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The 1865 Annual Report of the President and Directors of the Louisville and Nashville Railroad Company lists 29 Fink Truss bridges out of a total of 66 bridges on the railroad. The first Fink Truss bridge was built by the Baltimore and Ohio Railroad in 1852 to span the Monongahela River at Fairmont, Virginia (now West Virginia). It consisted of ...
This is a diagram of the parts of a truss bridge. Date: 13 August 2021: Source: self-made, Trusses: A Study by the Historical American Engineering Record by the Historical American Engineering Record was used as a reference. The HAER is part of the US governments and so the source is a public domain record. Author: PennySpender1983: Permission ...
Animation showing the operation of a drawbridge. A drawbridge or draw-bridge is a type of moveable bridge typically at the entrance to a castle or tower surrounded by a moat.In some forms of English, including American English, the word drawbridge commonly refers to all types of moveable bridges, such as bascule bridges, vertical-lift bridges and swing bridges, but this article concerns the ...
The term "covered bridge" is sometimes used broadly to describe any "bridge-like structure" that is covered by a roof. However, bridge-like structures such as Heilig-Geist-Spital, a hospital built out over two arched spans into the Pegnitz river in Nuremberg, but which did not ever provide a complete crossing to the other side, are not included ...
The design principle behind the Burr arch truss is that the arch should be capable of bearing the entire load on the bridge while the truss keeps the bridge rigid. Even though the kingpost truss alone is capable of bearing a load, this was done because it is impossible to evenly balance a dynamic load crossing the bridge between the two parts. [5]
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The king post is the central, vertical member of the truss. Crown posts in the nave roof at Old Romney church, Kent, England. A king post (or king-post or kingpost) is a central vertical post used in architectural or bridge designs, working in tension to support a beam below from a truss apex above (whereas a crown post, though visually similar, supports items above from the beam below).