition of A as follows: “A = cross sectional area as defined in 4/7.1”. 4 ABSGUIDE FOR BUCKLING AND ULTIMATE STRENGTH ASSESSMENT FOR OFFSHORE STRUCTURES .2004 Corrigenda/Editorials 1 January 2017 Page No. Paragraph

20、Comments Section 4 Cylindrical Shells 61 4/11 After definition of , add definition of Aeas follows: “Ae= effective cross sectional area as defined in 4/7.1”. 61 4/13.1 Equation to read: “x= a+ b”. 62 4/13.3 In definition of R, equation to read: “RFKrrttrq).( 50+”. 62 4/13.3 Definition of k to read:

21、“NxNfor lateral pressure NxN+ 0.5 for hydrostatic pressure” 62 4/13.3 In definition of k, “NxN” to read “Nx/N” (2 places). 62 4/13.3 After definition of q, add definition of Nxas follows: “Nx= axial load per unit length, N/cm (kg/cm, lbf/in)”. 62 4/13.3 Definition of Nxto read “Nx= axial load per un

22、it length, excluding the capped-end actions due to hydrostatic pressure, N/cm (kg/cm, lbf/in)”. 62 4/13.3 After definition of q, add definition of Nas follows: “N= circumferential load per unit length, N/cm (kg/cm, lbf/in)”. Section 5 Tubular Joints 66 5/1.7 In first bullet, “the Bureau” to read “ABS”. 66 5/1.7 In second bullet, “the Bureau” to read “ABS”. ABSGUIDE FOR BUCKLING AND ULTIMATE STRENGTH ASSESSMENT FOR OFFSHORE STRUCTURES .2004 5