Term of the Road Dictionary

prestressing with unbonded tendons

  • Language : PIARC Road Dictionary / English
  • Theme : Structures Other Structures and General Items
  • Definition : Method of prestressing concrete in which each individual cable is provided with permanent freedom of movement relative to the concrete, by coating each individual tendon with a generally lithium-based grease and covering it by a plastic sheathing formed in an extrusion process. Note: the transfer of tension to the concrete is achieved by the steel cable acting against steel anchors embedded in the perimeter of the slab.

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