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1. A post or pair of posts mounted on the ship's bow for fastening ropes or cables. 2. A strong vertical timber or iron fastened through the deck beams that is used for securing ropes or hawsers. [2] bitt heads The tops of two massive timbers that support the windlass on a sailing barge. [2] bitter end The last part or loose end of a rope or cable.
May be on the keel or on the deck in smaller craft. A deck-stepped mast may be supported by a column below the deck. Mizzen: the aftmost mast and sail in a yawl or ketch, or in a vessel with three or more masts. Oar a wooden pole enlarged on one end to resist the water when pulled. Painter: a short line at the bow of a small boat for tying it off.
Gusset plates are usually square or rectangular, but can be triangular or made into a customized shape to fit the joint. The shape of each plate is designed so that welding or bolts can be applied to different edges of the plate. [2] A gusset plate can form the entire connection or it can be used in conjunction with bolts or welds. [2]
In a plate girder bridge, the plate girders are typically I-beams made up from separate structural steel plates (rather than rolled as a single cross-section), which are welded or, in older bridges, bolted or riveted together to form the vertical web and horizontal flanges of the beam. In some cases, the plate girders may be formed in a Z-shape ...
An orthotropic bridge or orthotropic deck is typically one whose fabricated deck consists of a structural steel deck plate stiffened either longitudinally with ribs or transversely, or in both directions. This allows the fabricated deck both to directly bear vehicular loads and to contribute to the bridge structure's overall load-bearing behaviour.
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