本文選題：水文地質(zhì) + 煤礦防治水�。� 參考：《西安科技大學(xué)》2017年碩士論文

【摘要】：在我國,大部分煤礦都位于區(qū)域水文地質(zhì)條件較復(fù)雜的地區(qū)。在開采過程中,煤層頂板砂巖導(dǎo)水裂隙帶及垮落帶隨煤層開采發(fā)育,煤層頂板以上的承壓水、潛水通過斷層帶、導(dǎo)水裂隙帶涌入或滲入采區(qū),從而引發(fā)礦井突水。同時,充水含水層富水性分布的不均一性,也增加了防治水工作的復(fù)雜性。因此,對礦井水文地質(zhì)特征及煤層頂板富水性分區(qū)進(jìn)行研究,根據(jù)結(jié)果因地制宜地為煤礦制定防治水措施及方案,對煤礦安全生產(chǎn)及生產(chǎn)效益具有十分重要的意義。本文以梅花井煤礦首采區(qū)為背景,通過對煤礦勘探資料及水文地質(zhì)勘探資料進(jìn)行分析及處理,研究梅花井礦區(qū)井田地質(zhì)條件及水文地質(zhì)條件,分析影響首采區(qū)的主要含水層。確定涌水量計算參數(shù),并對涌水量進(jìn)行計算與預(yù)測。利用瞬變電磁勘探方法對首采區(qū)工作面的充水條件及斷層帶進(jìn)行探查。研究煤層兩帶發(fā)育高度,對煤層頂板冒裂安全性、富水性進(jìn)行分區(qū)。通過以上研究成果對煤層頂板涌(突)水危險性進(jìn)行評價,提出了首采區(qū)防治水建議。本研究以梅花井煤礦首采區(qū)工作面水文地質(zhì)條件分析與富水性分區(qū)為重點,在一定程度上為煤礦防治水措施提供理論依據(jù),具有良好的經(jīng)濟(jì)和社會效益。
[Abstract]:In China, most coal mines are located in areas with complex hydrogeological conditions. In the process of mining, the water-conducting fissure zone and the caving zone of the roof sandstone of coal seam develop with the coal seam mining. The confined water above the coal seam roof, diving through the fault zone and the water-conducting fissure zone pour into or infiltrate into the mining area, thus causing the water inrush of the mine. At the same time, the heterogeneity of water-rich distribution in water-filled aquifer also increases the complexity of water prevention. Therefore, it is of great significance to study the characteristics of mine hydrogeology and the water-rich subdivision of coal seam roof, and according to the results, to formulate water prevention measures and schemes for coal mines in accordance with local conditions, which is of great significance to the safety production and production benefit of coal mines. Based on the first mining area of Meihua coal mine, the geological conditions and hydrogeological conditions of the mine field in Meihua well mining area are studied through the analysis and processing of the exploration data and hydrogeological exploration data, and the main aquifers affecting the first mining area are analyzed. The calculation parameters of water inflow are determined, and the water inflow is calculated and forecasted. The transient electromagnetic exploration method is used to explore the water filling condition and fault zone of the face in the first mining area. The development height of two zones of coal seam is studied. Based on the above research results, the water risk of roof gushing in coal seam is evaluated, and suggestions for water control in the first mining area are put forward. This study focuses on the analysis of hydrogeological conditions and water-rich zoning in the first mining area of Meihua Coal Mine, to a certain extent, provides the theoretical basis for the measures of preventing and controlling water in coal mines, and has good economic and social benefits.
【學(xué)位授予單位】：西安科技大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2017
【分類號】：TD745;P641.461

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