Eiffel Tower

The Eiffel Tower (French Tour Eiffel, [Zum Anhören bitte klicken!Abspielentuʁ‿ɛˈfɛl]) is a 324-metre-high iron truss tower in Paris. It stands in the 7th arrondissement at the northwestern end of the Champ de Mars (Field of Mars), near the banks of the Seine. Built from 1887 to 1889, the structure was erected as a monumental entrance and observation tower for the World's Fair to commemorate the 100th anniversary of the French Revolution. Named after its builder Gustave Eiffel, the tower, which was 312 metres tall at the time of construction, was the tallest structure in the world from its construction until the completion of the Chrysler Building in New York in 1930. The structure contributed to the history of radio and television as a broadcasting tower with the broadcasting of the first public radio program in Europe in 1921 and the first French television program in 1935. The television tower is the most important broadcasting facility in the greater Paris area and houses the Michelin-starred restaurant Le Jules Verne as a tower restaurant.

As the tallest building in Paris, it still dominates the cityscape today and is one of the most visited landmarks in the world, attracting around seven million paying visitors a year. The tower is one of the most famous icons of architecture and engineering. The Eiffel Tower is the model for many imitation buildings and is often referred to in art and culture in connection with Paris and France. It is considered a national symbol of the French and has become a worldwide icon of modernism. Since 1964, the Eiffel Tower has been listed as a monument historique, and in 1986 the American Society of Civil Engineers included the structure in its list of historic milestones of engineering.

Description

Location and surroundings

The Eiffel Tower is located in the west of the 7th arrondissement of downtown Paris at the northwest end of the Champ de Mars. It stands at 33 meters above sea level not far from the banks of the Seine, where there are also landing stages for excursion boats. Not far from it, southwest of the Eiffel Tower, is the elongated Île aux Cygnes (Swan Island) in the Seine. In the immediate line of sight of the structure is the École Militaire to the southeast and the Palais de Chaillot to the northwest on the opposite bank of the river above the Pont d'Iéna, widened to 35 meters in 1937. To the southeast of the École Militaire is the UNESCO headquarters in a Y-shaped building built in 1958. About three kilometers away as the crow flies in a southeasterly direction, slightly north of the exact line of sight, is the 210-meter-high Tour Montparnasse office tower. To the northeast, near the Eiffel Tower, is the Musée du quai Branly ethnological museum.

The following roads open to vehicular traffic are tangential to the tower site: to the southwest, Avenue Gustave Eiffel; to the northeast, Avenue de la Bourdonnais; to the northwest, the busy Quai Branly, from which the Pont d'Iéna branches off across the Seine; and to the southeast, Avenue de Suffren. The four streets border a wooded, park-like rectangular plot of land centered on the Eiffel Tower. Motorized traffic is not allowed to pass through.

The closest Métro Paris stops to the Eiffel Tower are Bir-Hakeim (Tour Eiffel) on line 6 and École Militaire on line 8. Line C of the Paris RER commuter rail system stops southwest of the tower at Champ de Mars - Tour Eiffel station. Several bus lines stop in the immediate vicinity of the Eiffel Tower.

Architecture

Detailed views

As Gustave Eiffel explained in a lecture to the Société des Ingénieurs civils on 30 March 1885, the architecture of the tower was about,

"to dispense with the large lattice bars of the vertical surfaces, which were to resist the wind. Therefore, the pier is to be given a shape such that all the forces for which the wind is responsible concentrated on the inside of the supporting uprights. [...] The tangents located at points of equal height to these supports must always meet at the point of passage of the resultant of the load exerted by the wind on the part of the pier above the points in question. [...] Before the supports unite at this high point, they seem to shoot up out of the ground, and receive their shape, as it were, by the action of the wind."

As sophisticated as the architecture is for optimizing the wind load, the basic concept of the Eiffel Tower, which has the large railway bridges made of iron trusses as its structural model, is comparatively simple. Sixteen vertically offset main struts, grouped in groups of four, rise up in an arc and are connected by the three horizontal visitor platforms. Above the second platform, the struts are united to form a pylon.

