Term sheet


  • Dictionary : PIARC Road Dictionary/ English
  • Theme : Operations / Asset Management and Maintenance / Maintenance
  • Definition : Phenomenon by which water entrapped at the interface between a concrete slab and its subbase layer is ejected by the deflection of slab edges as heavy vehicles pass over.
    Note: in some cases fines from within the pavement structure are entrained with the ejected water, which in time may result in cavities under the slab.

Submit your remarks on this term