【摘要】：近距離煤層開采時采空區(qū)積水是下煤層開采的安全隱患。通過突水水源、采動裂隙發(fā)育特征及其與采空區(qū)的連通性分析,以地質(zhì)條件綜合分析為基礎(chǔ),采用物探與鉆探相結(jié)合的探放水方法,查明了上煤層采空區(qū)積水范圍,疏放了采空區(qū)靜儲量積水,排除了下煤層開采的安全隱患。
[Abstract]:Water in goaf is the hidden danger of coal seam mining in close distance. Based on the analysis of water inrush source, the characteristics of mining fissure development and its connectivity with goaf, and based on the comprehensive analysis of geological conditions, the scope of water accumulation in the goaf of upper coal seam is found out by using the method of geophysical exploration and drilling. The static storage water in the goaf is sparsely released, and the hidden danger of mining in the coal seam is eliminated.
【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)計事業(yè)部;
【基金】：國家科技重大專項大型油氣田開發(fā)項目(2016ZX05045007-003) 中國煤炭科工集團(tuán)科技創(chuàng)新基金面上項目(2016MS011) 天地科技“公司研發(fā)項目”開采生產(chǎn)力轉(zhuǎn)化基金(KJ-2015-TDKC-04)
【分類號】：TD745.2
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本文編號：2336738