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A swing bridge (or swing span bridge) is a movable bridge that can be rotated horizontally around a vertical axis. It has as its primary structural support a vertical locating pin and support ring, usually at or near to its center of gravity, about which the swing span (turning span) can then pivot horizontally as shown in the animated illustration to the right.
The bridge may be stiffened by the addition of cables that do not bear the primary structural or live loads and so may be relatively light. These also add stability in wind. An example is the 220-meter-long (720 ft) bridge across the river Drac at Lac de Monteynard-Avignonet: this bridge has stabilizing cables below and to the side of the deck.
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A moveable bridge, or movable bridge, is a bridge that moves to allow passage for boats [1] or barges. [2] In American English, the term is synonymous with drawbridge , and the latter is the common term, but drawbridge can be limited to the narrower, historical definition used in some other forms of English, in which drawbridge refers to only a ...
The Media City Footbridge is a swing-mechanism footbridge over the Manchester Ship Canal near MediaCityUK. It is an asymmetric cable-stayed swing bridge and was completed in 2011. [1] It was designed by Gifford (now part of Ramboll) and WilkinsonEyre. [2] The pedestrian bridge links MediaCityUK with the Imperial War Museum North on Trafford ...
The bridge (2003) The bridge consisted of four fixed spans, one swing span and a fifth swing span, and carried a double-track railway. [5] [note 1]Pier foundations for the bridge spans were of 7 ft (2.1 m) base diameter cast iron cylinders, which tapered to 5.5 ft (1.7 m) diameter at the high water level, each column was around 90 ft (27 m) long. [6]
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