The topic I am going to write about is The Eiffel Tower in France about its structure, history etc. Because Eiffel Tower is a very significant man-made building at that time(1889) and still the most famous and recognizable tower people could think of in the world nowadays.
1.1 History and background of The Eiffel Tower.
The Eiffel Tower is located in Paris, France, buildt in 1889 and it is 1063 feet tall. The reason of the name of the Eiffel Tower is because it was named after Alexandre Gustave Eiffel, who was a famous civil engineer and architect. The tower was built for the International Exhibition of Paris in memory of the centenary of the French Revolution. It means too much for the french people, it is a sign of freedom and justice, and it has a huge political meaning.
Also during world war 1, The Eiffel Tower was used for communicating, it used as a wireless telegraph transmitter, so french military used the tower to talk wirelessly with ships in the Atlantic Ocean and block enemy messages.
Nowaday, The Eiffel Tower is still broadcasting radio and television signals in Paris, the capital city.
The work digging of the foundation began in 1887 and took 2 years, two months and five days to finish from 0% to 100%, it has been the highest building for 41 years until th e Chrysler Building in New York in 1930. The tower totally used 18000 pieces of iron was specifically designed and accurately calculated of a tenth of a millimeter, the thickness of the iron is only about 6 centimeters, because the expansion and contraction of irons the shape of the Eiffel Tower will slightly change, the iron where close to the sun side will expand so the peak of the tower moved away from the sunshine by 18 centimeters. These 18000 pieces of pudding iron(7,300 tonnes) packaging together and form new shapes of pieces, each of them measures about five metres long.Rivets are everywhere in the tower to make to tower fixed and stand, around 2,500,000 rivets were used in the construction of the Eiffel Tower. Because of the materials has been used to build Eiffel Tower, it has very great wind resistance, only sways 7m (maximum) in the wind.
The Eiffel Tower's color is dark brown, not black. 60 tonnes of paint needed to mopping the whole tower every seven years
The Eiffel Tower, not only the city sign of Paris, it attracts so many people every year to France. The tower has three floors and two restaurants, which are both very expensive, on the second floor this restaurant has rewarded one star in the Michelin Red Guild.Eiffel Tower is one of their most attractions, since it construct, the tower already attracted 200milliom people, this is significant, it is able to contribute huge amounts of money to France's economy. At 2010, Eiffel Tower attracted 250millions people. At 2012 the Eiffel Tower has been declared the most valuable monument in Europe, which worth 435 billion euros, and the tower is the most visited...