(redirected from Rip rap)
Also found in: Encyclopedia.


1. Piled broken stones used as a foundation or to stabilize an easily eroded bank or slope.
2. An assemblage of such broken stones.
tr.v. rip·rapped, rip·rap·ping, rip·raps
1. To construct a riprap in or on.
2. To strengthen with a riprap.

[Reduplication of rap.]



1. a quantity of broken stone for foundations, revetments of embankments, etc.
2. a foundation or wall of stones thrown together irregularly.
[1570–80; gradational reduplication of rap1]
References in periodicals archive ?
The X55 Cross/Over Dump trailer is ideal for hauling materials such as rip rap, clay, demolition and a multitude of other materials that current bottom dumps cannot haul.
Sales Manager Scotty Reed said that rip rap is a much-needed commodity in their market area, and base stone shipped to the gulf can command a premium price of between $20 and $30 per ton--making up the core of lucrative sales program for the company.
Two products listed are UltraFlex[TM] Articulating Concrete Block Mats (alternatives to rip rap, gabions, structural concrete, grout mats and other durable hard-armor protection systems) and UltraLok[TM], described as hand-placed interlocking blocks for installation in areas where heavy equipment can't be used due to site constraints and access issues.
A range of attachments are available for fine grading, sloping, ditching, truck loading and unloading, spreading rip rap, trimming trees, and other functions.
Remember that the toad requires uplands, it cannot burrow into rip rap or into soil-cement bank stabilizers.
LIVINGSTON, Texas -- The repair to the upstream slope protection, or large rock surface called rip rap, on the northern face of Lake Livingston Dam is substantially complete, ahead of schedule.
They have installed many different solutions which include erosion-control blankets, terraces, drains, Rip Rap, and concretes mats.
The bank stabilization may include rip rap (boulders), granite and soil cement.
If rip rap is used to make the repairs it will probably come from central Texas, but it will first have to be shipped by rail to Livingston.
5 tn mulch; 1 ea construction exit; 4 ea construction rip rap check dams, stone plain riprap; 1,458 lf maintenance of construction exit; 2 ea water quality monitoring and sampling; 2,917 lf temp silt fence type c; 168 lf 48" rcp storm drain pipe; 136 lf 18" side drain pipe; 192 sy stone dumped rip rap type 3; 192 sy plastic filter fabric; 4.
A decision to stabilize the pipeline and shoreline with a combination of rock rip rap and concrete mats proved to be the most economical.
The earthen embankment is protected from water erosion by rip rap, large 30 inch diameter stones, on the lake side of the dam.