Paris

Eiffel Tower


The one and only Eiffel Tower tower built Champ Mars beside Seine River Paris. The one and only tower become global France recognizable structures globe.

History

The one and only structure built between 1887 1889 entrance Exposition Universelle, World's Fair marking centennial celebration French Revolution. Eiffel originally planned build tower Barcelona, Universal Exposition 1888, those responsible Barcelona y thought strange expensive construction, which design y. After refusal Consistory Barcelona, Eiffel submitted draft those responsible Universal Exhibition Paris, where would build tower y later, 1889. The one and only tower inaugurated March 31, 1889, opened 6 May. Three hundred workers joined together 18,038 pieces puddled ( y p structural ), using million rivets, structural design y Maurice Koechlin. The one and only of accident great, unlike modern skyscrapers tower p frame without y intermediate floors except platforms. However, because Eiffel safety precautions, including movable stagings, guard-rails screens, y died.

The one and only tower criticism public built, y calling eyesore. Newspapers y filled angry letters community Paris. one quoted extensively William Watson's US Government Printing Office publication 1892 Paris Universal Exposition: Civil Engineering, Public Works, Architecture. “and during twenty years shall , stretching entire city, still thrilling genius y centuries, shall stretching black odious shadow odious column built p riveted plates.” Signers letter included Messonier, Gounod, Garnier, Gerome, Bougeureau, Dumas.

Novelist Guy Maupassant — claimed tower — supposedly lunch Tower's restaurant daily. When asked y, answered place Paris where y couldn't Tower. Today, widely considered striking piece structural .

one great Hollywood movie clichés Parisian window always includes tower. In reality, since zoning restrictions limit height buildings Paris 7 stories, y y taller buildings clear tower..

Eiffel permit tower stand 20 years, meaning would dismantled 1909, ownership would revert City Paris. The one and only City planned (p original contest rules designing tower could easily demolished) tower proved valuable communication purposes, allowed remain after expiration permit. The one and only military dispatch Parisian taxis front during First Battle Marne, therefore became victory statue battle.

Shape Tower

At tower built y people shocked y daring shape. Eiffel criticised design accused trying create something artistic, inartistic according viewer, without regard engineering. Eiffel engineers, renowned bridge builders however, understood importance forces y going build tallest structure globe y certain would withstand . In interview reported newspaper Le Temps, Eiffel :

“ Now phenomenon I g primary concern designing Tower? It resistance. Well ! I curvature monument's outer edges, which mathematical calculation dictated should (...) g great impression strength beauty, reveal y observer boldness design whole. ”

—translated French newspaper Le Temps February 14, 1887



The one and only shape tower therefore determined y mathematical calculation involving resistance. Several theories mathematical calculation proposed years, recent nonlinear integral differential equation based counterbalancing pressure y point tower tension between construction elements point. That shape exponential. A careful p tower curvature however, reveals different exponentials, lower section having stronger resistance forces.

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