本文選題：煤炭資源 + 開采沉陷��； 參考：《中國地質(zhì)大學(xué)(北京)》2015年碩士論文

【摘要】：開采沉陷是煤炭資源開發(fā)引起的礦山環(huán)境問題之一,建立開采沉陷影響因素與治理方法間的關(guān)聯(lián)性對煤炭開采沉陷治理工作具有重要指導(dǎo)作用,開采沉陷地質(zhì)環(huán)境響應(yīng)作為關(guān)聯(lián)性研究的重要環(huán)節(jié)其研究意義顯著。目前開采沉陷治理對開采沉陷的影響因素、地表變形特點及其對治理技術(shù)的要求等方面關(guān)注不夠,對開采沉陷治理技術(shù)與地質(zhì)環(huán)境背景、開采開發(fā)條件等客觀因素的關(guān)聯(lián)性研究不足。本文根據(jù)內(nèi)蒙古自治區(qū)開采沉陷調(diào)查工作,整理了前人對開采沉陷類型、特點、機理等方面的研究,厘定開采沉陷主要影響因素。根據(jù)正交試驗的思路構(gòu)建開采沉陷影響因素數(shù)值模擬模型,采用FLAC3D數(shù)值模擬進行開采沉陷對各個影響因素的敏感性分析,結(jié)合內(nèi)蒙自治區(qū)開采沉陷的現(xiàn)狀,總結(jié)了不同因素影響下開采沉陷導(dǎo)致的地面變形的特點,并結(jié)合內(nèi)蒙開采沉陷工程實例介紹了開采沉陷地質(zhì)環(huán)境響應(yīng)分析的工程應(yīng)用。本文根據(jù)對開采沉陷影響因素及其地質(zhì)環(huán)境響應(yīng)的分析,得出以下幾點認識和成果:(1)通過內(nèi)蒙古自治區(qū)煤炭礦山開采沉陷調(diào)查,整理得到典型礦區(qū)開采沉陷發(fā)生情況與發(fā)生特點。(2)敏感性分析表明,開采沉陷地表變形破壞程度最大的因素組合為:“70+30采深”+“粘土”+“負地形”+“軟巖”+“60°(急傾煤層)”;開采沉陷影響因素中,覆蓋層性質(zhì)和地形條件敏感性不顯著,開采深度敏感性顯著,巖性組合與煤層產(chǎn)狀敏感性高度顯著。(3)開采深度影響開采沉陷的地質(zhì)環(huán)境響應(yīng)表現(xiàn)為地表影響范圍及變形深淺;巖性組合對開采沉陷地質(zhì)環(huán)境響應(yīng)的影響體現(xiàn)在地表變形、破壞的程度和形狀;煤層產(chǎn)狀對開采沉陷地質(zhì)環(huán)境響應(yīng)的影響主要表現(xiàn)在發(fā)生變形破壞后開采沉陷變形區(qū)底部形態(tài)方面。(4)通過開采沉陷各影響因素地質(zhì)環(huán)境響應(yīng)特點與治理技術(shù)的關(guān)系,構(gòu)建了地質(zhì)環(huán)境背景與開采沉陷治理技術(shù)的關(guān)聯(lián)性。(5)以大雁一礦緩傾煤層煤礦和白云煤礦急傾斜煤礦為例,分析得出了開采沉陷的發(fā)展趨勢:大雁一礦開采沉陷可能繼續(xù)發(fā)生,主要以沉陷盆地為主,局部可能發(fā)生塌陷坑,沉陷盆地變形均勻、完整;白云煤礦開采沉陷可能繼續(xù)發(fā)生,主要以塌陷坑為主,局部發(fā)生塌陷槽,塌陷坑或塌陷槽底部不平整。
[Abstract]:Mining subsidence is one of the mining environmental problems caused by the exploitation of coal resources. The environmental response of mining subsidence as an important link in the study of correlation is of great significance. At present, the influence factors of mining subsidence treatment on mining subsidence, the characteristics of surface deformation and the requirements of remediation technology are not enough, and the mining subsidence treatment technology and geological environment background are not enough. Research on the relevance of objective factors such as mining and development conditions is insufficient. Based on the investigation of mining subsidence in Inner Mongolia Autonomous region, this paper has sorted out the previous researches on the types, characteristics and mechanism of mining subsidence, and determined the main influencing factors of mining subsidence. According to the idea of orthogonal test, the numerical simulation model of influencing factors of mining subsidence is constructed, and the sensitivity of mining subsidence to each factor is analyzed by using FLAC3D numerical simulation, combined with the present situation of mining subsidence in Inner Mongolia Autonomous region. This paper summarizes the characteristics of surface deformation caused by mining subsidence under the influence of different factors, and introduces the engineering application of mining subsidence geological environment response analysis combined with the example of mining subsidence engineering in Inner Mongolia. Based on the analysis of the influencing factors of mining subsidence and its geological environment response, this paper draws the following conclusions and achievements: (1) through the investigation of coal mining subsidence in Inner Mongolia Autonomous region, Finally, the occurrence and characteristics of mining subsidence in typical mining areas are obtained. (2) sensitivity analysis shows that, The most serious factors of surface deformation and failure in mining subsidence are as follows: "7030 mining depth," clay "," negative topography, "soft rock", "60 擄(steep coal seam)", and among the factors affecting mining subsidence, The sensitivity of overburden property and topographic condition is not significant, the sensitivity of mining depth is significant, the sensitivity of lithologic combination and coal seam occurrence is highly significant. (3) the geological environment response of mining depth affecting mining subsidence is as follows: surface influence range and deformation depth; The effect of lithologic combination on the geological environment response of mining subsidence is reflected in the degree and shape of surface deformation, damage and damage. The influence of coal seam occurrence on the geological environment response of mining subsidence is mainly manifested in the bottom shape of mining subsidence deformation area after deformation failure. (4) the relationship between the geological environment response characteristics of mining subsidence and the treatment technology is discussed. The relationship between geological environment background and mining subsidence treatment technology is constructed. (5) taking the coal seam with gentle dip and the steep inclined coal mine in Baiyun Coal Mine as examples, the development trend of mining subsidence is obtained: mining subsidence may continue to occur in Dayanyi Mine. The subsidence basin is mainly composed of subsidence basin, local collapse pit may occur, the subsidence basin deformation is uniform and intact; Baiyun coal mine mining subsidence may continue to occur, mainly in collapse pit, local collapse trough, collapse pit or collapse trough bottom is uneven.
【學(xué)位授予單位】：中國地質(zhì)大學(xué)(北京)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2015
【分類號】：P642.26

