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Urban water disaster mitigation joint groove
Urban water disaster mitigation joint groove
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机译：城市水灾减灾联合沟
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摘要
[PROBLEMS] To provide an urban-type flood damage countermeasure common ditch that can be shared in rivers and sewerage facilities when there is a danger of flood damage and can be shared by various beneficiaries by making it a multipurpose common ditch. SOLUTION: Under a road having a sewerage 5 (rainwater drainage) connected to a riverside road 9 (management passage, etc.) and a river 6 in an urban area, a common ditch 1 having a storage capacity (hereinafter referred to as a common ditch type reservoir). ), And the riverbank revetment has a notch (overflow) that runs vertically longer than the planned high water level of 11 or more (within the margin) and sewer pipes over the facility planned water level (the margin of the cross section). Weirs) are provided to prevent flooding by overflowing from both sides to the common ditch-type reservoir, and when the common ditch-type reservoir is full and the river water level is low, the drainage port 8 allows the river from the common ditch-type reservoir. It will be an urban-type flood damage countermeasure common ditch that can be used in rivers and sewers. [Selection] Figure 6
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