Importance

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Abstract

An articulated erosion control system provides a flexing articulated mat comprising a plurality of blocks which interlock in a three dimensional fashion allowing a mat formed of the blocks to conform to changes in terrain. In the preferred embodiment there is provided at least one 'lock block' (FIG. 1) having a plurality of open ended sockets spaced about the periphery thereof and at least one 'key block' (FIG. 2) being connectable during operation to the lock block; the key block providing a plurality of locking arms spaced about and integrally formed with a central portion of the key block. Connection of the lock block and the key block can be achieved by relative vertical movement of the key block towards the lock block when the key block locking arm is superimposed over the open ended socket of the lock block--the connection being completed when a portion of the locking arm occupies at least in part the space within the socket. The socket is narrowed at its intersection with the peripheral wall portion of the lock block. The tip portion of the key block locking arm is enlarged thus disallowing relative motion between the key block and the lock block in a generally horizontal direction once the locking integral arm and socket are connected. In the preferred embodiment, the key block and lock block are each integrally formed--being, for example, of concrete or the like material. The blocks may have wave energy absorbing elements projecting from their upper surfaces.

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First Claim