Tower base and foundation

The Eiffel Tower stands at a height of 30.5 meters above sea level at the northwestern end of the Champ de Mars (→ location). The building stands on four mighty supporting pillars made of iron trusses, each 26.08 meters wide; they transfer the entire weight to the foundation, which extends to a depth of 15 meters. The piers rest on solid masonry and are anchored to the ground with 16 rafters at a 54-degree angle. Screws 7.80 meters long connect the cast iron shoe with the substructure.

The tower construction is supported by the substructure in such a way that, depending on the wind load, it transmits a pressure of about 5 kg/cm² to the ground. This is roughly equivalent to the ground pressure exerted by an adult sitting on a chair - a comparison that Eiffel himself calculated and stated in his publication La Tour de 300 mètres.

The piers are 74.24 meters apart at the bottom, which corresponds to a total spread of the tower at the base of 124.90 meters. The floor plan of the base is square. The Eiffel Tower was constructed in such a way that each of its pillars is aligned exactly with one cardinal direction. The north and west pillars face the Seine, while the east and south pillars face the Champ de Mars. Each of the pillars contains entrances with ticket booths, staircases and elevators, which may be open in different ways depending on the crowds and the occasion. The distance between the pillars, which are connected by mighty arches, decreases with increasing height. The arches, also made of filigree-looking iron latticework, 39 metres above the ground and with a diameter of 74 metres, are purely decorative and have no load-bearing function. The passage between the pillar feet is exclusively reserved for pedestrians. On the north pillar there is a gold-coloured bust on an elongated pedestal in honour of the builder Gustave Eiffel.

Southwest of the west pier, a red brick chimney overgrown with shrubs juts out from an artificial grotto. It dates from 1887 and was used to construct the south pier during the construction phase. As part of the redesigned enclosure of the Eiffel Tower in 2018, the entire area below the piers and partially beyond was landscaped into a new garden. The area contains plants and trees, some of which predate the construction of the Eiffel Tower. Among the oldest trees is a 20-metre-high plane tree planted in 1814. The green area of approximately 2000 hectares with about 2000 shrubs and 20,000 perennial plants, such as ferns, lily of the valley or hydrangeas were newly planted to give the visitor an impression of the turn of the 20th century, which had many Parisian gardens at the time of the Belle Epoque.

·        

Tower base

·        

Entrance at the east pillar

·        

Eiffel's bust on the north pillar

First floor

The first floor above the arches at a height of 57.6 metres offers space for around 3000 visitors at a time on a usable area of 4415 square metres. The restaurant 58 Tour Eiffel, a self-service restaurant and the cinema hall Cineiffel, which can also be used as an exhibition space, are located on this level. The wrap-around balcony on this level has panoramic panels on the parapet to help locate the Parisian landmarks visible from there. There is a souvenir shop and, in the south pillar, a small post office (Bureau de Poste Tour Eiffel) open daily and carrying its own postmark as a souvenir receipt. On the first floor, the 300-square-metre Gustave Eiffel Hall, which can be rented, is ideal for meetings, conferences, concerts or receptions.

At the beginning, the Eiffel Tower had elaborately glazed halls on its first floor, which were conspicuous from the outside by their arched roof structures. They contained, among other things, four restaurants with different themes. Between the north and east pillars was the Russian restaurant, now called the Gustave Eiffel Room. Between the south and west pillars was the Anglo-American bar, between the east and south pillars was the French restaurant, and between the north and west pillars was the Flemish restaurant. The latter was converted into a Dutch restaurant after the 1889 Exposition and was used as a theatre hall after 1900. All of these buildings and the historic ornaments were demolished in the course of the 1937 World's Fair and replaced by ones that were less conspicuous from the outside, in order to adapt them to the changed taste.

Along a frieze on the first floor are 72 names of eminent scientists and technicians, 18 on each side. When the tower was repainted at the beginning of the 20th century, the names disappeared; in 1986 and 1987 they were made visible again. They are mainly engineers and mathematicians who worked during the French Revolution and the first half of the 19th century. Eiffel himself made the selection of names; he was criticized for some of them. He deliberately omitted scientists with long surnames and also women who rendered outstanding services to science, for example also the important French mathematician Sophie Germain.

Second floor

At a height of 115.7 metres is the second floor with an area of 1430 square metres, which offers space for around 1600 visitors at a time. The second floor can be reached either by elevator or by one of the staircases located in the pillars; 704 steps lead up from the base to the second floor. At this level, the transfer to the elevators takes place, which continue to the top.

