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BRIDGES. Brielle . Beam Bridge. A beam bridge is a type of bridge that uses two bases that both ends of the bridge sits on. The beam bridge is horozantal and is made of large box steel girders. . Arch Bridge. An arch bridge uses the arch to push its weight to either side of its base. .
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BRIDGES Brielle
Beam Bridge • A beam bridge is a type of bridge that uses two bases that both ends of the bridge sits on. The beam bridge is horozantal and is made of large box steel girders.
Arch Bridge • An arch bridge uses the arch to push its weight to either side of its base.
Suspension Bridge • Suspension bridges use cables that hang off caissons. Caissons are like large beams stuck deep into the floor of a lake or river.
Truss Bridge • Truss bridges have a solid deck and a lattuss of beams.
Cable- Stayed Bridge • Similar to suspension bridges but are more efficient
TIME LINE- Event # 1 • Pre-history • Nature made simple beam bridges- example of that is a log that falls over a river
TIME LINE- Event # 2 • 19 B.C. • The romans built this bridge.
TIME LINE- Event # 3 • About 100 A.D. • Cantilever bridges were built in China and Tibet out of timber.
TIME LINE- Event # 4 • 200 A.D. (est.) • The Europeans made arch bridges.
TIME LINE- Event # 5 • 1779 A.D. • The worlds first iron bridge was built in England
TIME LINE- Event # 6 • 1870’s • Steel bridges became popular due to the price of steel falling.
TIME LINE- Event # 7 • 1883 A.D. • The Brooklyn Bridge was finished.
TIME LINE- Event # 8 • 1884A.D • Alexandre Gustave Eiffel built a great steel arch bridge that let wind through it, over coming many structula problems.
TIME LINE- Event # 9 • 1890 A.D. • a cantilever bridge was completed. It was designed by Benjamin Baker.
TIME LINE- Event # 10 • 1950's A.D. • A new type of girder called a box-girder was introduced, it made longer spanning bridges possible. It allows air to pass harmlessly around the structure.
Akashi-kaikyo bridge • (longest bridge- it is in japan)
LINKS • Information- • http://en.wikipedia.org/wiki/Bridge#History • http://library.thinkquest.org/J002223/types/types.html • http://library.thinkquest.org/J002223/history/pre1700.html • http://library.thinkquest.org/J002223/history/1800to1900.html • http://library.thinkquest.org/J002223/history/1700to1800.html • Pictures- • http://upload.wikimedia.org/wikipedia/en/c/c 2/Small_footbridge.jpg • http://en.wikipedia.org/wiki/File:Bridge-suspension-nonsimple.svg • http://en.wikipedia.org/wiki/File:Nagasaki_Meganebashi_M5257.jpg • http://en.wikipedia.org/wiki/File:LittleManateeRiver.jpg • http://upload.wikimedia.org/wikipedia/en/e/e2/On_the_Sutong_Bridge_2.jpg
Links cont. • Pictures cont. • http://en.wikipedia.org/wiki/File:Vallorcine_footpath_bridge_2003-12-13.jpg • http://en.wikipedia.org/wiki/File:Salginatobelbruecke_suedost_unten.jpg • http://en.wikipedia.org/wiki/File:Akashi-kaikyo_bridge3.jpg • http://en.wikipedia.org/wiki/Golden_Gate_Bridge • http://en.wikipedia.org/wiki/File:Brooklyn_Bridge_20080501.JPG