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A tubular bridge is a bridge built as a rigid box girder section within which the traffic is carried. [26] Examples include the Britannia Bridge and the Conwy Railway Bridge in the United Kingdom. A skyway is a type of urban pedway consisting of an enclosed or covered footbridge between two buildings, designed to protect pedestrians from the ...
The Xiao Bridge, constructed in 1470, has a free height of 7.2 meters with an arch thickness of only 20 centimeters, which is half the thickness of a typical arch. [28] It remains in use today, supporting contemporary traffic. Another noteworthy bridge from this period is the Gao-po Bridge, situated in Yongding and constructed in 1477. It has a ...
A timber bridge or wooden bridge is a bridge that uses timber or wood as its principal structural material. One of the first forms of bridge, those of timber have been used since ancient times. Wooden bridges could be a deck-only structure or a deck with a roof. Wooden bridges were often a single span, but could be of multiple spans.
A structural component made of straight wood or metal members, usually in a triangular pattern, with "pinned" connections at the top and bottom chords and which is used to support structural loads, as those on a floor, roof or bridge. Turret A small tower that projects vertically from the wall of a building such as a medieval castle. Tympanum
The Romans also made bronze roof tiles. Lead was used for roof covering material and water supply and waste pipes. The Latin name for lead is plumbum, thus plumbing. Romans also made use of glass in construction with colored glass in mosaics and clear glass for windows. Glass came to be fairly commonly used in windows of public buildings. [2]
Typically, rows of bricks—called courses— [21] [22] are laid on top of one another to build up a structure such as a brick wall. Bridge – is a structure built to span a physical obstacle, such as a body of water, valley, or road, without closing the way underneath. It is constructed for the purpose of providing passage over the obstacle ...
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An example of a lenticular pony truss bridge that uses regular spans of iron is the Turn-of-River Bridge designed and manufactured by the Berlin Iron Bridge Co. The Pauli truss is a variant of the lenticular truss, "with the top chord carefully shaped so that it has a constant force along the entire length of the truss."