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发表于 2013-3-12 16:46
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来自: 中国上海
本帖最后由 chenxy 于 2013-3-12 16:47 编辑
参见如下ABS RULES FOR YOUR REFERENCE.
Taking into account, as initial conditions before flooding, the standard loading conditions as referred
to in 5-10-A1/7 and the damage assumptions in 5-10-A2/3, the vessel is to comply with the damage
stability criteria as specified in 5-10-A2/5.
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The following damage assumptions are to be applied:
i) Damage is to be assumed to occur anywhere in the vessel’s length between transverse
watertight bulkheads.
ii) The vertical extent of damage is to be assumed from the underside of the cargo deck, or the
continuation thereof, for the full depth of the vessel.
iii) The transverse extent of damage is to be assumed as 760 mm (30 in.), measured inboard from
the side of the vessel perpendicularly to the centerline at the level of the summer load waterline.
Note: 1. A transverse watertight bulkhead extending from the vessel’s side to a distance inboard of 760 mm (30 in.) or
more at the level of the summer load line joining longitudinal watertight bulkheads is to be considered as a
transverse watertight bulkhead for the purpose of the damage calculations.
2. If pipes, ducts or tunnels are situated within the assumed extent of damage, arrangements are to be made to
ensure that progressive flooding cannot thereby extend to compartments other than those assumed to be
floodable for each case of damage.
3. If damage of a lesser extent than that specified in 5-10-A2/3i), 5-10-A2/3ii) and 5-10-A2/3iii) results in a
more severe condition, such lesser extent is to be assumed.
4. Where a transverse watertight bulkhead is located within the transverse extent of assumed damage and is
stepped in way of a double bottom or side tank by more than 3.05 m (10 ft), the double bottom or side tanks
adjacent to the stepped portion of the transverse watertight bulkhead is to be considered as flooded
simultaneously.
5. For a vessel exclusively operating for well stimulation service, assumed damage occurs anywhere in the vessel’s
length at any transverse watertight bulkhead. |
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