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In the 2009 film, this was replaced by the real-world Millennium Bridge, London. [201] X-Men: The Last Stand (2006 film): The Golden Gate Bridge is rerouted by mutants to create a path to Alcatraz Island. [202] Monsters vs. Aliens (2009 film): The Golden Gate Bridge is destroyed by a giant robot; Ginormica is able to save all of the commuters ...
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.
The middle example is created by an extension of a simple supported beam (such as the way a diving board is anchored and extends over the edge of a swimming pool). The bottom example is created by adding a Robin boundary condition to the beam element, which essentially adds an elastic spring to the end board. The top and bottom example may be ...
Some cantilever bridges also have a smaller beam connecting the two cantilevers, for extra strength. The largest cantilever bridge is the 549-metre (1,801 ft) Quebec Bridge in Quebec, Canada. Arch bridge: Arch bridges have abutments at each end. The weight of the bridge is thrust into the abutments at either side.
Another important class of problems involves cantilever beams. The bending moments ( M {\displaystyle M} ), shear forces ( Q {\displaystyle Q} ), and deflections ( w {\displaystyle w} ) for a cantilever beam subjected to a point load at the free end and a uniformly distributed load are given in the table below.
Examples include a 50-foot (15 m) long iron Howe truss was built for the Boston and Providence Railroad [2] [30] and a 30-foot (9.1 m) long railroad bridge over the Ohio and Erie Canal in Cleveland. [31] [32] Iron, however, was the preferred bridge for automobile and railroads, and the Howe truss did not adapt well to all-iron construction. [1]
Candy canes are a peppermint treat long associated with Christmas. Learn their history, including why they were first made with red and white stripes.
Long Biên Bridge - 106 metres (348 ft) cantilever span; Marquam Bridge; Million Dollar Bridge; Newburgh-Beacon Bridge - 2,204 feet (672 m) cantilever span; Pamban Bridge; Pulaski Skyway; Quebec Bridge - 549 metres (1,801 ft) cantilever span; Queensboro Bridge; Rainbow Bridge (Texas) - 680 feet (210 m) main span; Richmond–San Rafael Bridge