【作者】 徐平；

【导师】 周志芳；

【作者基本信息】 河海大学 ， 地质工程， 2007， 硕士

【摘要】 抽水蓄能电站是一种特殊形式的水电站，是电力系统最理想的调峰电源。抽水蓄电站库盆蓄水渗漏问题不仅关系到电站的运行效益更影响到电站生产的安全性。本文运用地下水动力学理论，对抽水蓄能电站库盆渗漏问题进行了较为系统的研究，得到了一些有意义的结论。本文主要研究工作包括：(1)分析抽水蓄能电站上水库库盆所处位置地质体的渗透特性和库盆蓄水对该地区地质体和地下水的影响。以江西洪屏抽水蓄能电站为例介绍了环境地质情况，分析了电站选址区域的地质条件。(2)论述示踪试验的应用原理，分析了根据示踪试验接受到的示踪剂浓度随时间变化曲线判断客观存在的库盆渗漏通道，并对渗漏通道进行定性的描述。应用示踪试验对洪屏抽水蓄能电站的库盆渗漏情况进行论证并估算上下水库岩体裂隙通道的当量渗透系数值。(3)研究岩体裂隙结构面根据产状分类的方法，介绍计算岩体裂隙渗透系数的原理。应用聚类分析方法对洪屏抽水能电站的库盆处岩体裂隙结构面进行分类，分析岩体裂隙的渗透性。(4)研究抽水蓄能电站蓄水期间地质体的渗漏模型，并提出与之相对应的渗漏量的计算方法和蓄水后地下水位的估算方法。以洪屏抽水蓄能电站为例计算库盆蓄水期间和蓄水后库底的渗漏量。更多还原

【Abstract】 The pumped-storage power station is a special hydrodynamic power station. It is the most perfect power in power system. reservoir basin leakage in pumped-storage station not only affect the benefit of circulating but affect security of its producing. Based on some theory, reservoir basin leakage was comprehensively studied with the analytical method in this paper and some useful conclusion were obtained. The main studies of this paper were as following:(1) The penetrability of the medium which compose the base of reservoir basin and the affection of slucing were analyzed in this paper. The circs of geology in Hong Ping pumped-storage power station was introduced and the conditions of geology was analyzed by the author.(2) he author narrated the theory of tracing experiment , analyzed the outcome of tracing experiment to judge the alleyway of seepage, and found out reservoir basin seepage in Hong Ping pumped-storage power station, and estimated the permeability coefficient of cranny.(3) The method of classifying of cranny by joints occurrence in rock mass was studied. The theory of estimating the permeability coefficient of cranny in rock mass was introduced. The author classified the cranny in rock mass of Hong Ping pumped-storage power station by cluster analysis.(4) The seepage model the epoch of sluicing in pumped-storage power station was studied in this paper. The author brought forward the method of quantifying of seepage, and the level of groundwater after sluicing, which are correspond to the seepage model. Calculated the quantity of seepage in Hong Ping pumped-storage power station during sluicing and after sluicing by author.更多还原