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Stresses and constraints on ship structure
Static stresses and constraints These stresses are measured when the ship is not under way.…
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Types of construction
Transverse framing Transverse framing is used primarily for ships less than 120 metres in length.…
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Longitudinal framing, deck and shell
Deck girders: These are longitudinal members that combine with the beams to form the longitudinal…
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Definitions of hull elements
Keel: The keel is a member, or series of members, running longitudinally that forms the…
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Longitudinal framing
Longitudinal framing (also called the Isherwood system after British naval architect Sir Joseph Isherwood, who patented it in 1906) is a method…
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Double Bottom
All sea going ships are double bottomed. In such a structural arrangement, a tank top…
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Single Bottom
Usually all smaller ships are single bottomed, as they do not need a double bottom to…
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Ship’s Bottom Structure
One of the most integral parts of the ship is its bottom structure. It is designed…
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Weld Defects and Weld Quality Testing
Every weld joint is inspected by a team of trained inspectors for weld defects. Welding…
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Welding Practices in the Shipbuilding Industry
Multiple Passes: When plates of high thicknesses are welded (usually more than 5 to 6 mm),…