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A cantilever spar cable-stayed bridge is a modern variation of the cable-stayed bridge. This design has been pioneered by the structural engineer Santiago Calatrava in 1992 with the Puente del Alamillo in Seville, Spain.
A cantilever bridge is a bridge built using structures that project horizontally into space, supported on only one end (called cantilevers).For small footbridges, the cantilevers may be simple beams; however, large cantilever bridges designed to handle road or rail traffic use trusses built from structural steel, or box girders built from prestressed concrete.
A simple suspension bridge (also rope bridge, swing bridge (in New Zealand), suspended bridge, hanging bridge and catenary bridge) is a primitive type of bridge in which the deck of the bridge lies on two parallel load-bearing cables that are anchored at either end.
Tokyo Gate Bridge (東京ゲートブリッジ, Tōkyō Gēto Burijji) is a truss cantilever bridge across Tokyo Bay in Kōtō, Tokyo, Japan. It opened on 12 February 2012 [ 1 ] [ 2 ] with an estimated total construction cost of ¥113,000,000,000 (equivalent to ¥119,120,400,000 in 2019) for the Stage II section of highway including the bridge.
At the time of its demolition, the bridge was the oldest cantilever bridge in the United States still in use as well as the oldest Scherzer Rolling Lift under the supervision of the Massachusetts Department of Public Works. Streetcar tracks originally ran across the bridge. [1] This bridge closed for several months for repairs on 15 December 2008.
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The rolling lift trunnion (sometimes a "Scherzer" rolling lift), raises the span by rolling on a track resembling a rocking-chair base. The "Scherzer" rolling lift is a refinement patented in 1893 by American engineer William Donald Scherzer. [3] The rarer Rall type combines rolling lift with longitudinal motion on trunnions when opening. [4]
The short pylon seen below and beyond the cantilever spar is the resting place when the bridge is open. The ship beyond is the museum ship Presidente Sarmiento.. Designed by the Spanish architect and structural engineer Santiago Calatrava on a plan very similar to a 251-metre bridge over the Guadalquivir River in Seville, Spain (1992) and a 213-metre bridge over the Sacramento River in Redding ...