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).
SCROLL TO TOP2.1.1 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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Materials used
Calculating cable post-tensioning
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