Study on dredging pilot project scheme of Guanting Reservoir
Guanting Reservoir is located at the junction of Yongding River,Hebei Province and Beijing City.The dam site is located in Huailai County,Hebei Province.It is the first large reservoir built after the liberation of China.Since the construction of the reservoir,the amount of sediment in the reservoir is large,and the sediment in the reservoir is almost all deposited in the reservoir.The total amount is 656 million m3.According to the analysis of the deposition of Guanting Reservoir,the dredging pilot project adopts hydraulic dredging process equipment to remove the sediment from the barrage and funnel area.At the same time,the sediment is inerted and disposed in the heavy metal hazard area of Yongku Reser-voir,and the hidden danger of flood discharge buildings in front of the water conveyance and flood dis-charge tunnel is eliminated,so as to achieve the multiple purposes of removing the deposition at the bot-tom of the reservoir,emptying the flood storage capacity and removing the pollution in the reservoir ar-ea.The scheme of dredging pilot project of Guanting Reservoir can solve the urgent problems of flood control,water resources connectivity and water quality safety caused by long-term sedimentation in the reservoir area,and provide reference for the mode of dredging and resource utilization of similar reser-voirs.
Guanting Reservoirdredgingdisposal of dredged soilresource utilization
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