Albert Caquot designed the internal structure of the Christ the Redeemer statue in Rio de Janeiro, a project completed in 1931 that highlighted his mastery of reinforced concrete. Across a career spanning seven decades, he directed the construction of over 300 bridges and industrial facilities, establishing himself as a pivotal figure in both civil and aeronautical engineering.
Early Career and Civil Engineering
Born in 1881 in Vouziers, Caquot attended the École polytechnique and the École Nationale des Ponts et Chaussées. Between 1905 and 1912, he served as a project manager in Troyes, where his improvements to the city sewer system prevented flooding during the 1910 Seine overflow. He later specialized in geotechnics, defining the intrinsic curve for structural design in 1930 and developing theorems regarding passive earth pressure that remain foundational in modern ground engineering.
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During the First World War, Caquot addressed the instability of military captive balloons by designing the 'Caquot dirigible.' Featuring three air-filled stabilizing lobes and a repositioned balloonette, the design allowed for operation in high-wind conditions. His success led to his 1918 appointment as technical director of French military aviation. He later helped establish the Musée de l'Air et de l'Espace and directed the French Aviation Ministry, where he promoted mass production and fluid mechanics research.
Major Infrastructure Projects
Caquot’s portfolio included several record-setting structures. He oversaw the 1928 construction of the La Madeleine Bridge in Nantes and the Lafayette Bridge in Paris, the latter utilizing compressed-air concrete vibrators. His later work included the La Girotte Dam, the Bollène lock, and the Rance tidal power plant, which required a specialized enclosure to withstand 12-meter ocean tides. He remained active into his eighties, proposing large-scale tidal energy projects for the Mont St Michel bay.
Fast facts
- Born: 1881, Vouziers, France
- Died: 1976, Paris, France
- Education: École polytechnique (1899–1901)
- Grand Cross of the Legion of Honour: 1951
- Wilhelm Exner Medal: 1962
- Member, French Academy of Sciences: 1934–1976
- Burial place: Dinard
Questions readers ask
What was the significance of the Caquot dirigible?
It provided French and Allied forces with stable aerial observation capabilities in 90 km/h winds, significantly improving artillery and aviation coordination during the First World War.
What are his most recognized structural achievements?
He is internationally known for designing the internal support structure of the Christ the Redeemer statue in Brazil and for his extensive work on record-breaking bridges and dams in France.
Achievements
- Grand Cross of the Legion of Honour
- Croix de guerre 1914–1918
- Wilhelm Exner Medal
- Trained at École polytechnique and École Nationale des Ponts et Chaussées
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