Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 4American Society of Mechanical Engineers, 2001 - Arctic regions |
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Page 129
... wrinkles formed under monotonic compressive loading . However , if a wrinkle is formed , and then is subjected to cyclic loads producing strain reversal , fracture can occur at the wrinkle location after only a few cycles . Consequently ...
... wrinkles formed under monotonic compressive loading . However , if a wrinkle is formed , and then is subjected to cyclic loads producing strain reversal , fracture can occur at the wrinkle location after only a few cycles . Consequently ...
Page 130
... wrinkles arose from the diagnosis and exposure of a wrinkle in the NPS12 Norman Wells Pipeline operated by Enbridge Pipeline ( NW ) Inc. in the MacKenzie valley of the Canadian Northwest Territories . The case history of the wrinkle is ...
... wrinkles arose from the diagnosis and exposure of a wrinkle in the NPS12 Norman Wells Pipeline operated by Enbridge Pipeline ( NW ) Inc. in the MacKenzie valley of the Canadian Northwest Territories . The case history of the wrinkle is ...
Page 135
... wrinkle in the longitudinal direction . Therefore , increase in its strain magnitude after initiation of the wrinkle ( Point H1 ) is not much and soon after it stabilizes at a strain value of about 4.0 % until cyclic strain starts ...
... wrinkle in the longitudinal direction . Therefore , increase in its strain magnitude after initiation of the wrinkle ( Point H1 ) is not much and soon after it stabilizes at a strain value of about 4.0 % until cyclic strain starts ...
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Common terms and phrases
accretion analysis annulus Arctic Engineering Arctic Ocean axial loading behavior bending stiffness Bohai buckle arrestor bundle cable calculated carrier pipe catenary coefficient collapse compressive Conference on Offshore configuration corrosion crack damping ratio deepwater defect deformation Det Norske Veritas developed diameter displacement dynamic elastic experimental failure pressures Figure finite element finite element analysis flexible pipe flowline fluid fracture freespans gauge grooves heat transfer heat transfer coefficient hummocks ice force ice load ice sheet increase installation insulation internal pressure layer length liner maximum Mechanics and Arctic method Offshore Mechanics operation parameters PETROBRAS phase pipeline pipeline system plastic predicted ratio reeling Rio de Janeiro riser system risk sagging sand scour sea ice seabed shear stress simulation soil specimens stamukhas steel strain strain gauges stress structure subsea surface temperature tension tests thermal thickness titanium values velocity water depth weld wrinkle