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poniedziałek, 27 lutego 2012
The Symbol Of Paris
I think you know what I am writing about:
Of course about Eiffel Tower!
Eiffel Tower is the best known architectural object in Paris.
It was built in 1889 year for World's Fair.
It had to:
Of course about Eiffel Tower!
Eiffel Tower is the best known architectural object in Paris.
It was built in 1889 year for World's Fair.
It had to:
- demonstrate the level of engineering knowledge and technical capabilities of the era
- be a symbol of economic, technical and scientific power of France in that tme
After 20 years the tower was supposed to be taken down. It's designer decided to allocate the Tower to science. He created there the aerodynamic and meteorological laboratory. Succesfull experiments with located at the top wireless telegraph saved the tower. Now, the Eiffel Tower is the most popular tourist attraction in Paris. About 200 million people visited it.
Time for some numbers!
- 1889 year - 312.27 m (height of fitted on top of the flag)
- 1991 year - 317.96 m (height with fitted antenna)
- 1994 year – 318,70 m (height with fitted antenna)
- 2000 year – 324,00 m (height with fitted antenna) - about 81 floor in normal building
The height of the tower depends of the temperature. It changes about 18cm. Because of the wind, the Tower sways at 6-7cm. All construction consists of 18 038 metal parts and about 2.5 million rivets. It's total weight (with concrete pillars) is about 10.000 tones.
The construction is supported on four concrete pillars of side 25 m each. At the height 57m, 115m and 275m are viewing terraces. The tower covers an area about 15 625 square meters. If you want to go at the top floor, you should go 1665 staircase.
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