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Gems of Structural Engg - Eugène Freyssinet - (Post-2)

 
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abhy_vivek
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PostPosted: Wed Jan 27, 2010 12:47 pm    Post subject: Gems of Structural Engg - Eugène Freyssinet - (Post-2) Reply with quote

Eugène Freyssinet



(13 July 1879 – 8 June 1962)    

Eugène Freyssinet (13 July 1879 – 8 June 1962) was a French civil engineer. He is known as the father of prestressed concrete. Freyssinet was born in at Objat, Corrèze, France. He studied at the Ecole Polytechnique in Paris and the Ecole Nationale des Ponts et Chaussees in Paris before he was apprenticed to the engineer Rabut. He served as an engineer in the French Army from 1904 to 1907 and again from 1914 to 1918. Between his two stints in the army he worked as a road engineer for local authorities in Central France. From 1918 until 1928 he worked as Director for the Societe des Enterprises Limousin in Paris after which he established his own practice. He set to Moulins, France where he built many bridges until the First World War. He apprenticed under Charles Rabut. He received a distinction for the invention of the jacked arch technique, used for the first time for the bridge at Châtel-de-Neuvre.

Served as the director of Public Works in Moulins starting in 1905. He also served as a road engineer in central France from 1907 till 1914, and in the French Army from 1914-1918. His many researches allowed him an efficient use of rolling benders, vaults with ribbing on top, and above all, he discovered the vibration of concrete. In the 1920s he led the team who built the Plougastel Bridge with three identical spans of 180 m reach. During this time he discovered the laws of timely deformation of concrete. In 1933, he consolidated the maritime station of Le Havre which was threatening to crumble.


Hangar at Orly - Raising Section



Until his death he did activities for his company Campenon-Bernard.

He attended École Nationale des Ponts et Chaussées in Paris. After completion of schooling he apprenticed under Charles Rabut. Many of Eugène's designs where new and elaborate for his time. His work help with the executing of curved shapes in structures. This also allowed for the concrete's weight to be lighter and not lose any strength. Freyssinet created innovative architecture using reinforced concrete as his main material. More an engineer than an architect, Freyssinet still managed to introduce several collaborative architectural works. His projects generally revolved around an experimental search for a common language. His designs allowed for a free expression of materials and spaces while working within the limits of technology.
Considered the "father of pre-stressed concrete", Freyssinet died in Saint-Martin-Vesubie, France in 1962.






Eugène Freyssinet - polytechnique





* * * compiled from various websites, books
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Dr. N. Subramanian
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PostPosted: Wed Jan 27, 2010 11:10 pm    Post subject: Reply with quote

Dear Er Vivek,

Once again you have posted it in General section instead of Engineering Marvels section. I request the Moderator Er Sanjeev to move it to the Engineering Marvels section.

Regards,
Subramanian
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