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1 工程概况沟水坡水库位于黄河支流好阳河下游河南省灵宝市大王镇境内的沟水坡村旁,是一座以灌溉为主,结合防洪、发电、养殖的中型水库。大坝上游距陇海铁路跨好阳河桥约4km,下游距黄河三门峡水库库区约9km,坝址以上流域面积129km~2,干流长30.64km,干流比降1/44.15.该水库于1959年11月动工兴建,1960年7月建成投入使用,水库水源为跨流域引水和本流域集水。水库防洪标准为50年一遇洪水设计,1000年一遇洪水校核。水库正常蓄水位429.0m,相应库容724万 m~3;50年一遇设计水位433.68m,相应库容1056万 m~3;1000年一遇校核水位436.75~m,相应库容1328万 m~3。设计灌溉面积
1 Project Overview Gully slope reservoir is located in the lower reaches of the Yellow River tributary of Yang River in Henan Province Lingbao Dawang Township, within the ditch next to the water, is a mainly irrigation, combined with flood control, power generation, breeding medium-sized reservoirs. The upstream of the dam is about 4km from Yanghe Bridge across the Longhai Railway and about 9km downstream from the Sanmenxia Reservoir of the Yellow River, with an area of 129km ~ 2 above the dam site, with a length of 30.64km and a ratio of 1 / 44.15 down the main stream. Started construction in November of this year, completed and put into use in July 1960, the water source of the reservoir is inter-basin diversion and watershed catchment. The flood control standard of the reservoir is 50-year-old flood design, 1000 flood-once check. The normal storage level of the reservoir is 429.0m and the corresponding storage capacity is 7.24 million m ~ 3. In 50 years, the designed water level is 433.68m and the corresponding storage capacity is 10.56 million m ~ 3. In 1000, the once-checked water level is 436.75 m and the corresponding storage capacity is 13.28 million m ~ 3. Design irrigation area