Iron tower with a height of 324 meters, is located in Paris, in the far north-west of the park Champ-de-March, near the Seine River. Created by Gustave Eiffel and his collaborators on the occasion of the International Exhibition of Paris in 1889, and was named tower 300 meters at the opening, this origin became the French capital code, which is the first tourist site: It represents the ninth most visited in the 2006 French site, which is also the first teacher in terms of the number of visitors ; where the number of visitors reached 6.893 million visitors in 2007. taller, which is 313.2 meters, the Eiffel Tower remained for 41 years the teacher highest in the world. Height has been increased several times installs many antennas, to a height of 327 meters since March 8, 2011. used in the past in many scientific experiments, and used today in the broadcast radio and television programs.
Design and Construction
Construction work began on January 26, 1887, and lasted for 26 months with the participation of nearly 50 engineers and 300 workers; where they were in the first five months building foundations while building the twenty tower took the following months, ending all business March 31, 1889. The tower opened officially in the May 6, 1889.
The period of 1887-1889 was building a record which, given the tools available in that era and compared with the extent of precision and magnitude that characterized this building.
Tower consists of 18 038 pieces of iron and 2.5 million total nail and weighs 10,100 tons, where based on four pillars composed between base dimensions of 125 * 125 meters, with an area of 15 625 square meters
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