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WATER PERMEABLE CONCRETE PRODUCT FOR TRENCH AND CONSTRUCTION METHOD FOR WATER PERMEABLE CONCRETE PRODUCT FOR TRENCH
WATER PERMEABLE CONCRETE PRODUCT FOR TRENCH AND CONSTRUCTION METHOD FOR WATER PERMEABLE CONCRETE PRODUCT FOR TRENCH
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机译:沟槽透水混凝土产品及沟槽施工方法
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摘要
PROBLEM TO BE SOLVED: To solve a problem wherein, when a longitudinal circular catch basin is provided to heighten the collecting capability, the thickness of a member of a U-shaped drainage trench is increased due to overcoming shortage of the strength, so that the weight is increased to lower the work efficiency in the U-shaped drainage trench with a lid for constructing a trench for drainage installed in a ballast between railway tracks.;SOLUTION: This water permeable concrete product for a trench constructs a trench in the vicinity of the track of the railway by connecting the plurality of concrete products. This concrete product includes a pair of opposite side walls; and a base plate connecting the lower end parts of the side walls to each other, wherein at least one side wall includes a trench member having a plurality of through holes for passing water existing outside after installation; and a lid member at least a part of which is in contact and held between the side walls of the trench member. The trench member contains high-tension deformed reinforcing bar in the side walls and the base plates and it is formed of high-strength concrete.;COPYRIGHT: (C)2008,JPO&INPIT
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