| 摘要 |
A block for the waterway of a river is provided to prevent the overflow of a river due to the drainage of the water in case the flowing water of the bank is swollen due to heavy rain. A block for the waterway of a river comprises an inner wall(24), an outer wall(25) and a bottom plate(47). The inner and outer walls are downwardly protruded from the both edges of an upper surface(28). In the inner and outer walls, an inner space(36) is formed. In the lower edge of the inner and outer walls, a fixture(50) is formed. An inlet port(35) is formed at the upper side of the outer wall. A binding hole is formed at the upper surface. In the bottom plate, an assembling rib(49) in which a fixture(50') is formed is formed. In the fixture of the bottom plate, a fixture of the inner and outer walls is assembled. |
