Bridges - Information for Kids

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Home > Art Music Cultures > Architecture > Bridges

Bridges Information:

A bridge is an engineered structure built to span a gorge, valley, road, railroad track, river or other body of water, or any other physical obstacle. The first bridges were simple wooden logs or planks spanning a stream or such; the next examples found use stone, but again as a simple support and crossbeam arrangement. The arch was first used by the Roman Empire for bridges, and many Roman bridges and aqueducts still exist today. The Romans also had cement, which reduced the variation of strength found in natural stone. Brick and mortar bridges were built after the Roman era, as the technology for cement was lost.

With the advent of the Industrial Revolution of the 19th century, truss systems of wrought iron were developed for larger bridges, but iron did not have the tensile strength to support large loads. With the advent of steel, with its high tensile strength, much larger bridges were built, many using the ideas of Gustave Eiffel, which were first shown at the Eiffel Tower in Paris France. A bridge is usually either designed for trains, pedestrian or road traffic.

internet resources

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Online Games - Jigsaw puzzle
Several online jigsaw puzzles..
wehmingen.de/englisch/games/

NOVA Online - Beam Bridges
A beam or girder bridge is the simplest and most inexpensive kind of bridge.
pbs.org/wgbh/nova/bridge/meetbeam.html

Welcome to Structurae
This site offers you information on works of structural engineering, architecture or construction through time, history and from around the world
en.structurae.de/

Pictures of Bridges
Bridge Pictures and illustrations
classroomclipart.com/clipart/Architecture/B...

Explore large structures and what it takes to build them

pbs.org/wgbh/buildingbig/

Architecture of the World from Glass Steel and Stone
The Artof Architecture.
glasssteelandstone.com/

NOVA Online - Super Bridge
Information and pictures of cable stayed bridges.
pbs.org/wgbh/nova/bridge/meetcable.html...

About Bridges
Pictures and information about bridges around the world
nireland.com/bridgeman/index.htm

NOVA Online - Suspension Bridge
Pictures and information about Suspension Bridges.
pbs.org/wgbh/nova/bridge/meetsusp.html

Pictures and Illustrations of Bridges
Great source for Pictures and Illustrations of Bridges
classroomclipart.com/clipart/Architecture/B...

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