This article includes a list of references, related reading or external links, but its sources remain unclear because it lacks inline citations. (May 2017) (Learn how and when to remove this template message)
|Look up riprap in Wiktionary, the free dictionary.|
Riprap, also known as rip rap, rip-rap, shot rock, rock armor, or rubble, is human-placed rock or other material used to armor shorelines, streambeds, bridge abutments, pilings and other shoreline structures against scour and water, wave, or ice erosion. Common rock types used include granite and modular concrete blocks. Rubble from building and paving demolition is sometimes used.
- Ciria-CUR (2007) - Rock Manual - The use of rock in hydraulic engineering.
- N.W.H. Allsop (2002) - Breakwaters, coastal structures and coastlines.
- US Dept. of Transportation (2004) - Trail Construction and Maintenance Notebook