Patent ID: 6688810
Filing Date: 2004-02-10
Classification: E02B

Abstract:
An assembly of revetments made wholly or predominantly from concrete, useful to line a stream bed, comprising:at least two revetments, each including a substantially rectangular body having upper and lower surfaces the upper surface having an upstream edge along one side of the substantially rectangular body and a downstream edge along an opposite side of the substantially rectangular body, and a bevel in the upper surface along substantially the entirety of the upstream edge the bevel presenting a shorter body along the upstream edge than the body along the downstream edge; and an array of holes extending between the upper and lower surfaces, said holes intersecting said substantially smooth upper surface and at their upper ends flaring outwardly in a downstream direction; the revetments being assembled with the downstream edge of one said revetment positioned adjacent the upstream edge of the other revetment and with the downstream edge of said one revetment disposed above the upstream edge of the other revetment.