發(fā)布時(shí)間：2018-04-24 05:11

  本文選題：五溝煤礦 + 水文地質(zhì)條件　； 參考：《安徽理工大學(xué)》2013年碩士論文

【摘要】：五溝煤礦位于宿南-臨海童井田的童亭背斜的西南角,是我國典型的華北型煤礦開采類型,深受其底部各種高承壓灰?guī)r水威脅。研究其宏觀與微觀水文地質(zhì)條件,采取行之有效防治水方法與措施,對解放煤炭資源,具有十分重要的意義。 論文在查閱國內(nèi)外相關(guān)灰?guī)r水防治研究現(xiàn)狀文獻(xiàn)資料基礎(chǔ)上,以皖北五溝煤礦10煤層開采為研究對象,通過系統(tǒng)整理分析區(qū)域及礦井地質(zhì)及水文地質(zhì)資料,獲得了井田內(nèi)灰?guī)r含水層之間水力聯(lián)系、斷層導(dǎo)、隔水水性以及充水水源等信息,并分析礦井工作面在疏放-注漿過程中不同含水層水位的響應(yīng)關(guān)系,從而獲得了斷層控制區(qū)塊的連通程度。通過對底板灰?guī)r含水層邊界、結(jié)構(gòu)厚度及補(bǔ)徑排條件的分析,建立了水文地質(zhì)概念模型及數(shù)學(xué)模型,運(yùn)用Visual Modflow軟件模擬識(shí)別了其水文地質(zhì)參數(shù)。 針對1021、1023及1025工作面底板灰?guī)r水害情況,利用上述模型,結(jié)合突水系數(shù),計(jì)算并評(píng)價(jià)了兩種方案下的灰?guī)r水疏放效果,預(yù)測了安全開采條件下的地下水流場變化規(guī)律。 系統(tǒng)總結(jié)分析了該礦10煤層底板灰?guī)r水防治方法與技術(shù),即直流電法勘探、音頻電透視技術(shù)以及無線電波坑透技術(shù)的超前探測技術(shù)、疏水降壓與注漿加固技術(shù)等,以上是解決該礦高承壓灰?guī)r水上采煤最有效途徑與措施。 最后,依據(jù)五溝煤礦充水含水層水質(zhì)組分特點(diǎn),研發(fā)了“五溝煤礦突水水源判別與分析系統(tǒng)”軟件,為快速判別分析突水水源提供了最直接有效手段。
[Abstract]:Wugou Coal Mine is located in the southwest corner of Tongting anticline , which is a typical North China coal mining type , which is deeply threatened by various high pressure - bearing limestone water at the bottom of China . It is very important to study the macroscopic and microscopic hydrogeologic conditions , and to adopt effective methods and measures to prevent and cure coal resources .

Based on the literature and data of the research on the prevention and control of limestone water at home and abroad , this paper takes 10 coal seams in Wugou Coal Mine of Anhui Province as the research object . Through systematic analysis and analysis of regional and mine geological and hydrogeologic data , this paper obtains the information of hydraulic connection , fault conductivity , water - proof and water - filling water level of limestone aquifer in the well field , and analyzes the relationship between the water level of different aquifer in the process of dredging and grouting , and establishes the conceptual model and mathematical model of hydrogeologic geological model . The hydrogeological parameters are identified by using the Visual Modflow software simulation .

According to the water damage condition of the bottom plate of 1021 , 1023 and 1025 working faces , using the above model , combined with the number of water inrush systems , the effect of limestone water drainage under the two schemes is calculated and evaluated , and the variation law of groundwater flow field under safe mining conditions is predicted .

The system summarizes the methods and technologies of prevention and control of limestone water in the bottom floor of 10 coal seam of the mine , that is , direct current electric prospecting , audio power transmission technology and advanced detection technology of radio wave pit transmission technology , hydrophobic step - down and grouting reinforcement technology , etc . , which is the most effective way and measure to solve the problem of high pressure - bearing limestone on water .

Finally , according to the characteristics of water quality component of water - filled aquifer in Wugou Coal Mine , the software of " Water Source Identification and Analysis System for Water inrush of Wugou Coal Mine " is developed , which provides the most direct and effective means for quick discriminant analysis of water inrush sources .

【學(xué)位授予單位】：安徽理工大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2013
【分類號(hào)】：TD745

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本文編號(hào)：1795287