Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 14, Part 5American Society of Mechanical Engineers, 1995 - Arctic regions |
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Page 403
... equation to determine the support spacing of sleeper - support . This equation has been extensively used in NGTL's practices and proven to be safe and adequate . However , it is believed to be overly conservative which leads to ...
... equation to determine the support spacing of sleeper - support . This equation has been extensively used in NGTL's practices and proven to be safe and adequate . However , it is believed to be overly conservative which leads to ...
Page 435
... EQUATION AND CURRENT DESIGN EQUATIONS Based on the interaction curves obtained from the parametric studies , an equation has been adjusted to represent approximately the ultimate strength capacity of pipelines in the range of geometries ...
... EQUATION AND CURRENT DESIGN EQUATIONS Based on the interaction curves obtained from the parametric studies , an equation has been adjusted to represent approximately the ultimate strength capacity of pipelines in the range of geometries ...
Page 436
... equation is overconservative in relation to LIMI mainly for small D / t . Shell equation avoids non - conservativism due to the relatively lower bound value adopted as ultimate bending strain . Battelle and Shell are conservative in ...
... equation is overconservative in relation to LIMI mainly for small D / t . Shell equation avoids non - conservativism due to the relatively lower bound value adopted as ultimate bending strain . Battelle and Shell are conservative in ...
Contents
Current Measurements and Modelling Data Basis for Pipeline | 29 |
20 Years Learning Experience | 37 |
Innovations in Pipeline Installation | 47 |
Copyright | |
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American Gas Association analysis applied approach ASME assessment backfill behaviour bending buckling cathodic protection chromium compressive corrosion rate cost cracking criteria CTOD curve defects deformation depth diameter disbonded displacement effect Engineering equation evaluation factors failure finite element flow gas pipelines geotechnical ground movement hazards hoop stress increase influence diagram inspection installation integrity interaction internal coating joint landslide LIGHTLY CORROSIVE limit line pipe load localisation maintenance material maximum measurements mechanical method North Sea Norwegian Trench Offshore operating parameters performed pipe material Pipeline Technology plastic potential predicted pressure probabilistic risk S-N curve safety samples seabed shear strength shown in Figure SINTEF Skaha Lake slope soil resistance specimen steel strain stress Stress Corrosion Cracking surface temperature tensile tests thermal insulation tidal tie-in trench values wall thickness weld metal yield strength