Moisture damage in which water gets between the binder film and the aggregate and pries the binder loose, often starting inside the layer where nobody sees it. A stripped core shows bare, uncoated stone and crumbles easily, and surface symptoms include raveling, rutting and potholes. Mixes are screened with TSR and Hamburg tests, and siliceous and other strip-prone aggregates are protected with hydrated lime or liquid amine anti-strip.
Core came out in pieces, bare rock all through the bottom half, that base lift is stripping bad.
Also heard as
- moisture damage
- stripped
Related terms
TSR
Tensile strength ratio: a moisture-damage test comparing the strength of soaked mix specimens to dry ones.
Hamburg wheel-tracking test
A lab test that rolls a loaded steel wheel over submerged mix samples to measure rutting and moisture damage.
Raveling
Loss of aggregate from the pavement surface as the binder lets go of the stone.
Pothole
A bowl-shaped hole through the pavement surface where pieces of asphalt have broken out.