Question

three points about cantilever bridge ​

Answer 1

Answer:

cantilever bridge is a bridge built using cantilevers, structures that project horizontally into space, supported on only one end. 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 steel truss cantilever bridge was a major engineering breakthrough when first put into practice, as it can span distances of over 1,500 feet (460 m), and can be more easily constructed at difficult crossings by virtue of using little or no falsework.

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Answer 2

Answer:

A cantilever bridge is a bridge built using a cantilever. A cantilever is only supported on one end. For small footbridges, the cantilevers may be simple beams. For large cantilever bridges, designed for road or rail traffic the cantilevers are trusses built from structural steel, or box girders built from prestressed concrete. The steel truss cantilever bridge was a major engineering breakthrough when it was first used, because it can span distances of over 1,500 feet (460 m). They can be more easily built at difficult crossings as they do not need to be supported during the construction.

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