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PIARC (World Road Association), founded in 1909 and comprising 125 member governments from all over the world, is the global forum for exchange of knowledge and experience on roads, road transport policies and practices. With consultative status to the Economic and Social Council of the United Nations, the Association is contributing to a stable and sustainable global development of the road and transport sector.

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Term of the Road Dictionary

cable duct

  • 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

Hüllrohr

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