Rip Rap (also Riprap) A facing layer (protective cover) of stones placed to prevent erosion or the sloughing off of a structure or embankment. A layer of man-made hard, durable material for bank protection and stabilization usually consisting of rock or stone. On steeper inclines, the stones may be secured with wire on some form of link fencing material. Also, a layer of large 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 a protection against waves, ice action, and flowing water. Very large rip rap is sometimes referred to as Armoring.
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Author of the Water Words Dictionary source of text: Gary A. Horton
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