River water water storage facility, flow rate control method of water flow of river water to the water storage facility, and, sediment deposition methods of river water to water storage facility

摘要

PROBLEM TO BE SOLVED: To provide a river water storage facility capable of enduring sufficiently a dash of water flowing into a reserving facility in case of flooding, and usable over a long period.;SOLUTION: This river water storage facility includes an overflow weir 6 faced to a riverbank, a river water storage part 2 formed in a rear side of the overflow weir 6, provided by digging down the ground face of a river terrace, to store the river water flowing over the overflow weir 6, and arranged three-dimensionally with resin skeleton blocks 11 in its inside, and a concrete deceleration block 8 provided between the river water storage part 2 and the overflow weir 6, to decelerate a flow velocity of the river water.;COPYRIGHT: (C)2011,JPO&INPIT