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Eiffel tower
The Eiffel Tower is considered one of the Parisian landmarks in France, and it is a distinguished technological masterpiece in the history of architectural construction, and the idea of its establishment is due to a competition held in 1889 AD during the international exhibition to celebrate the centenary of the French Revolution, where the goal of the competition was to obtain the best memorial design, and has been Choosing the model that belongs to Engineer Gustave Eiffel from among a hundred other models, where the idea of Eiffel centered on the creation of the memorial by building a tower about 300 meters (984 feet) long made entirely of wrought iron wrought, which raised eyebrows and surprise by many, There were no exhibitions About the aesthetic foundations of this tower.
Building the Eiffel Tower
The Eiffel Tower is known as a huge wrought iron structure, where Gustav Eiffel resorted to using wrought iron instead of steel because of the high cost that steel was having at that time, however the final cost of constructing the tower was very high estimated at 7,799,401.31 francs French ($ 1.5 million), and the other goal that prompted Gustave Eiffel to create the tower using wrought iron was to prove his ability to manufacture a very strong structure and a lighter weight, as the weight of the tower reached nearly seven thousand tons, and the height is 300 meters without calculating the antenna, where the length reaches The total of the tower with the antenna is approximately 324 m.
The structure consists of the base of the tower, which is a platform that is based on four separate columns, in addition to many other supports, a small platform, and the tower itself, which contains aerials and electrical wires, and the Eiffel Tower was considered the tallest building in the world until the Chrysler Building was built in 1930 AD Then, the length of the Eiffel Tower was increased by an additional 24 meters by adding the antenna to it, as this happened shortly after the opening of the Empire State Building.
Information about the Eiffel Tower
There is a lot of information in circulation about the Eiffel Tower, including:
- Gustave Eiffel used wrought iron in the construction of the tower in order to demonstrate that the same strength could be obtained when using the metal in construction instead of stone, and with a lighter weight for the structure compared to that made of stone.
- Nearly five billion lights have been added to the Eiffel Tower.
- The French worked to neaten the Eiffel Tower in the Iron Lady tower (La Dame de Fer).
- A single lift moves within the Eiffel Tower an estimated distance of one hundred and three thousand kilometers per year.
- The wind affects the tower in a small way compared to the sun, where the sun heats the opposite side of the tower, and the upper part of it moves around an eighteen centimeter distance.
