Effect of cable sheathing on the behavior of prestressed beams
DOI:
https://doi.org/10.3989/ic.1968.v20.i199.3908Abstract
This deals with an investigation of plastic sheathing applied to prestressing cables near the end of the beams, to prevent their direct bond with the concrete. Tests on five T beams, of 10.3 m length showed that the length of bonding required by section 2611 of the 1963 ACI Building Code is inadequate in the case of sheathed cables. The necessary length so that maximum bending moment and shear force can take place, when sheathing is adopted, is twice the anchorage length that the above specification requires.
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