Tag Archive for Tag: Bonded or unbonded tendons

Tag: Bonded or unbonded tendons Post-tensioning with or without bonding of tendons

Bonded post-tensioning In this method, the prestressing steel is placed in ducts and, after stressing, is bonded to the surrounding concrete by grouting with cement suspension. Round corrugated ducts are normally used. For the relatively thin floor slabs of buildings, however, round ducts would reduce possible eccentricity of the prestressing steel too much, particularly at cross-over points, so flat ducts

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