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Structural Elements of a Ship's Hull. This diagram shows the key structural elements of a ship's main hull (excluding the bow, stern, and deckhouse). Deck plating (a.k.a. Main Deck, Weatherdeck or Strength Deck) Transverse bulkhead; Inner bottom shell plating; Hull bottom shell plating; Transverse frame (1 of 2) Keel frame
The light hull (casing in British usage) of a submarine is the outer non-watertight hull which provides a hydrodynamically efficient shape. The pressure hull is the inner hull of a submarine that maintains structural integrity with the difference between outside and inside pressure at depth.
A hull is the watertight body of a ship, boat, submarine, or flying boat. The hull may open at the top (such as a dinghy), or it may be fully or partially covered with a deck. Atop the deck may be a deckhouse and other superstructures, such as a funnel, derrick, or mast. The line where the hull meets the water surface is called the waterline.
Either used in sheet or alternatively, plate [14] for all-metal hulls or for isolated structural members. It is strong, but heavy (despite the fact that the thickness of the hull can be less). It is generally about 30% heavier than aluminium and somewhat more heavy than polyester. The material rusts unless protected from water (this is usually ...
In shipbuilding, the scantling refers to the collective dimensions of the framing [1] (apart from the keel) to which planks or plates are attached to form the hull. [2] The word is most often used in the plural to describe how much structural strength in the form of girders, I-beams, etc., is in a given section.
Permit class USS Plunger on the building ways at Mare Island. HY-80 is a high-tensile, high yield strength, low alloy steel.It was developed for use in naval applications, specifically the development of pressure hulls for the US nuclear submarine program and is still currently used in many naval applications.
Ships operating in first-year winter ice with pressure ridges could be assigned class notation ICE-05, -10, or -15 where the number indicated nominal ice thickness used for structural design; for example, 0.5 metres (20 in) for ICE-05.
For each region, a design ice load is calculated based on the dimensions, hull geometry, and ice class of the vessel. This ice load is then used to determine the scantlings and steel grades of structural elements such as shell plating and frames in each location. The design scenario used to determine the ice loads is a glancing collision with a ...