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- Double_bottom abstract "A double bottom is a ship hull design and construction method where the bottom of the ship has two complete layers of watertight hull surface: one outer layer forming the normal hull of the ship, and a second inner hull which is somewhat higher in the ship, perhaps a few feet, which forms a redundant barrier to seawater in case the outer hull is damaged and leaks.The space in between the two bottoms is often used as storage tanks for fuel or ballast water, though fuel storage in the double bottom is not allowed for newbuilt ships since 2007, due to MARPOL 73/78.Double bottoms are significantly safer than single bottoms. In case of grounding or other underwater damage, most of the time the damage is limited to flooding the bottom compartment, and the main occupied areas of the ship remain intact.For this reason, double bottoms have been required in all passenger ships for decades as part of the Safety Of Life At Sea or SOLAS Convention.An even more extensive protection is available as a double hull, where the second hull layer extends up the sides of the ship as well as in the bottom.A double bottom also conveniently forms a stiff and strong girder or beam structure with the two hull plating layers as upper and lower plates for a composite beam. This greatly strengthens the hull in secondary hull bending and strength, and to some degree in primary hull bending and strength.Some of the advantages of double bottom in ships are: provide protection to hull in case of grounding provide great longitudinal strength can be used as tanks to carry oil, ballast water or fresh water (ventilated by a Gooseneck ) helps to prevent pollution in case of liquid cargo (like oil in tankers) helps to maintain stability of ship the tank top acts as a platform for machinery and cargo".
- Double_bottom thumbnail DoubleBottomDoubleHull.png?width=300.
- Double_bottom wikiPageID "2397315".
- Double_bottom wikiPageLength "2370".
- Double_bottom wikiPageOutDegree "15".
- Double_bottom wikiPageRevisionID "706989522".
- Double_bottom wikiPageWikiLink Beam_(structure).
- Double_bottom wikiPageWikiLink Bulkhead_(partition).
- Double_bottom wikiPageWikiLink Category:Sailing_ship_components.
- Double_bottom wikiPageWikiLink Category:Shipbuilding.
- Double_bottom wikiPageWikiLink Double-hulled_tanker.
- Double_bottom wikiPageWikiLink Double_hull.
- Double_bottom wikiPageWikiLink Girder.
- Double_bottom wikiPageWikiLink Gooseneck_(piping).
- Double_bottom wikiPageWikiLink Hull_(watercraft).
- Double_bottom wikiPageWikiLink 78.
- Double_bottom wikiPageWikiLink SOLAS_Convention.
- Double_bottom wikiPageWikiLink Ship.
- Double_bottom wikiPageWikiLink Strength_of_ships.
- Double_bottom wikiPageWikiLink File:DoubleBottomDoubleHull.png.
- Double_bottom wikiPageWikiLinkText "Double bottom".
- Double_bottom wikiPageWikiLinkText "double bottom".
- Double_bottom wikiPageWikiLinkText "double steel bottom".
- Double_bottom wikiPageWikiLinkText "double-bottom".
- Double_bottom wikiPageWikiLinkText "inner bottom".
- Double_bottom wikiPageWikiLinkText "triple bottom".
- Double_bottom subject Category:Sailing_ship_components.
- Double_bottom subject Category:Shipbuilding.
- Double_bottom hypernym Design.
- Double_bottom type Ship.
- Double_bottom type Component.
- Double_bottom type Ship.
- Double_bottom comment "A double bottom is a ship hull design and construction method where the bottom of the ship has two complete layers of watertight hull surface: one outer layer forming the normal hull of the ship, and a second inner hull which is somewhat higher in the ship, perhaps a few feet, which forms a redundant barrier to seawater in case the outer hull is damaged and leaks.The space in between the two bottoms is often used as storage tanks for fuel or ballast water, though fuel storage in the double bottom is not allowed for newbuilt ships since 2007, due to MARPOL 73/78.Double bottoms are significantly safer than single bottoms. ".
- Double_bottom label "Double bottom".
- Double_bottom sameAs Q4171330.
- Double_bottom sameAs Двойно_дъно.
- Double_bottom sameAs Διπύθμενα.
- Double_bottom sameAs Dubbele_bodem_(schip).
- Double_bottom sameAs Dno_podwójne.
- Double_bottom sameAs m.0796tp.
- Double_bottom sameAs Двойное_дно.
- Double_bottom sameAs Dubbelbotten.
- Double_bottom sameAs Q4171330.
- Double_bottom wasDerivedFrom Double_bottom?oldid=706989522.
- Double_bottom depiction DoubleBottomDoubleHull.png.
- Double_bottom isPrimaryTopicOf Double_bottom.