Fishway block and construction method for fishway

The present invention is based on the block; Non-overflow blocks to be provided in the central upper portion of the base block and; Is provided on the upper sides of the base block, the upper side is a gentle curve shape, the overflow block is lower than the height of the overflow non-block; And wherein the base block is related to a plurality of grooves and, even if the block is embedded in the base block and a connection member which is exposed on one side of the groove which is provided on each front and rear. By using the present invention, even if the installation of the overflow block and the non-overflow blocks to the upper base block of the block, since the one even block of having month ryubu and non-overflow portion and is possible a small wound and the rest of the fish at the same time, facilitate the handling and installation by, efficient, and integrating the area of ​​reinforced concrete bottom plate the first construction, and even the least by connecting the connecting member and the reinforced concrete bottom plate block and RC provided in the block bottom plate on which to install the least, the structural stability and a can be secured, the material cost, transportation costs, and sigongbi is reduced and increase the economical efficiency, it is possible to construction a block even easier to ground the curved or bent shape, and may be required to repair the damaged part of the even block complement that can be easily and provides the effect of reducing the cost of construction.