Definition

Noun: A cantilever bridge is a specific type of bridge constructed using two cantilevers—horizontal structures supported at only one end—that project from opposite piers or banks and meet in the middle. This design allows for long spans without the need for temporary supports during construction.

Usage

The term is used to describe and categorize a major engineering structure based on its specific construction principle. * The Forth Bridge in Scotland is a famous example of a cantilever bridge. * Engineers chose a cantilever bridge design to span the deep river gorge. * The new cantilever bridge will connect the two sides of the bay.

Advanced Usage

• In structural engineering, the term is used to discuss load distribution, as the weight on the central span is balanced by the weight and anchorage of the outer sections.
• The design is often contrasted with other bridge types like suspension bridges or arch bridges in terms of materials, cost, and suitable locations.

Variants and Related Words

• Cantilever (noun): A long projecting beam or girder fixed at only one end, used chiefly in bridge and building construction. This is the fundamental structural component.
• Cantilever (verb): To support or project as a cantilever, or to construct using cantilevers.

Synonyms

• There are no direct single-word synonyms for this specific structural type. It can be described as a type of beam bridge or a balanced cantilever structure.

Related Phrases

• Balanced cantilever: A construction method where segments are added symmetrically on both sides of a pier to maintain balance, commonly used to build this type of bridge.
• Anchor arm: The section of the cantilever that extends back from the pier and is anchored to provide stability.
• Suspended span: The central segment that rests on, or is "suspended" between, the ends of the two cantilevers.

Related Terminology

• Pier: The vertical support structure from which the cantilevers project.
• Span: The distance between two supports. A cantilever bridge is designed for long central spans.

Noun

1. bridge constructed of two cantilevers that meet in the middle