Here you will find the Jules Verne restaurant with 95 seats. It offers upscale gastronomy, was awarded one star by the Guide Michelin and received 16 out of a possible 20 points from Gault-Millau. The restaurant, with a floor area of 500 square metres, is slightly elevated on the south pillar at a height of 123 metres and is accessible via a separate lift. It has been under the management of chef Alain Ducasse since 2007.

There is also a snack bar and a souvenir shop on this level. The history of the Eiffel Tower is told in words and pictures in showcases specially set up for visitors.

Third floor and spire

The third and top platform is located at a height of 276.1 meters and has an area of 250 square meters. This floor is accessible to the public only via the elevators. However, there is a continuous staircase that has 1665 steps starting in the east pillar to the top. It replaced the original staircase of 1710 steps in 1983 and is lighter and less dangerous. To date (2020), the top observation deck is the fourth highest publicly accessible in Europe; the highest observation deck is currently at Oko Tower 1 in Moscow.

Above the covered platform, stairs lead up to the open-air platform, which is secured by steel grids and measures around 100 square metres. The entire area of the third floor can accommodate up to 400 people at a time. In good weather, you can see up to 80 kilometres from here. Panels point to major cities in the world in the corresponding cardinal direction and indicate the distance as the crow flies from the Eiffel Tower. In addition to a champagne bar, Eiffel's study has been faithfully restored and furnished with wax figures showing Eiffel, his daughter Claire and the American inventor Thomas Edison trying out the phonograph that Edison had brought for Eiffel as a present for the opening of the tower.

Above the visitor platform at a height of 295 meters, there is a beacon for each cardinal direction. The movement is controlled by software and can be synchronized in such a way that a continuously rotating cross is simulated with the beacons. At this height there are also several directional antennas. Above this are the dipole antennas for the radio frequencies; these are located at 291 meters and 294 meters. At the bottom of the actual antenna mast, which rises from the former lantern, there are more double dipole antennas on several floors in all directions; these are located at 299 meters and 304 meters. Above these are the UHF antennas - identifiable by the shielding, conspicuous white weather protection boxes. The top of the tower is crowned by further dipole antennas pointing in the four cardinal directions, meteorological measuring instruments and a maintenance platform.

At the top of the tower are over 120 antennas for the transmission of dozens of radio and television programmes (→ use as a transmission tower). The height of the antennas has varied over the decades. Since its opening, the actual building structure has been 300.51 metres high, reaching a total height of 312.27 metres with the lantern and flagpole at its top. Due to the additional installation of antenna platforms, the lantern can now only be seen in its upper third through the curved trusses that converge to form the antenna mast. A new antenna changed the overall height to 317.96 metres in 1991, and the 1994 rebuild at the top of the tower made it 318.70 metres tall overall. The last change in overall height was in 2000, when the tower grew to its current height of 324 metres.

Due to wind effects, the top of the tower swayed up to about 13 centimeters from its resting position during a storm in 1999. The expansion of the tower due to strong solar radiation can amount to several centimeters in height, the previous peak value of 18 centimeters was reached in the summer of 1976. According to Eiffel's calculations, the tower could even expand by up to 70 centimetres. In addition, it leans slightly towards the side facing away from the sun, as the side facing the sun expands more than the other three. At the top, this effect can add up to several centimeters.

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360° panoramic view of Paris from the top observation deck

The top observation deckZoom
The top observation deck

Second floorZoom
Second floor

Eiffel Tower seen from the Tour Montparnasse with the Champ de Mars and the École Militaire to the southeastZoom
Eiffel Tower seen from the Tour Montparnasse with the Champ de Mars and the École Militaire to the southeast

Detail of the arch constructionZoom
Detail of the arch construction

Longwall and stairsZoom
Longwall and stairs

North pillar from the interior viewZoom
North pillar from the interior view

View from the middle to the topZoom
View from the middle to the top

Upper part from the second floorZoom
Upper part from the second floor

View from the third floor vertically downwardsZoom
View from the third floor vertically downwards

Schematic drawing of the Eiffel Tower with technical dataZoom
Schematic drawing of the Eiffel Tower with technical data

Third floor and spireZoom
Third floor and spire

First floorZoom
First floor

Tourism

Facilities for the public

The Eiffel Tower is generally open to the public 365 days a year without a day off. Only during strong storms it can come to the closure or to restrictions. In total, more than 600 people are employed at or for the landmark. Among them are 280 administrative staff working for the SETE. About 240 are employed in the restaurant operations, 50 in souvenir sales, and 50 perform other jobs, mostly technical. There is a post office in the tower, and a police task force guards the monument. Due to the comparatively high income, the Eiffel Tower is one of the few French sights that manage without state subsidies.

