| 摘要 |
PURPOSE: A revetment block is provided to protect a riverbed by constructing on the slope of the revetment or underwater bottom and protect an ecosystem by making environmental-friendly revetment blocks. CONSTITUTION: A revetment block includes a round block body(1), projections(2), a through hole(3), a groove(4), and connection hooks(5). The projections project from three portions of the upper and lower surfaces of the block body for connecting other block bodies. The through hole is formed at the center of the block body to prevent slip and insert the projections. The groove is formed on the side of the block body and used as a fish way when the block bodies are the assembled. The connection hooks are formed at three portions of a side central portion of the block body to serve for connecting other block bodies.
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