The lateral oscillation of the tower is a maximum of 7 cm The colossal structure, formed among others, 18,000 pieces of angle profiles, flat irons and special profiles T, had a length of 5 meters and precision manufacture of the tenth of a millimeter, who joined with 2.5 million rivets.Ī third of the entire structure was put together in pre-workshop and the rest, eventually joined as a gigantic mechanism in the work, with the help of about 300 workers.Īccording to the ambient temperature, the top of the Eiffel Tower can zoom in or out of the ground about 18 centimeters, due to thermal expansion of the metal that composes. This ensured from the outset the reliability of the Tower, given that at the time of its construction many Parisians were afraid that he might fall off causing a catastrophe. It is believed that approximately half of the unions with which the structure (by rivet) are made for safety reasons, namely that the tower would remain standing but failed half of the joints between their parts. Each of its four legs resting on eight hydraulic jacks so you can actually consider that the tower is 32 feet. Structureīecause of the proximity of the river and the nature of the subsoil has its foundations in each of its four support, a depth of about thirty meters. But his great and powerful antenna saved from destruction because it was receiving radio waves in Germany, in World War I, which served as a great help to the allies. XX, Parisians showed their displeasure with Torre, who came to the point that the government gave the order for demolition.
The 24 meters last fall to a radio antenna that was added much later. It was expected that the tower reaches 350 meters in height, but the neighbors were alarmed by the threat of a building as tall and built with little stones could fall off, and marched, causing a change in plans. When built, the tower weighs about 7,300 tons, while today it is estimated his weight at more than 10,000 (due to the museum, restaurants, stores and shops that hosts). When the monument was built was highest in the world, with 300 meters high (if the amount of radio antenna that is at its peak, its height is 324 meters). Only the will of the people stopped were broken. They agreed to build the tower, even though in principle they thought that they would have to disassemble once the exhibition. Following the refusal of the council of Barcelona, Eiffel, presented his project to those responsible for the Universal Exhibition in Paris, where he erigiría a year later, in 1889. The French engineer Gustave Eiffel presented his first draft tower to those responsible for the City of Barcelona, to be built in this city on the occasion of the Universal Exposition of Barcelona (1888), but those responsible for the Barcelona city hall had seemed a strange building, And face, it does not fit into the city.
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