The Eiffel Tower
Overview
About the Tower Engineering Involved History Related Tourism Interesting Tidbits
About the tower… The Eiffel tower is puddle lattice tower
located on the Champ de Mars in Paris. Built in 1889, it has a global cultural icon of
france and one of the most recognizable structure in the world.
The tower stands 324m heigh..as high as a 81 storey building.
The tower is Tallest Building in paris and the most visited paid monuments in the world.
Named after its designer , Er. Gustave Eiffel….tower was built as entrance to World’s Fair.
About the tower… The tower was erected for the Paris Exposition
of 1889; Exposition Universelle in French—the Paris World’s Fair.
The Paris Exposition of 1889 was the Centennial of the French Revolution.
The Constuction Period was from January 23 1887 to March 1889—two years, two months, 5 days.
The tower was inaugurated on March 31, 1889.
Tower under construction—April 1888
Tower under construction—July 1888
Tower under construction—December 1888
Completed—May 1889
Paris World’s Fair…
Engineering Base of the Tower is on 4 piers which hold
names of the four cardinal points Each main support rests on blocks of
masonry, masonry rests on beds of concrete Concrete beds cover 60 square meters In the center of each—iron bars (25 ft, 6 in
long & 4 in thick) unite the masonry by clamps
To ensure the Tower was level, Eiffel left room for hydraulic presses at the angles of each pier
History So many people visited the Tower
in it’s 1st year that all almost all construction costs were recovered w/ticket sales
Tower was slated to only stand for 20 years, but after 20 years, it proved to be a valuable communication tool for radio broadcasting
Tallest structure in the world at original construction
When Paris fell to the Nazis in WW2, French rebels cut the cables to the elevator so Hitler had to climb stairs
History… Eiffel used open latticework of wrought iron
to help the Tower hold up to wind gusts. Wanted wind to blow through the Tower,
not against it. Even during strong winds, the Tower never
sways more than 4.5 inches.
Tourism The Tower has 3 levels for visitors. Tickets can be purchased to ascend by stairs or
by lift to first and second level. Walk from the Ground to First level is 300 steps. The third and the highest level is only accesible
by elevators. The first and the second level feature
resturants.
Staircase… Elevator…
Restaurant…
Tourism To use the stairs to the 1st & 2nd
floor it is 4,00 Euro
To go all the way to the top in the elevator it is 12,00 Euro—cheaper if we are in a group
The Tower opens at 9:30 am, and the stairs close earlier than the elevator—last lift at 11 pm
To reach the top of the Tower (276 meters), visitors must take another elevator from the second floor.
Interesting Tidbits Engineers of the
project were: Maurice Koechlin and Emile Nouguier.
Stephen Sauvestre was the architect.
Gustave Eiffel was the contractor.
Number of Iron Workers = 300
Number of Workers Killed in Construction = 1
Rivets = 2,500,000
Iron Pieces = 18,038
Interesting Tidbits, Height = 324 meters
(986 ft) +/- 15 cm depending
on temperature 1st level = 57 m 2nd level = 115 m 3rd level = 276 m Height w/ antenna =
320.755 m (1052 ft)
Weight = 7,000 tons 1000 tons removed
during renovation in 1990s
Base = 412 sq. ft (2.5 acres)
Paint = 50 tons every 7 years Paint color is actually
Dark Brown Use 3 different colors—
dark to light
Interesting Tidbits The most interesting fact of the tower is As
being one of the most iconic images in the world, the Eiffel Tower has been the inspiration for the creation of over 30 duplicates and similar towers around the world.
i.e. Black pool tower,Lasvegas,Tokyo tower,
Ismaning radio tower …& many more.
Few Replicas … Village of parizh
(Russia)
Few Replicas … Bloemfontein
Eiffel tower
Few Replicas … Paris Hotel
(las vegas)
Thank You