Tour Signal was a proposed

skyscraper A skyscraper is a tall continuously habitable building having multiple floors. Most modern sources define skyscrapers as being at least or in height, though there is no universally accepted definition, other than being very tall high-rise bui ...

La Défense La Défense () is a major business district in France's Paris metropolitan area, west of the city limits. It is located in Île-de-France region's Departments of France, department of Hauts-de-Seine in the Communes of France, communes of Courbe ...

and in

Puteaux Puteaux () is a commune in the western suburbs of Paris, France. It is located in the heart of the Hauts-de-Seine department, from the centre of Paris. La Défense, Paris's business district hosting the tallest buildings in the metropolitan ...

France France, officially the French Republic, is a country located primarily in Western Europe. Overseas France, Its overseas regions and territories include French Guiana in South America, Saint Pierre and Miquelon in the Atlantic Ocean#North Atlan ...

.Lebow, Arthur
"The Contextualizer,"
''New York Times.'' April 6, 2008, p. 4; excerpt, "''...a skyscraper that Nouvel (adapting a term from the artist Brâncuși) called the “tour sans fins,” or endless tower. Conceived as a kind of minaret alongside the squat, monumental Grande Arche de La Défense, the endless tower has taken on some of the mystique of Mies van der Rohe’s unbuilt Friedrichstrasse glass skyscraper of 1921. To obscure its lower end, the tower was designed to sit within a crater. Its facade, appearing to vanish in the sky, changed as it rose, from charcoal-colored granite to paler stone, then to aluminum and finally to glass that became increasingly reflective, all to enhance the illusion of dematerialization''."

Design and development

Medea and Layetana were the developers with Ateliers

Jean Nouvel Jean Nouvel (; born 12 August 1945) is a French architect. Nouvel studied at the École des Beaux-Arts in Paris and was a founding member of ''Mars 1976'' and ''Syndicat de l'Architecture'', France’s first labor union for architects. He has ob ...

as architects.

Location

West Gate was chosen as the location for the building in order to open the La Défense district to the municipality of Puteaux. The project’s ambition was to create a stronger polarity at the heart of the

Île-de-France The Île-de-France (; ; ) is the most populous of the eighteen regions of France, with an official estimated population of 12,271,794 residents on 1 January 2023. Centered on the capital Paris, it is located in the north-central part of the cou ...

and develop a major attraction while relating the project to its natural and built environment and, lastly, embodying the various elements which strengthen the feeling that the project belongs in the district.

Outcome

The project was never built, and was cancelled in 2009. In 2009, Medea and Layetana announced they are not involved in the project anymore, and the new president of the EPAD Joëlle Ceccaldi-Raynaud declared her opposition to the tower which looks like an unaesthetic "

monolith A monolith is a geological feature consisting of a single massive stone or rock, such as some mountains. Erosion usually exposes the geological formations, which are often made of very hard and solid igneous or metamorphic rock. Some monolit ...

". *Structural type: highrise *Architectural style: modern *Materials:

glass Glass is an amorphous (non-crystalline solid, non-crystalline) solid. Because it is often transparency and translucency, transparent and chemically inert, glass has found widespread practical, technological, and decorative use in window pane ...

steel Steel is an alloy of iron and carbon that demonstrates improved mechanical properties compared to the pure form of iron. Due to steel's high Young's modulus, elastic modulus, Yield (engineering), yield strength, Fracture, fracture strength a ...

and

concrete Concrete is a composite material composed of aggregate bound together with a fluid cement that cures to a solid over time. It is the second-most-used substance (after water), the most–widely used building material, and the most-manufactur ...

*Design: http://skyscraperpage.com/cities/?buildingID=76763

Notes

{{coord, 48, 53, 29, N, 2, 14, 01, E, region:FR_type:landmark_source:kolossus-frwiki, display=title Unbuilt buildings and structures in France