本文選題：厚松散層　切入點(diǎn)：地表移動(dòng)規(guī)律　出處：《安徽理工大學(xué)》2015年碩士論文　論文類型：學(xué)位論文

【摘要】：隨著我國(guó)經(jīng)濟(jì)社會(huì)的快速發(fā)展,基礎(chǔ)設(shè)施建設(shè)項(xiàng)目的擴(kuò)建,對(duì)能源礦產(chǎn)資源的需求量呈快速增長(zhǎng)的趨勢(shì),尤其是煤炭資源被大量開采,使得我國(guó)大量淺層煤炭礦區(qū)的資源面臨枯竭,煤礦開采逐漸向深部方向發(fā)展,并且豎直方向上的分層重復(fù)開采現(xiàn)象越來越常見。厚松散層重復(fù)開采條件下地表移動(dòng)變形特征明顯區(qū)別于非厚松散層的礦區(qū),這些特征主要表現(xiàn)在地表移動(dòng)變形更加劇烈和沉陷盆地范圍的擴(kuò)展。要對(duì)厚松散層重復(fù)開采條件下地表沉陷進(jìn)行準(zhǔn)確預(yù)測(cè)及控制、實(shí)現(xiàn)“三下”壓煤的安全回采,必須深入分析厚松散層重復(fù)開采條件下的地表沉陷規(guī)律。本文在淮南礦業(yè)集團(tuán)某礦工作面觀測(cè)站實(shí)測(cè)資料的基礎(chǔ)上,求取了地表移動(dòng)變形角量參數(shù)和預(yù)計(jì)參數(shù),并和首采面的相應(yīng)參數(shù)做了對(duì)比分析。在求取概率積分法參數(shù)的基礎(chǔ)上,對(duì)工作面進(jìn)行了地表移動(dòng)變形的預(yù)計(jì)。論文詳細(xì)分析了厚松散層重復(fù)開采條件下地表移動(dòng)變形規(guī)律,本文的研究成果對(duì)類似厚松散層重復(fù)開采條件下的地表沉陷預(yù)測(cè)及控制、保護(hù)煤柱的留設(shè)、“三下”采煤均具有一定的理論價(jià)值和指導(dǎo)意義。
[Abstract]:With the rapid development of China's economy and society and the expansion of infrastructure construction projects, the demand for energy and mineral resources is increasing rapidly, especially the coal resources are exploited in large quantities. As a result of the depletion of a large number of shallow coal mining areas in China, coal mining is gradually developing towards the deep. And the phenomenon of stratified repeated mining in vertical direction is more and more common. The characteristics of surface movement and deformation under the condition of repeated mining of thick loose layer are obviously different from those of non-thick loose layer mining area. These characteristics are mainly manifested in the more severe deformation of the surface movement and the expansion of the subsidence basin area. It is necessary to accurately predict and control the surface subsidence under the condition of repeated mining of thick loose beds, so as to realize the safe recovery of the "three down" coal compaction. It is necessary to deeply analyze the law of surface subsidence under the condition of repeated mining of thick loose beds. Based on the measured data of a mining face observation station in Huainan Mining Group, the parameters of angle and prediction of surface movement and deformation are obtained in this paper. On the basis of obtaining the parameters of probabilistic integration method, the surface movement and deformation of the face are predicted, and the law of surface movement and deformation under the condition of repeated mining of thick loose layer is analyzed in detail. The research results of this paper have certain theoretical value and guiding significance for the prediction and control of surface subsidence under the condition of repeated mining of similar thick loose beds, the protection of coal pillar retention and the "three down" coal mining.
【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】：2015
【分類號(hào)】：TD325

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