Visitor numbers and statistics

In the year of its opening, almost 1.9 million of the total 32.3 million exhibition visitors climbed the Eiffel Tower during the 1889 World's Fair. In the following ten years, the number of visitors leveled off to an average of around 250,000. During the 1900 World's Fair, the Eiffel Tower recorded just over 1 million visitors, despite significantly more exhibition visitors (50.8 million). In the following years, numbers fell further below the level of the first ten years until the tower was closed to the public during World War I from 1915 to 1918. When it reopened in 1919, the number of annual visitors rose to just under 480,000, with two notable outliers in 1931 and 1937 for the Paris Colonial and World Trade Fairs respectively, each attracting over 800,000 visitors. Because of World War II, the Eiffel Tower was closed in 1940; it reopened in June 1946. By the early 1950s, some 1 million visitors were already coming; in the following decades, more and more came, including many foreign tourists. In the mid-2000s, more than 6.5 million people came; in both 2011 and 2014, the figure was just over 7 million. Turnover in 2011 reached 85.7 million euros. With the increased number of visitors, reaching around 35,000 on peak days, waiting times have at times risen to several hours; overcrowding has been feared. Including 2011, over 260 million people have been to the Eiffel Tower since it opened. On 28 September 2017, the 300 millionth visitor was counted.

Visitor numbers of the Eiffel Tower from 1889 to 2017

Year

Visitors

Year

Visitors

Year

Visitors

Year

Visitors

Year

Visitors

Year

Visitors

Year

Visitors

1889

1.968.287

1910

203.803

1931

822.550

1952

1.250.094

1973

2.914.814

1994

5.419.462

2015

6.917.000

1890

393.414

1911

204.168

1932

339.242

1953

1.204.371

1974

3.018.455

1995

5.212.677

2016

5.841.026

1891

335.829

1912

258.950

1933

363.720

1954

1.301.152

1975

3.045.573

1996

5.530.279

2017

6.207.303

1892

277.276

1913

261.337

1934

322.969

1955

1.435.192

1976

3.050.606

1997

5.719.773

1893

265.894

1914

152.725

1935

288.643

1956

1.476.400

1977

3.298.844

1998

6.051.603

1894

210.836

1915

closed year-round

1936

264.145

1957

1.632.647

1978

3.430.886

1999

6.368.534

1895

218.974

1916

1937

809.978

1958

1.591.005

1979

3.429.571

2000

6.315.324

1896

226.654

1917

1938

258.306

1959

1.668.558

1980

3.594.190

2001

6.103.987

1897

199.827

1918

1939

252.495

1960

1.735.230

1981

3.393.208

2002

6.157.042

1898

183.391

1919

311.714

1940

closed all yearJune
'46 open

1961

1.763.448

1982

3.399.683

2003

5.864.969

1899

149.580

1920

417.869

1941

1962

1.735.796

1983

3.701.558

2004

6.230.050

1900

1.024.887

1921

426.635

1942

1963

2.013.594

1984

4.183.857

2005

6.428.441

1901

131.724

1922

422.172

1943

1964

2.143.173

1985

4.368.573

2006

6.719.200

1902

121.144

1923

551.444

1944

1965

2.295.193

1986

4.386.291

2007

6.959.186

1903

122.979

1924

585.730

1945

1966

2.405.554

1987

4.293.187

2008

6.929.463

1904

156.918

1925

631.758

1946

603.349

1967

2.416.502

1988

4.668.468

2009

6.603.792

1905

169.770

1926

657.004

1947

1.009.161

1968

2.070.417

1989

5.580.363

2010

6.709.634

1906

182.399

1927

555.087

1948

958.386

1969

2.561.157

1990

5.698.613

2011

7.086.273

1907

190.026

1928

634.819

1949

1.143.046

1970

2.757.768

1991

5.442.346

2012

6.270.000

1908

189.338

1929

577.624

1950

1.026.631

1971

2.899.070

1992

5.747.357

2013

6.740.000

1909

181.574

1930

580.075

1951

1.129.637

1972

3.003.659

1993

5.537.155

2014

7.097.302

 

