本文選題：傾斜煤層 + 地表下沉��； 參考：《煤炭科學(xué)技術(shù)》2017年12期

【摘要】：從大量實(shí)測(cè)數(shù)據(jù)表明最大下沉角與煤層傾角并不是簡(jiǎn)單的線性關(guān)系,為了掌握最大下沉角隨煤層傾角改變的變化規(guī)律,依據(jù)蘆溝煤礦32101工作面的具體地質(zhì)采礦條件,通過建立數(shù)值模型分析研究了煤層傾角在0°~45°時(shí),最大下沉角與煤層傾角之間的關(guān)系。研究結(jié)果表明:當(dāng)煤層傾角小于15°時(shí),最大下沉角與煤層傾角呈線性關(guān)系;當(dāng)煤層傾角大于15°時(shí),得出最大下沉角與煤層傾角呈二次函數(shù)關(guān)系式,并通過南票礦區(qū)的實(shí)測(cè)數(shù)據(jù)驗(yàn)證了結(jié)論的正確性。利用此關(guān)系式有助于提高傾斜煤層開采沉陷預(yù)計(jì)的精確度。
[Abstract]:From a large number of measured data, it is shown that the maximum subsidence angle and the coal seam dip angle are not simple linear relations. The relationship between the maximum subsidence angle and the coal seam dip angle is studied by establishing a numerical model when the dip angle of coal seam is 0 擄or 45 擄. The results show that when the dip angle of coal seam is less than 15 擄, the maximum subsidence angle is linearly related to the dip angle of coal seam, and when the dip angle of coal seam is greater than 15 擄, the relationship between the maximum subsidence angle and the dip angle of coal seam is quadratic. The correctness of the conclusion is verified by the measured data in Nanpiao mining area. The use of this relation is helpful to improve the accuracy of prediction of mining subsidence in inclined coal seams.
【作者單位】： 煤炭科學(xué)研究總院開采研究分院;天地科技股份有限公司開采設(shè)計(jì)事業(yè)部;
【基金】：國(guó)家自然科學(xué)基金資助項(xiàng)目(51604151)
【分類號(hào)】：TD327;TD82

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