BOUNDARY WATER-CONVEYANCE BLOCK AND WATER-CONVEYANCE STRUCTURE USING BOUNDARY WATER-CONVEYANCE BLOCK

摘要

To provide a boundary water-conveyance block that can improve drainage capacity, and a conduit structure that uses the boundary water-conveyance block.SOLUTION: A boundary water-conveyance block 1 having a horizontally long block-shaped curb portion 2 and an apron portion 3 that extends laterally from at least one of facing lower portions on the back surface side of the curb portion 2 and is laid along the boundary between a road R1 and a sidewalk R2; the bottom surface of the boundary water-conveyance block 1 is provided in the longitudinal direction with a drainage space portion 10 whose lower surface is opened and recessed upward; an end surface of the drainage space portion 10 is opened to an end surface of the boundary water-conveyance block 1; water inlets 13 and 18 are opened at the corners where the lateral surface of the curb portion 2 and the upper surface of the apron portion 3 intersect; and introduction passages 14 and 19 leading from the water inlets 13 and 18 to the drainage space portion 10 are formed inside thereof.SELECTED DRAWING: Figure 1