Number of visitors to the Eiffel Tower from 1889 to 2017 (cumulative)

Year

Visitors

Year

Visitors

Year

Visitors

Year

Visitors

Year

Visitors

Year

Visitors

Year

Visitors

1889

1.968.287

1910

7.104.524

1931

15.156.185

1952

25.175.987

1973

68.200.687

1994

156.888.933

2015

290.903.462

1890

2.361.701

1911

7.308.692

1932

15.495.427

1953

26.380.358

1974

71.219.142

1995

162.101.610

2016

296.744.488

1891

2.697.530

1912

7.567.642

1933

15.859.147

1954

27.681.510

1975

74.264.715

1996

167.631.889

2017

302.951.791

1892

2.974.806

1913

7.828.979

1934

16.182.116

1955

29.116.702

1976

77.315.321

1997

173.351.662

1893

3.240.700

1914

7.981.704

1935

16.470.759

1956

30.593.102

1977

80.614.165

1998

179.403.265

1894

3.451.536

1915

7.981.704

1936

16.734.904

1957

32.225.749

1978

84.045.051

1999

185.771.799

1895

3.670.510

1916

7.981.704

1937

17.544.882

1958

33.816.754

1979

87.474.622

2000

192.087.123

1896

3.897.164

1917

7.981.704

1938

17.803.188

1959

35.485.312

1980

91.068.812

2001

198.191.110

1897

4.096.991

1918

7.981.704

1939

18.055.683

1960

37.220.542

1981

94.462.020

2002

204.348.152

1898

4.280.382

1919

8.293.418

1940

18.055.683

1961

38.983.990

1982

97.861.703

2003

210.213.121

1899

4.429.962

1920

8.711.287

1941

18.055.683

1962

40.719.786

1983

101.563.261

2004

216.443.171

1900

5.454.849

1921

9.137.922

1942

18.055.683

1963

42.733.380

1984

105.747.118

2005

222.871.612

1901

5.586.573

1922

9.560.094

1943

18.055.683

1964

44.876.553

1985

110.115.691

2006

229.590.812

1902

5.707.717

1923

10.111.538

1944

18.055.683

1965

47.171.746

1986

114.501.982

2007

236.549.998

1903

5.830.696

1924

10.697.268

1945

18.055.683

1966

49.577.300

1987

118.795.169

2008

243.479.461

1904

5.987.614

1925

11.329.026

1946

18.659.032

1967

51.993.802

1988

123.463.637

2009

250.083.253

1905

6.157.384

1926

11.986.030

1947

19.668.193

1968

54.064.219

1989

129.044.000

2010

256.792.887

1906

6.339.783

1927

12.541.117

1948

20.626.579

1969

56.625.376

1990

134.742.613

2011

263.879.160

1907

6.529.809

1928

13.175.936

1949

21.769.625

1970

59.383.144

1991

140.184.959

2012

270.149.160

1908

6.719.147

1929

13.753.560

1950

22.796.256

1971

62.282.214

1992

145.932.316

2013

276.889.160

1909

6.900.721

1930

14.333.635

1951

23.925.893

1972

65.285.873

1993

151.469.471

2014

283.986.462

According to a statistical survey of 7,989 visitors, the profile in 2009 was as follows: the majority of visitors came from Western Europe (43%), metropolitanFrance (29%) and North America (11%). Apart from France, the strongest visitor countries were Germany with 8.5%, the United Kingdom with 8.1%, followed by the United States (7.6%), Spain (7.3%), Italy (4.8%) and Australia (4.1%). If we divide the age of visitors into the categories "under 25", from "26 to 35", from "36 to 45" and "over", they each take up around a quarter. Over 56 years were only 6.4%. The majority of visitors came with their family (63.8%); around 23% visit the Eiffel Tower with friends and 7.8% in organised tour groups. Just under half (46.1%) came by metro, 17.3% came on foot, 12% by their own car and 7.5% by bus. About 46% of respondents had been to the Eiffel Tower before.

Queue at the Eiffel TowerZoom
Queue at the Eiffel Tower


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