U-SHAPED SIDE DITCH BLOCK EQUIPPED WITH OVERFLOW PIPE, AND ROADSIDE DITCH USING THE SAME

摘要

PROBLEM TO BE SOLVED: To provide a U-shaped side ditch block 10 which is equipped with an overflow pipe and prevents garbage, sediment, etc, floating on a surface of rainwater flowing through a side ditch from flowing into the overflow pipe.;SOLUTION: First and second shuttering boards 30 and 40 are mounted to the side of a lateral wall 11 fitted with the overflow pipe 27 of the U-shaped side ditch block 10. The first shuttering board 30 has an upper end 31 positioned above the overflow pipe 27, and the second shuttering board 40 has a gap 42 formed between its lower end 41 and a bottom plate 13, and has an upper end positioned above the upper end 31 of the first shuttering board 30.;COPYRIGHT: (C)2011,JPO&INPIT