Patent ID: 6402426
Filing Date: 2002-06-11
Classification: E02B

Abstract:
A structure simulating a log jam for controlling the stream flow characteristics which comprises:a first log layer placed adjacent a stream bottom, the first layer comprising at least two spaced apart logs placed generally parallel to each other and to the direction of stream flow; a second log layer for controlling the stream flow direction comprising at least two spaced apart logs placed atop and resting upon the first layer of logs, the logs of the second layer crossing and being attached to each log of the first layer, one of the second layer logs being located upstream and generally transverse to the direction of stream flow, the logs of the second layer being oriented with respect to each other so that one end of the logs is more widely separated than the other end and projections of the longitudinal axes of the logs converge; and a third log layer above the second layer to further direct stream flow, the third layer comprising a plurality of spaced apart logs placed so as to cross and rest upon the logs of the second layer, the logs of the second and third layers being attached to each other.