Any type of stone used to reinforce a slope. Rip-rap is generally used to protect slopes prone to river erosion, wave action, surface erosion, or wind damage. It is usually applied with larger stones at the base of the slope and in a layer one to several stones deep.
Rocks that are broken and used to build or reinforce stream banks.
Broken stone and concrete piled together. Commonly used as a breakwater to prevent erosion along a shoreline.
A layer of large stones or broken rock placed on an embankment as erosion control and protection. Example.
Erosion control measure, consisting of stones being placed over the eroded area, used for prevention.
Broken rock placed around piers and abutments to prevent erosion.
A layer of large uncoursed stones, broken rock, or precast blocks placed in random fashion on the upstream slope of an embankment dam, on a reservoir shore, or on the sides of a channel as protection against wave and ice action.