潘谢矿区灰岩水文地质条件及地下水动态特征研究

发布时间：2018-02-24 06:38

本文关键词： 潘谢矿区灰岩地层富水性地下水动态影响因素　出处：《安徽理工大学》2015年硕士论文　论文类型：学位论文

【摘要】：淮南煤田位于华北煤田南缘,地质条件复杂,矿山在开采过程中受到各种水害的威胁。随着开采增加,底板灰岩突水概率增大。系统开展水文地质条件分析和地下水动态特征研究,为矿山水害防治提供一定基础,对于煤炭安全开采具有十分重要的意义。本文通过查阅相关文献,以潘谢矿区为研究对象,系统整理分析区内水文地质基础资料,分析灰岩地层、构造地质异常体形态特征、水文地质条件、含水层的结构、水文地球化学特征、地下水的补、径、排特征,以及灰岩地层之间的水力联系,并利用区内抽放水试验数据,分析其富水性规律及影响因素等。为进一步弄清潘谢矿区灰岩深部开采水文地质条件,系统分析研究了张谢矿区和潘集矿区的水位、水质、水温等动态特征及其影响因素。结果表明：潘谢矿区水文地质补给边界具有很好的隔水性,矿区复向斜内部裂隙、断层较发育,地下水径流条件良好；且矿山开采期间补给量小于疏放量,消耗内部存储量；地质构造是影响灰岩水动态控制因素,而疏放则是地下水动态变化外界诱发因素。
[Abstract]:Huainan coalfield is located in the southern margin of North China coalfield. The geological conditions are complex and the mines are threatened by various kinds of water hazards in the course of mining. With the increase of mining, The analysis of hydrogeological conditions and the study of groundwater dynamic characteristics are carried out systematically, which provides a certain foundation for the prevention and control of mine water hazards, and is of great significance for the safe mining of coal. By referring to relevant documents and taking Panxie mining area as the research object, this paper systematically arranges and analyzes the basic hydrogeological data, the limestone strata, the morphological characteristics of structural geological anomalies, the hydrogeological conditions and the structure of the aquifer. Hydrogeochemical characteristics, groundwater recharge, diameter, drainage characteristics, and the hydraulic relationship between limestone strata are analyzed. The water-rich law and influencing factors are analyzed by using the test data of pumping water in the area. In order to further understand the hydrogeological conditions of deep limestone mining in Panxie mining area, the water level and water quality of Zhangxie and Panji mining areas are systematically analyzed and studied. The results show that the hydrogeological recharge boundary in Panxie mining area has good water-repellent, the complex inclined internal fissure, the fault is relatively developed, and the groundwater runoff condition is good. During mining period, the recharge is smaller than the thinning amount, and the internal storage is consumed; the geological structure is the influence factor of limestone water dynamic control, and the thinning is the external inductive factor of groundwater dynamic change.
【学位授予单位】：安徽理工大学
【学位级别】：硕士
【学位授予年份】：2015
【分类号】：P641.4

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