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洛宁县长水电站渠首位于长水水文站上游洛河干流上,控制流域面积6,134平方公里,建国以来出现的最大流量为3,310秒立米,渠首枢纽担负着长水等三座电站的取水任务,设计引水流量32.5秒立米,总装机容量1.96万千瓦,多年平均发电量10,731万度。洛河是黄河干流上一条较大的支流,特点是洪水流量大,河床不稳定,在洛河上建坝是缺乏经验的,该渠首坝为混凝土桩板坝详见图1。坝高3.8米,宽17米,长88米。于1977年5月建成,当年7月被405秒立米的洪水冲垮了30米。1978年按原坝断面进行了修复,
The head of Luoning County Changshu Hydropower Station is located on the main stream of the Luohe River at the upper reaches of Changshui Hydrological Station with a controlled catchment area of 6,134 square kilometers. The maximum flow rate since the founding of the PRC was 3,310 cubic meters. Design diversion flow of 32.5 seconds, with a total installed capacity of 19,600 kilowatts, the average annual generating capacity of 107.31 million degrees. Luohe is a large tributary of the Yellow River. It is characterized by large flood flow and unstable riverbed. It is inexperienced to build a dam on Luohe. The dam is a concrete dam with dam as shown in Figure 1. The dam is 3.8 meters high, 17 meters wide and 88 meters long. Built in May 1977, it was crushed 30 meters by a flood of 405 seconds in July of that year. According to the original dam section in 1978 was repaired,