| 摘要 |
PROBLEM TO BE SOLVED: To provide a block for a gutter substantially shaped like a gate, simply installable with a little man-hours. SOLUTION: This block for a gutter is formed by a top plate 1 having a large opening part 8, and both side plates 2, 2, and the lower ends of the side plates 2, 2 are provided with cutout pars 5, 5, formed by cutting out the inside thereof. The block is disposed on crushed rock 7, and concrete is cast from the opening part 8 to install the block.
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