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The beginning

Newly graduated from the Ecole Polytechnique and the Ecole Nationale des Ponts et Chaussées, two of France's most iconic engineering schools, the young Eugène Freyssinet began his career as a highways engineer. It was 1905 and he was 26 years old.

Eugène Freyssinet in 1905

Passionate about concrete and its applications, Eugène Freyssinet constantly applied the principles he had learned during his studies. Through the various construction projects he was involved in, he discovered in detail the properties (strength, creep, ductility, etc.) of this fantastic building material.
Veudre Bridge (France)

In 1928, while working on the plans for the Halle Freyssinet, a freight terminal in Paris that still exists today, he invented and patented prestressing which, as he said, was to "revolutionise the art of building".  
The prestressing patent (1928)

From then on, Eugène Freyssinet invested his time and savings in developing his invention. In 1943, he founded Société Technique pour l'Utilisation de la Précontrainte (STUP). The object of the company, which took on the name Freyssinet in 1976, was "to develop, defend and exploit the new processes invented by Mr Freyssinet."

Documentary sources:

- La trace des bâtisseurs, histoire du Groupe VINCI - Dominique Barjot, 2003

- Freyssinet Magazine,

- Sols et Structures,
- Association Eugène Freyssinet.