摘要
为提高煤炭资源采出率且减小开采对地表建筑物和铁路的影响,防止开采期间可能出现的安全隐患,以九龙煤矿地质采矿条件为基础,提出3种开采方案,运用FLAC3D模拟软件对各方案开采地表各移动变形量进行预计,并分析对建筑物及铁路线的影响程度,选出最佳合理开采方案。结果表明,采用方案2进行开采,技术经济合理,安全性更有保障,地表移动变形对构筑物的采动损害综合影响程度较小。
In order to improve the coal mining rate and reduce the impact of mining on ground buildings and railway, to prevent possi- hle potential safety hazard during the mining period, based on the geology and mining conditions of Jiulong Mine, we proposed 3 mining schemes, and used FLAC3D simulation software to estimate the displacement of each scheme, and analyzed the influence of the build- ings and the railway line, choosed the best reasonable mining scheme. The practical results showed that the scheme 2 was reasonable, and the safety was more secured, and the comprehensive influence degree of surface movement and deformation on mining - induced damage of the structure was small.
出处
《煤矿安全》
CAS
北大核心
2016年第5期223-226,共4页
Safety in Coal Mines
基金
河北省自然科学基金资助项目(D2015402134)
关键词
村庄下压煤
铁路线
开采方案
数值模拟
地表沉陷
coal mining under village
railway line
mining scheme
numerical simulation
surface subsidence
