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 67
... stability , Scour induced free spans and the potential for self - lowering . In this paper the approach to self - lowering is discussed , in particular : old and new ideas for the description of the self - lowering process ; design ...
... stability , Scour induced free spans and the potential for self - lowering . In this paper the approach to self - lowering is discussed , in particular : old and new ideas for the description of the self - lowering process ; design ...
Page 103
... stability to the exposed line during the early stage of construction , could be subject to exposure in the long run ... stability criteria for pipelines resting on sandy erodible seabeds is still an open problem despite all efforts made ...
... stability to the exposed line during the early stage of construction , could be subject to exposure in the long run ... stability criteria for pipelines resting on sandy erodible seabeds is still an open problem despite all efforts made ...
Page 106
... stability design with no considerations to scour effects . The theoretical on - bottom stability has been in- vestigated , using traditional methods for calculating hydrodynamic forces and soil resistance . The ratio be- tween the ...
... stability design with no considerations to scour effects . The theoretical on - bottom stability has been in- vestigated , using traditional methods for calculating hydrodynamic forces and soil resistance . The ratio be- tween the ...
Contents
OFFSHORE | 1 |
OFFSHORE MECHANICS AND ARCTIC ENGINEERING | 28 |
OFFSHORE TECHNOLOGY | 56 |
Copyright | |
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addition allowable analysis applied approximately areas assessment associated assumed bending buckle calculated carried coating concrete considered construction corrosion crack criteria curvature deformation depth described determined developed diameter direction displacement distribution effect Engineering environment equations expected experiment factor failure field Figure flow force free spans increase initial installation interaction internal joint length limit load longitudinal lower material maximum measured mechanical method movement observed obtained occur Offshore operating parameters performed pile pipe pipeline pits plastic position predicted present pressure problem produced Quality range reduced relative resistance respectively response sand scour seabed shear shown shows significant simulated soil solution specimens stability steel stiffness strain strength stress structural subjected surface Table Technology temperature thickness values wall wave weld yield zone