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Bridge | History, Design, Types, Parts, & Facts | Britannica
2024年12月23日 · Bridge, structure that spans horizontally between supports, whose function is to carry vertical loads. Generally speaking, bridges can be divided into two categories: …
Bridge - Truss Design, Construction, Types | Britannica
2024年12月23日 · Bridge - Truss Design, Construction, Types: A single-span truss bridge is like a simply supported beam because it carries vertical loads by bending. Bending leads to …
Suspension bridge | Definition, Mechanics, History, Examples,
6 天之前 · Suspension bridge, bridge with overhead cables supporting its roadway. Modern suspension bridges are light and aesthetically pleasing and can span longer distances than …
Truss bridge | Definition, History, & Uses | Britannica
truss bridge, bridge with its load-bearing structures composed of a series of wooden or metal triangles, known as trusses. Given that a triangle cannot be distorted by stress, a truss gives a …
bridge summary | Britannica
bridge, Structure that spans horizontally to allow pedestrians and vehicles to cross a void. The simplest bridge is the beam (or girder) bridge, consisting of straight, rigid beams of wood, …
Arch bridge | Definition, Mechanics, Examples, History, & Facts ...
Arch bridge, bridge in which the main supporting elements are arches. Arch bridges can be made of stone, concrete, iron, or steel and typically require less material than a beam bridge of the …
bridge - Kids | Britannica Kids | Homework Help
A bridge is a structure that allows people and vehicles to cross over an open space. Bridges span, or stretch across, deep pits in the earth, bodies of water, and roads . Types of Bridges
Bridge - Cantilever, Design, Construction | Britannica
2024年12月23日 · Bridge - Cantilever, Design, Construction: Like suspension bridges, steel cantilever bridges generally carry heavy loads over water, so their construction begins with the …
Bridge - Live Load, Dead Load, Structural Design | Britannica
2024年12月23日 · Bridge - Live Load, Dead Load, Structural Design: The primary function of a bridge is to carry traffic loads: heavy trucks, cars, and trains. Engineers must estimate the …
Bridge - U.S. Designs, Construction, Types | Britannica
2024年12月23日 · One of the major structures is the Ikuchi cable-stayed bridge, with a main span of 490 metres (1,610 feet). The two towers of the Ikuchi Bridge are delta-shaped, with two …