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Flitch beam. A flitch beam (or flitched beam) is a compound beam used in the construction of houses, decks, and other primarily wood-frame structures. Typically, the flitch beam is made up of a vertical steel plate sandwiched between two wood beams, the three layers being held together with bolts. In that common form it is sometimes referenced ...
Construction of the World Trade Center
In practice, most wood stringers are 16 inches (410 mm) in width due to limitations in milling. There are usually six stringers in a bridge. [18] Building the deck for a railroad bridge requires that a stringer lie directly beneath each rail, and that a stringer support each end of the railroad ties. Ties are usually 6 by 8 inches (150 by 200 ...
Truss bridge - Wikipedia ... Truss bridge
Framing (construction)
Railway roundhouse
Technical drawings. A structural drawing, a type of engineering drawing, is a plan or set of plans and details for how a building or other structure will be built. Structural drawings are generally prepared by registered professional engineers, and based on information provided by architectural drawings. The structural drawings are primarily ...
A small turntable at the Orange Empire Railway Museum in Perris, California, US. This type of turntable with the central tower and supporting cables is called a "gallows turntable". A larger turntable with several exits, 1909. In engine maintenance facilities, a turntable was usually surrounded, in part or in whole, by a building known as a ...