基于多源信息融合底板突水主控因素的定量化評(píng)價(jià)
發(fā)布時(shí)間:2018-06-10 07:34
本文選題:多源信息融合 + 底板突水; 參考:《煤礦開采》2017年02期
【摘要】:由于不同礦區(qū)地質(zhì)復(fù)雜程度、采礦條件的差異性,從而決定了底板突水主控因素的不同。以蔚州礦區(qū)及單侯礦井地質(zhì)采礦條件為背景,在研究蔚州礦區(qū)突水時(shí)空特征的前提下,重點(diǎn)分析礦區(qū)突水資料與巖溶含水層的分布規(guī)律、富水特性的空間位置關(guān)系,定性確定蔚州礦區(qū)突水的主控因素。并以單侯礦井為例,采用多源信息融合技術(shù)定量評(píng)價(jià)單侯礦井突水主控因素。研究結(jié)果表明:蔚州礦區(qū)突水的主控因素為巖溶發(fā)育程度、隔水層厚度及其巖性組合、含水層的水壓及富水性、斷層的規(guī)模。而對(duì)于單侯礦井,在底板突水眾多影響因素中,地質(zhì)構(gòu)造占主導(dǎo)因素,其次為隔水層厚度、含水層水壓和含水層富水性。
[Abstract]:Because of the geological complexity of different mining areas and the difference of mining conditions, the main controlling factors of water inrush of floor plate are different. Based on the geological and mining conditions of Weizhou and Danhou mines, the spatial and temporal characteristics of water inrush in Weizhou mining area are studied, and the distribution law of water inrush data and karst aquifer, and the spatial location relationship of water-rich characteristics are analyzed emphatically. The main controlling factors of water inrush in Weizhou mining area were determined qualitatively. Taking Danhou mine as an example, the multi-source information fusion technique is used to quantitatively evaluate the main control factors of water inrush in Danhou mine. The results show that the main controlling factors of water inrush in Weizhou mining area are the degree of karst development, the thickness of water barrier layer and its lithology combination, the water pressure and water enrichment of aquifer, and the scale of fault. For Danhou mine, geological structure is the dominant factor among the many influencing factors of floor water inrush, followed by the thickness of water-barrier layer, aquifer water pressure and water-rich aquifer.
【作者單位】: 天地科技股份有限公司開采設(shè)計(jì)事業(yè)部;煤炭科學(xué)研究總院開采研究分院;
【基金】:國(guó)家科技重大專項(xiàng)大型油氣田開發(fā)項(xiàng)目(2016ZX05045007-003) 中國(guó)煤炭科工集團(tuán)科技創(chuàng)新基金面上項(xiàng)目(2016MS011)
【分類號(hào)】:TD745
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