Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 5American Society of Mechanical Engineers, 1993 - Arctic regions |
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Page 68
... lowering as tunnel and leeside erosion , for example Bryndum et al . ( 1991 ) . the in Soil and environmental conditions , pipe diameter and the submerged weight significantly affect time scale for the lowering of the pipeline , see ...
... lowering as tunnel and leeside erosion , for example Bryndum et al . ( 1991 ) . the in Soil and environmental conditions , pipe diameter and the submerged weight significantly affect time scale for the lowering of the pipeline , see ...
Page 69
... lowering is based on development of scour induced free spans as the early stage of the lowering process . The model is based on the following : The basic principle is the balance between the bed load within the scour hole and the bed ...
... lowering is based on development of scour induced free spans as the early stage of the lowering process . The model is based on the following : The basic principle is the balance between the bed load within the scour hole and the bed ...
Page 78
... lowering observed . the Within the third section ( KP 563 to KP 613 ) , self- lowering was expected to Occur . At the design stage particular priority was given to the concept of early development of Scour induced free spans followed by ...
... lowering observed . the Within the third section ( KP 563 to KP 613 ) , self- lowering was expected to Occur . At the design stage particular priority was given to the concept of early development of Scour induced free spans followed by ...
Contents
OFFSHORE | 1 |
Mechanical Properties of | 22 |
Ice Engineering | 80 |
Copyright | |
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Almen strip anticorrosion coating applied assessment axial force backfill behaviour bending Bruschi buckle buckle lengths burst pressure calculated cathodic protection circumferential coefficients compression concrete coating configuration crack propagation criteria curvature deformation depth developed diameter directional drill disbonded displacement ditch effect Engineering equations factor failure fatigue field joints flow fracture free spans gas pipeline grit blasting hoop stress hydrodynamic increase installation interaction layer length load longitudinal material maximum measured mechanical metal loss monitoring NACE niobium Offshore operating OTDR overcoating parameters pile pipeline pits plastic Polypropylene predicted resistance response sand scour seabed self-lowering sensor settlement shear shear strength shown in Figure simulated Snamprogetti soil solution specimens Statoil steel stiffness strain strain gauges strength stress stress concentration structural surface temperature thickness TMCP uneven seabed values velocity wave weld Zeepipe zone