Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 15, Part 5American Society of Mechanical Engineers, 1996 - Arctic regions |
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Page 281
... vertical seabed imperfections are usually larger than the as - laid horizontal curvatures , and the maximum lateral soil resistance may be larger than the pipeline weight in cohesive soils , the pipeline is forced to deflect vertically ...
... vertical seabed imperfections are usually larger than the as - laid horizontal curvatures , and the maximum lateral soil resistance may be larger than the pipeline weight in cohesive soils , the pipeline is forced to deflect vertically ...
Page 282
... vertical amplitude increases , the span length is approaching a nearly asymptotic value , which is only slightly ... vertical deflection amplitudes , the vertical post - buckling load exceeds the lateral break - out load , and pipeline ...
... vertical amplitude increases , the span length is approaching a nearly asymptotic value , which is only slightly ... vertical deflection amplitudes , the vertical post - buckling load exceeds the lateral break - out load , and pipeline ...
Page 335
... Vertical and horizontal movements as well as water flow are prevented along the boundaries AB , BC , and CD . No restriction on movement or water flow is imposed along Boundary DA . The flow from the soil into the pipe is prevented by ...
... Vertical and horizontal movements as well as water flow are prevented along the boundaries AB , BC , and CD . No restriction on movement or water flow is imposed along Boundary DA . The flow from the soil into the pipe is prevented by ...
Contents
TROLL PIPELINE PROJECT | 1 |
SAFETY | 3 |
VOLUME IB OFFSHORE TECHNOLOGY | 4 |
Copyright | |
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analysis applied Arctic Engineering ASME assessment axial bending borehole buckling buckling length calculated Castorano configuration construction corrosion curve defects Det Norske Veritas diameter displacement dynamic effect factor failure Fensfjorden Figure fjord flexible pipe flow free span friction GTAW hoop stress horizontal impact installation interaction intervention J-lay Kollsnes landfall lateral counteracts laybarge laying length limit load martensitic material maximum Mechanics and Arctic meter Mongstad movement Norske Shell Norwegian Norwegian Trench Offshore Mechanics offshore pipelines operation parameters performed pipe material pipelay pipeline route Pipeline Technology post-lay pre-lay prebent section pressure pull-in riser rock safety seabed seismic shear strength slope soil spool stability Statoil steel stinger strain strength subsea survey temperature tension trawl board trench Troll Oil Pipeline Troll Phase tunnel vertical vessel wall thickness water depth weight welding yield strength Zeepipe