Double hull - Wikipedia
A double hull is a ship hull design and construction method where the bottom and sides of the ship have two complete layers of watertight hull surface: one outer layer forming the normal hull of the ship, and a second inner hull which is some distance inboard, typically by a few feet, which forms a redundant barrier to seawater in case the ...
Designing A Ship’s Bottom Structure – A General Overview
2021年7月13日 · The space within the double bottom (that is, between the tank top, and outer bottom shell) is used up for carrying ballast, fuel oil, dirty oil, freshwater, and other consumables. One of the most important factors in designing a double bottom of a ship is deciding the height of the double bottom.
ARRANGEMENT OF DOUBLE BOTTOM & FRAMING IN MACHINERY SPACE
2015年12月14日 · The substantial double bottom structure under the main machinery provides an ideal foundation for the thrust block and is the reason for seating the thrust block close to the engine.
Bilge keels, Double bottom Tanks, Peak tanks, Wing Tanks and ...
Double bottom tanks: 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, which forms a redundant barrier to seawater in case the outer hull ...
Regulation 9 - Double bottoms in passenger ships and cargo ...
1 A double bottom shall be fitted extending from the collision bulkhead to the afterpeak bulkhead, as far as this is practicable and compatible with the design and proper working of the ship.
Section 8 Double bottom structure - IMORULES
For a cargo ship of 80 m in length and upwards or for a passenger ship, proof of equivalent protection is to be shown by demonstrating that the ship is capable of withstanding bottom damages as specified in paragraph 8 of SOLAS Chapter II-1 Regulation 9 - Double bottoms in passenger ships and cargo ships other than tankers.
Section 8 Double bottom structure - IMORULES
Single skin construction, or double skin construction where any part of the longitudinal bulkhead is located within B/5 or 11,5 m, whichever is less, inboard from the ship’s side at right angles to the centreline at the assigned summer load line. Length, L, of 150 m or above.
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