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Article | REF: C2360 V2

Prestressed concrete General – Materials – Prestressing losses

Author: Emmanuel BOUCHON

Publication date: February 10, 2017

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2. Materials used

2.1 Context

Pre-stressed concrete requires the use of high-quality materials, carefully processed. It enables them to be used under high stresses, particularly during construction (i.e., when the cables are tensioned).

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2.1.1 Steel for prestressing tendons

Steel for prestressing tendons must be of high strength, so that it can be tensioned at a very high initial rate (usually between 1,200 and 1,500 MPa, except for bars). This initial tension, close to 80% of the breaking stress and 90% of...

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