Thursday, April 30, 2009

Top World bridges



Millau Bridge crosses the River Tarn in the Massif Central mountains, France is spectacular and the preposterous. Imagine if we are at a height of hundreds of meters in the highest bridge in the world. With a height of more than 300 meters, the bridge "skyscraper" surpass this height of Eiffel Tower. Shaped cable stayed bridge is standing in the beautiful Tarn Valley in the morning which is always covered by the morning dew.

Millau bridge was built by Eiffage, the companies that build the Eiffel Tower, the tower is famous all over the world. Construction began in October 2001 and planned to finish within 3 (three) years but the decline from the time set for the condition of weather and climate changes.

If you want to feel the "walk on the clouds" and see the valley below, you can visit to France menjajal bridge in the world in this. But, of course, is not recommended for those who suffer fear (Fobia) altitude or weak heart. Let's fly in the sky at Millau Bridge!

Sumber :
http://www.digitaljournal.com
http://
hisubash.com/myblog/?p=36

Now turn to make French sensation in the field of construction. But it was not building skyscraper, such as the Petronas towers in Malaysia. But this time, make a sensation with the French terpanjang and highest bridge in the world. The bridge is located not far from Millau City, southwest France.

The bridge, designed by Lord Norman Foster who built berkebangsaan UK in December 2001 and completed in December 2004. And this is a project which is very imposing. Bridges that lie along the 2460 m is divided into 8 Bentang, ie 2 x 204 m and 6 x 342 m and ditopang by 7 pillars that have a height between 78 - 245 m. At the top of the structure, that is for facility rayanya way, have a width 32 m.

It takes about 85,000 kubikmeter casting concrete for the pillars that 7 indeed jumbo. In planning this construction, should consider very kestabilannya, so that the direction and strength of wind and turbulensi is the case, research needs to be done first.

To pengefektifan time, on the construction element (for the path of vehicles) before manufacturing is done. And because the construction of the concrete plate was 10 times more weight, steel is the construction of a more profitable option. Construction of steel plate has a weight of "only" 36,000 tons, and if the elements of the plate this dibentangkan, will be approximately 1000 km long. And in the process of manufacture of steel plate that truly jumbo, the required equipment such as robots pengelas assistance and the process also must be done carefully to a millimeter.


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