Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 4; Volume 8, Part 4American Society of Mechanical Engineers, 1989 - Arctic regions |
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Page 170
... keel , respectively . In first - year ridges the sail and keel are not completely frozen together but at the water level there is a frozen layer as a continuation to the surrounding level ice field . This is called here the " frozen ...
... keel , respectively . In first - year ridges the sail and keel are not completely frozen together but at the water level there is a frozen layer as a continuation to the surrounding level ice field . This is called here the " frozen ...
Page 171
... Keel depth ( m ) 2.9 6.5 4.6 5.1 4.2 Keel width ( m ) 20.0 15.0 24.5 22.7 5.0 Block thickness ( m ) 0.2 0.2 0.2 0.1 0.1 Block size ( m ) 0.9 · 0.7 0.6 · Frozen nucleus ( m ) 0.8 1.0 0.5 0.4 0.4 Level ice ( m ) 0.4 0.5 0.4 0.3 Sail ...
... Keel depth ( m ) 2.9 6.5 4.6 5.1 4.2 Keel width ( m ) 20.0 15.0 24.5 22.7 5.0 Block thickness ( m ) 0.2 0.2 0.2 0.1 0.1 Block size ( m ) 0.9 · 0.7 0.6 · Frozen nucleus ( m ) 0.8 1.0 0.5 0.4 0.4 Level ice ( m ) 0.4 0.5 0.4 0.3 Sail ...
Page 173
The keel parts of first - year ridges are composed of loosely consolidated ice blocks . A ridge keel may be compared with granular material . Thus the shear strength of ridge keel can be considered , with some modifications , as a ...
The keel parts of first - year ridges are composed of loosely consolidated ice blocks . A ridge keel may be compared with granular material . Thus the shear strength of ridge keel can be considered , with some modifications , as a ...
Contents
OFFSHORE MECHANICS | 1 |
The Growth of Radial Cracks in Ice Sheets | 7 |
ICE FORCES | 11 |
Copyright | |
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analysis angle Arctic Engineering assumed Barents Sea Beaufort Sea behaviour berm Bjørnøya calculated coefficient Cole components computed Conference on Offshore constant constitutive equation damage evolution damage model deformation density depth determined diameter distribution dynamic effect energy equation experimental factor failure force fracture mechanics fracture toughness frequency friction function Geogrid grain horizontal ice floe ice load ice sheet ice thickness iceberg icebreaking impact increase indentor initial interaction keel material maximum measured Mechanics and Arctic Mellor microcracks modulus motion notch nucleation observed obtained ocean Offshore Mechanics parameters peak stress plane polycrystalline ice predicted pressure probability Proc radar ratio resistance ridge samples sea ice seabed shear shear stress ship shown in Figure simulation specimen spray ice strain rate strain tensor strength structure surface temperature tensile tensile stress tensor tests uniaxial compression variable vector velocity vertical wave Young's modulus