| 摘要 |
PROBLEM TO BE SOLVED: To provide a structure of a new road drain ditch capable of reducing weight with good workability in comparison with the conventional concrete product, having the excellence in a collecting function and durability and simply, easily, efficiently and completely carrying out the inspection cleaning thereof. SOLUTION: The structure of the new road drain ditch comprises a box-shaped collecting box section 11 embedded inside of the road surface, a gutter section 20 integrally provided on the upper part of the collecting box section and a led section 30 provided on the upper part of the gutter section, the collecting box section is constituted as a road material coated section 12 boring a large number of water permeable holes 13 in one side of the upper part forming the ditch section, the gutter section is so formed that it is connected to the collecting section with the lower part and that the upper part is exposed to the road surface and, at the same time, a plurality of water permeable holes 22 are bored in a gutter wall section 21 facing the road material coated section side. COPYRIGHT: (C)2005,JPO&NCIPI
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