1	Bridges Done by mohammed alsgaf Abdulaziz al toukhi
2	Types of bridges Arch bridge Beam bridge Suspension bridge Cable-stayed bridge
3	Arch bridge Old type of bridges Very strong
4	Beam bridges The simplest type Inexpensive type It consists of a beam and piers
5	Suspension cable bridges light, and strong can span distances from 2,000 to 7000 ft The longest type of bridges Most expensive
6	Cable-stayed bridges similar to suspensions bridges The difference lies in how the cables are connected to the tower
7	History ofOresund Bridge In 1991 the Denmark and Swedish governments agreed to build a bridge to connect the two countries and they started it in 1994 At 6 am on August 14, 1999 the final section of the Oresund bridge was placed in position The project opened to traffic during the summer of 2000.
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9	General info. Of Oresund bridge It is a cable stayed building 16 km long Connects the danish capital of Copenhagen with the swedish city of Malmö 204 m tower Its weight is 82 million kg cost some $ 2.5 billion and took five years to complete more than 4,500 people were working in the sight
10	"A tunnel connects Copenhagen to..." A tunnel connects Copenhagen to the artificial island, where the bridge begins rail and road tunnel, four kilometres in length, plunges beneath the earth. the tunnel contains two tracks for trains, a four-lane highway for cars and several escape routes
11	construction 20 massive block for the tunnel Bigest level ysed to carry blocks Blocks and beams wear already designed They used artificial ice land called Peberholm
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13	"http://www.ittbuildingtrades.com/casestories/case_38%20copy.PDF" http://www.ittbuildingtrades.com/casestories/case_38%20copy.PDF http://bridgepros.com/projects/Oresund%20Bridge/ http://www.pbs.org/wgbh/nova/bridge/build.html http://www.answers.com/main/ntquery;jsessionid=40rvlksb4c0gs?method=4&dsid=2222&dekey=Oresund+Bridge&gwp=8&curtab=2222_1&sbid=lc03a