Term of the Road Dictionary
- Language : PIARC Road Dictionary / English
- Theme : Structures Other Structures and General Items
- Definition : Flexible sheath of steel or high-density polyethylene cast in place in a posttensioned beam through which the tendons are passed before tensioning. Note: the duct is later filled with cement grout or grease to prevent corrosion of the tendons [LCPC-IFSTTAR].
- Synonyms : prestressing duct