Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 9, Part 5American Society of Mechanical Engineers, 1990 - Arctic regions |
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Page 18
... material . Each pipe measures 762mm in outside diameter by 16mm in wall thickness . Steel A pipe made using as - CR plate has tensile strength in the 500MPa class , and steel B pipe made using aged plate has tensile strength in the ...
... material . Each pipe measures 762mm in outside diameter by 16mm in wall thickness . Steel A pipe made using as - CR plate has tensile strength in the 500MPa class , and steel B pipe made using aged plate has tensile strength in the ...
Page 36
... material Young's modulus and Poisson's ratio , respectively ( see Timoshenko , 1933 ) . The corresponding buckling mode is represented by ลต = a cos 20 and ~ = b sin 20 where w and v are defined in Fig . 4 . ( 2 ) For tubes with lower Ro ...
... material Young's modulus and Poisson's ratio , respectively ( see Timoshenko , 1933 ) . The corresponding buckling mode is represented by ลต = a cos 20 and ~ = b sin 20 where w and v are defined in Fig . 4 . ( 2 ) For tubes with lower Ro ...
Page 60
... material ruptured or the weld cracked and failed . Equipment failures were primarily due to leakages or ... material failure , and the remaining 77 percent were attributed to equipment failure . Operational Only seven accidents were ...
... material ruptured or the weld cracked and failed . Equipment failures were primarily due to leakages or ... material failure , and the remaining 77 percent were attributed to equipment failure . Operational Only seven accidents were ...
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addition analysis applied approach assessment assumed bending calculations caused considered CONTINUE corrosion crack damage deformation depth described diameter direction displacement distribution effect energy Engineering ensemble equations factors failure field Figure flow force fracture function given hole included increase initial installation internal layer length limit load material maximum mean measured mechanical method mode movement obtained occurred Offshore operation parameters pipe pipeline plastic plate platform position predicted presented pressure probability problem procedure properties radial range reduced relative reliability resistance response safety scaling scour seabed shown shows simulated soil solution span stability steel strain strength stress structure subsea surface Table term thickness toughness tracers tube uncertainty values valve variables wall wave weight weld