Eiffel Tower
Eiffel Tower – Paris, France
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Why is the Eiffel Tower so attractive?
1. Constructed in 1889, the Eiffel Tower is one of the most famous structures in the world.
2. It’s named after the engineer Gustave Eiffel and it was built as the entrance arch for the World Expo of 1889.
3. The tower is 324 meters high, approximately as an 81 story building. Today, the tower attracts millions of visitors every year.
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Why is the Eiffel Tower famous?
- The Eiffel Tower, La Tour Eiffel in French, was the main exhibit of the Paris Exposition — or World's Fair — of 1889.
- It was constructed to commemorate the centennial of the French Revolution and to demonstrate France's industrial prowess to the world.
The Design of the Eiffel Tower:
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| Plan of Eiffel Tower |
1) The plan to build a tower 300 meters high was conceived as part of preparations for the World's Fair of 1889.
2) The wager was to "study the possibility of erecting an iron tower on the Champ-de-Mars with a square base, 125 meters across and 300 meters tall".
3) Selected from among 107 projects, it was that of Gustave Eiffel, an entrepreneur, Maurice Koechlin, and Emile Nouguier, both engineers, and Stephen Sauvestre, an architect, that was accepted.
4) Emile Nouguier and Maurice Koechlin, the two chief engineers in Eiffel's company, had the idea for a very tall tower in June 1884.
5) It was to be designed like a large pylon with four columns of latticework girders, separated at the base, and coming together at the top and joined to each other by more metal girders at regular intervals.
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6) The tower project was a bold extension of this principle up to a height of 300 meters - equivalent to the symbolic figure of 1000 feet.
7) On September 18 1884 Eiffel registered a patent "for a new configuration allowing the construction of metal supports and pylons capable of exceeding a height of 300 meters".
Key Points:
Design:
1. 18,038 metallic parts
2. 5,300 workshop designs
3. 50 engineers and designers.
Construction:
1. 150 workers in the Levallois-Perret factory
2. Between 150 and 300 workers on the construction site
3. 2,500,000 rivets
4. 7,300 tonnes of iron
5. 60 tonnes of paint
6. 5 lifts.
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Duration: 2 years, 2 months, and 5 days of construction.
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Architect: Stephen Sauvestre.
Structural engineer: Maurice Koechlin, Émile Nouguier.
Main contractor: Compagnie des, Etablissements Eiffel.
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❤Thank you❤
Writer: Pankaj Sonwane
Bibliography:
1) Photos and figures from google photos.
2) Information from books.
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