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prestressed concrete
(redirected from Post-tensioned concrete)

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prestressed concrete

Developed form of reinforced concrete in which tensioned steel cables enclosed in ducts take the place of steel reinforcement. This allows the most efficient use of the tensile strength of steel with the compressive strength of concrete. Its use was pioneered by the French engineer Eugène Freysinnet in the 1920s.



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Viaducts are series of precast post-tensioned concrete segments supported by piers that carry the rail track.
There, one will find many references including PTI's publication: "Design, Construction and Maintenance of Cast-in-Place Post-Tensioned Concrete Structures.
Its post-tensioned concrete spans had to be tightened to the tune of one million pounds of tension.
 
 
 
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