【參考文獻】

中國期刊全文數(shù)據(jù)庫 前8條

1 趙衛(wèi)強;孟晴;;國內(nèi)外礦山開采沉陷研究的歷史及發(fā)展趨勢[J];北京工業(yè)職業(yè)技術(shù)學(xué)院學(xué)報;2010年01期

2 孫超;薄景山;劉紅帥;齊文浩;;采空區(qū)地表沉降影響因素研究[J];吉林大學(xué)學(xué)報(地球科學(xué)版);2009年03期

3 李摯萍;;環(huán)境基本法的發(fā)展脈絡(luò)——從“人類環(huán)境會議”到“環(huán)境與發(fā)展會議”[J];中國地質(zhì)大學(xué)學(xué)報(社會科學(xué)版);2012年02期

4 隋旺華;開采覆巖破壞工程地質(zhì)預(yù)測的理論與實踐[J];工程地質(zhì)學(xué)報;1994年02期

5 于廣明,謝和平,楊倫,張玉卓;采動斷層活化分形界面效應(yīng)的數(shù)值模擬研究[J];煤炭學(xué)報;1998年04期

6 袁燈平,馬金榮,董正筑;利用ANSYS進行開采沉陷模擬分析[J];濟南大學(xué)學(xué)報(自然科學(xué)版);2001年04期

7 謝和平,周宏偉,王金安,李隆忠,Ｍ．Ａ．Ｋｗａｓｎｉｅｗｓｋｉ;FLAC在煤礦開采沉陷預(yù)測中的應(yīng)用及對比分析[J];巖石力學(xué)與工程學(xué)報;1999年04期

8 于廣明,謝和平,張玉卓,楊倫;節(jié)理對開采沉陷的影響規(guī)律研究[J];巖土工程學(xué)報;1998年06期

，

本文編號：2063667