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 MECHANICS AND ARCTIC ENGINEERING | 28 |
Fire and Pollution Safety | 36 |
Probabilistic Response Modelling | 56 |
Copyright | |
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Alberta Almen strip anticorrosion coating applied assessment backfill behaviour bending buckle lengths buckling burst pressure calculated cathodic protection compression concrete configuration cost crack propagation curvature deformation depth developed diameter directional drill disbonded displacement ditch effect Engineering environment equations factor failure FE analysis flow free spans friction gas pipeline grit blasting hoop stress increase installation integrity interaction length liquid load longitudinal material maximum measured mechanical metal loss monitoring NACE niobium offshore OLGA operating OTDR overcoating parameters Permafrost pile pipeline pipeline system pits plane strain plastic polychloroprene Polypropylene predictions Qinghai resistance scour seabed sensor settlement shear shear strength shown in Figure simulated Snamprogetti soil solution specimens steel stiffness strain strain gauges strength stress stress concentration structural surface Table temperature thickness TMCP values velocity wall wave weld Zeepipe zone