martes, 14 de octubre de 2008

La Torre Eiffel

The magnificent structure known as the Eiffel Tower, shaped by supports of iron, was built in France, for the 1889 Paris Exposition. Designers Maurice Keochlin and Emile Nouguier assisted the french structural engineer Alexander Gustave Eiffel.

This massive 984-foot structure, built to celebrate the world's accomplishments in science and engineering, consists of two immense parts; a base composed of a platform resting on four separate supports and, above this a slender tower rising above a second platform to combine into a towering peak.

On March 31, 1889, a small group of dignitaries climbed the 1,792 steps to the top of the Eiffel Tower to hoist a huge French flag at the top. It was once said that the French flag flew on the highest flagpole in the world.

The tower was an enormous hit at the Paris Expo, attracting almost two million visitors in five months alone. During the exposition, visitors had to paid money to ascend up the tower.

First Platform - 2 franc
Second Platform - 3 francs
Top - 5 francs
By the end of the year 1889, seventy-five percent of the total cost to build the tower had been recovered.

For over forty years, Eiffel's creation remained the tallest in the world. The tower was also a European leader in aerodynamics on account of its precisely calculated curves and design. Withstanding weather and competition of the world, the Eiffel Tower still remains one of the most exquisite structures of the world.

Eiffel Tower Birth Certificate
Date of Birth
March 31, 1889
Age 110 years
Engineers Maurice Koekhlin and Emile Nouguier
Architect Stephen Sauvestre
Construction 1887- 1889
Material Puddled Iron
Weight of Metal structure 7,300 tons
Total weight 10,000 tons
Height in 1889 312.27m (with flagpole)
Height in 1994 318.7m (with antenna)
Paint 50 tons every 7 years
Number of Steps 1,665

The Paris Exposition
In the late 1800's, the French began to focus planning for a great Exposition held in Paris. The event was celebrating the centennial of the French Revolution. The planners wanted a special monument that would always be remembered for the celebration of French freedom. Many designs, from all over France were submitted.
Alexandre Gustave Eiffel's design was chosen.
He proposed to build the tallest structure in the world.

On all four sides of the Eiffel tower there are the names of all 72 scientists who contributed in the building. - http:/bilingual-library.blogspot.com

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