李俊平;王晓光;王红星;程贤根;

• 1:西安建筑科技大学材料与矿资学院

摘要(Abstract)：

900 m水平以上采空区回收矿柱及900 m水平以下的巷道掘进或矿房开采时经常发生岩爆。为了安全、经济地回收矿柱并实施深部开采,在数值分析的基础上,提出了一种急倾斜矿体的采空区处理与卸压开采方法,并用ANSYS数值模拟确定了采空区处理及卸压开采的施工参数。结果表明,在下盘脉外巷道离采空区边缘的水平距离为10 m时,上盘脉外巷道离采空区边缘的水平距离取20 m;在巷道底板隔断开采的深度不超过20 m;必须从上、下盘脉外巷道同时向采空区围岩实施V型松动爆破;可只在上盘巷道底板进行隔断开采。该采空区处理与卸压开采方法技术可行、经济合理、简便适用。当地表允许岩体移动时这种新方法适合急倾斜、厚度大矿体的采空区处理与卸压开采;如果地表不许可岩体移动,使用这种新方法是不合适的。该采空区处理与卸压开采方法是一种采空区处理的联合法。它能够用工程爆破这一种手段实现采空区处理、应力向有利于安全生产的方向转移等多种目的。

关键词(KeyWords)： 安全科学技术其他学科;矿山安全;冲击地压;采空区处理;卸压开采;隔断开采;数值仿真

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(51244006);; 西安建筑科技大学重点培育学科建设基金项目(XK2012005)

作者(Authors): 李俊平;王晓光;王红星;程贤根;

参考文献(References)：

• [1]YIN Xiangang(尹贤刚),LI Shulin(李庶林),TANG Haiyan(唐海燕),et al.The tests and studies of the physical mechanical properties of the rocks from Changba Lead-Zinc Mine[J].Mining Research and Development(矿业研究与开发),2003,23(5):12-13,16.
• [2]WU Yongbo(吴永博),GAO Qian(高谦),YANG Zhiqiang(杨志强),et al.Engineering geologic research and prediction of mechanical parameters of rock-masses foe Changba Open Mine[J].Journal of Engineering Geology(工程地质学报),2007,15(S1):304-311.
• [3]YAN Changbin(闫长斌),XU Guoyuan(徐国元).Modification of Hoek-Brown expressions and its application to engineering[J].Chinese Journal of Rock Mechanics and Engineering(岩石力学与工程学报),2005,24(22):4030-4035.
• [4]LI Junping(李俊平).Study of the new method disposing gently inclined abandoned stope and ground pressure control at the stope(缓倾斜采空场处理新方法及采场地压控制研究)[D].Beijing:Beijing Institute of Technology,2003.
• [5]LI Junping(李俊平),ZHAO Yongping(赵永平),WANG Erjun(王二军).Method and practice disposing abandoned stope(采空区处理的理论与实践)[M].Beijing:Metallurgical Industry Press,2012:1-18,177-219.
• [6]LI Junping(李俊平),XIAO Xufeng(肖旭峰),FENG Changgen(冯长根).Progress in developing methods for dealing with forsaken stope[J].China Safety Science Journal(中国安全科学学报),2012,22(3):48-54.
• [7]LI Junping(李俊平),XIAO Xufeng(肖旭峰),LIAN Minjie(连民杰),et al.On the roof closure method resulting from the“V”-shaped top-grooving[J].Journal of Safety and Environment(安全与环境学报),2012,12(5):219-222.
• [8]LI Junping(李俊平),KOU Kun(寇坤),LIU Wutuan(刘武团).Methods of extracting pillars and disposing abandoned-stope in Qijiaojing Iron-Mine[J].Journal of Northeastern University:Natural Science(东北大学学报:自然科学版),2013,34(S1),137-143.
• [9]KOVARI K.Erroneous concepts behind the New Austrian tunnelling method[J].Tunnels and Tunnelling,1994,26(11):38-42.
• [10]XIE Shijun(解世俊).The pressure-relief mining[J].Mining Technology(矿山技术),1992(2):19-21.
• [11]WANG Yuyu(王御宇),LI Xuefeng(李学锋),LI Xiangdong(李向东).Study on stress-relief measures in high-stress zone of deep deposit[J].Mining and Metallurgical Engineering(矿冶工程),2005,25(4):4-7.
• [12]LI Junping(李俊平),LIAN Minjie(连民杰).Mine rock mechanics(矿山岩石力学)[M].Beijing:Metallurgical Industry Press,2013:275-282.
• [13]LI Junping(李俊平),WANG Shi(王石),LIU Caiwang(柳才旺),et al.Field tests on rock burst control of shafts and tunneling engineering in Xiaoqinling Mountain[J].Science and Technology Review(科技导报),2013,31(1):48-51.