注漿充填作用機(jī)理下地表移動(dòng)變形規(guī)律研究
發(fā)布時(shí)間:2018-06-25 17:42
本文選題:注漿充填 + 變形監(jiān)測 ; 參考:《安徽理工大學(xué)》2015年碩士論文
【摘要】:地面沉陷主要是一種在自然和人為因素的作用下;當(dāng)有用礦物被采出以后,開采區(qū)域周圍巖體的原始應(yīng)力平衡狀態(tài)就會受到破壞,應(yīng)力重新分布,達(dá)到新的平衡,而此過程會使得開采區(qū)域周圍的巖層和地表產(chǎn)生連續(xù)的移動(dòng)、變形和非連續(xù)的破壞(開裂冒落等),這種現(xiàn)象稱為“開采沉陷”。注漿充填是控制地表沉陷的有效技術(shù)手段之一,本論文主要工作如下: (1)以淮北礦業(yè)集團(tuán)袁店二礦7226工作面為研究對象,對采空區(qū)進(jìn)行注漿充填并建立了基于充填作用機(jī)理下的移動(dòng)變形監(jiān)測網(wǎng),獲得注漿充填作用機(jī)理下的地表沉降的觀測數(shù)據(jù); (2)通過獲取的觀測數(shù)據(jù)繪制析袁店二礦7226工作面在注漿充填作用機(jī)理下的移動(dòng)變形曲線,分析變形規(guī)律; (3)建立GM(1,1)和D-InSAR模型,對地表監(jiān)測點(diǎn)進(jìn)行沉降監(jiān)測分析,將D-InSAR技術(shù)與傳統(tǒng)監(jiān)測方法對比,展示注漿充填在控制礦區(qū)地表移動(dòng)變形的優(yōu)勢。
[Abstract]:Ground subsidence is mainly caused by natural and human factors. When useful minerals are extracted, the original stress equilibrium state of the rock mass around the mining area will be destroyed, and the stress will be redistributed to achieve a new balance. This process will result in continuous movement, deformation and discontinuous destruction (cracking and falling) of the strata and surface around the mining area, which is called "mining subsidence". Grouting filling is one of the effective techniques to control the surface subsidence. The main work of this paper is as follows: (1) taking the 7226 face of Yuandian No. 2 Mine of Huaibei Mining Group as the research object, The grouting filling in goaf is carried out and the moving deformation monitoring network based on the filling mechanism is established to obtain the observation data of the surface subsidence under the grouting filling mechanism. (2) drawing the moving deformation curve of No. 7226 working face of Yuandian No. 2 Mine under the mechanism of grouting filling and analyzing the deformation law through the obtained observation data, (3) establishing GM (1Q1) and D-InSAR models, Based on the analysis of subsidence monitoring points, D-InSAR technology is compared with the traditional monitoring method to show the advantages of grouting filling in controlling the surface movement and deformation of mining area.
【學(xué)位授予單位】:安徽理工大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2015
【分類號】:TD325
【參考文獻(xiàn)】
相關(guān)期刊論文 前10條
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2 張潔,胡光道;基于合成孔徑雷達(dá)干涉測量技術(shù)的地面沉降研究綜述[J];地質(zhì)科技情報(bào);2005年03期
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