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故县水库位于河南省洛宁县境内,是黄河支流洛河上的一座大型水库。1978年复工,由黄委会勘测规划设计院设计,水利部第一工程局施工。大坝为混凝土重力坝,最大坝高121米,长315米,总库容11.6亿立米。水库建成后可减轻黄河下游洪水的威胁;提高洛河川区50余万亩农田灌溉的保证率;给洛阳西北部塬区农田灌溉创造了有利条件。装机6万千瓦,年发电1亿八千万度。根据故县水库坝址水文、地形、地质条件,采用隧洞及过水围堰导流方式,一般来水由导流隧洞渲泄,汛期较大洪水由过水围堰及导流隧洞共同渲泄。
Therefore, the county reservoir is located in Luoning County, Henan Province, is the Yellow River branch Luohe a large reservoir. Rework in 1978, by the Planning and Design Institute of the Yellow River Survey Design, Ministry of Water Resources Engineering Construction Bureau. Dam is a concrete gravity dam, the maximum dam height of 121 meters, 315 meters long, total storage capacity of 1.16 billion cubic meters. After the completion of the reservoir, it can reduce the threat of flood in the lower reaches of the Yellow River; increase the guarantee rate of more than 500,000 mu of farmland in Luohe River Basin; and create favorable conditions for farmland irrigation in the highland of northwestern Luoyang. Installed 60,000 kilowatts, annual power 180 million degrees. According to the hydrology, topography and geological conditions of the dam site of Guxian Reservoir, the tunnel and overcaddy diversion method are adopted. In general, incoming water is rendered by the diversion tunnel, and floods during the flood season are jointly expelled by the cofferdams and diversion tunnels.