某露天矿含水炮孔爆破危害效应控制试验研究
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摘要
露天矿含水炮孔的爆破质量和效果影响着露天矿的安全高效开采。为改善水孔爆破效果,采取改变布孔方式、炮孔排水护孔、水间隔装药等控制变量进行了现场对比爆破工程试验,利用高速摄影系统和爆破振动测试系统测得现场试验爆破视频和振动峰值。试验结果表明:改变布孔方式、排水护孔、水间隔装药后均能有效控制爆破危害效应,对相似工程有借鉴意义。
The quality and effect of water hole blasting in open pit mine affect the safety and efficient mining of open-pit mine. In order to improve the performance of water hole blasting,the field comparative blasting tests were carried out by changing the holes layout,hole drainage and protection,water-decked charge,etc. High speed photography system and blasting vibration test system were used to obtain the field test blasting video and vibration peak particle velocity. The test results showed that the blasting hazard effect could be effectively controlled by changing the pattern of holes layout,draining and protecting holes,and water-decked charge. It can be used for reference to similar projects.
The quality and effect of water hole blasting in open pit mine affect the safety and efficient mining of open-pit mine. In order to improve the performance of water hole blasting,the field comparative blasting tests were carried out by changing the holes layout,hole drainage and protection,water-decked charge,etc. High speed photography system and blasting vibration test system were used to obtain the field test blasting video and vibration peak particle velocity. The test results showed that the blasting hazard effect could be effectively controlled by changing the pattern of holes layout,draining and protecting holes,and water-decked charge. It can be used for reference to similar projects.
引文
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[2]周洪生,寇子顺,龙济敏,等.空气间隔装药在高昔铀矿床阶段深孔落矿中的应用[J].铀矿冶,2015,34(4):231-234.ZHOU Hong-sheng,KOU Zi-shun,LONG Ji-min,et al.Application of air spaced charge to deep hole falling in the stage of the uxi uranium deposit[J].Uranium Mining and Metallurgy,2015,34(4):231-234.(in Chinese)
[3]曲艳东,吴敏,孔祥清,等.深孔连续与间隔装药爆破数值模拟研究[J].爆破,2014,31(4):16-21,81.QU Yan-dong,WU Min,KONG Xiang-qing,et al.Numerical simulation of continuation and interval loading in deep-hole blasting[J].Blasting,2014(4):16-21.(in Chinese)
[4]王琪,张世平,林哲.露天深孔不同位置水间隔装药爆破数值模拟[J].煤炭技术,2018,37(1):27-29.WANG QI,ZHANG Shi-ping,LIN ZHE.Open water deep hole position interval blasting numerical simulation[J]Coal Technology,2018,37(1):27-29.(in Chinese)
[5]王冬兵,张建华.不同介质间隔装药爆破数值模拟[J].矿业研究与开发,2016,36(3):93-96.WANG Dong-bing,ZHANG Jian-hua.Numerical simulation on the blasting of interval charge with different medium[J].Mining Research and Development,2016,36(3):93-96.(in Chinese)
[6]王广成,邓永前.水孔爆破技术在高村铁矿的应用[J].现代矿业,2014(8):25-26.WANG Guang-cheng,DENG Yong-qian.Application of water hole blasting technology in gao cun iron mine[J].Modern Mining,2014(8):25-26.(in Chinese)
[7]李金平.改善露天矿水孔爆破效果[J].中小企业管理与科技(中旬刊),2015(12):75-76.LI Jin-ping.Improving the effect of blasting in open-pit mines[J].Management and Technology of Small and Medium Enterprises,2015(12):75-76.(in Chinese)
[8]刘聪,董业锋.露天石英矿水孔爆破施工技术研究[J].西部探矿工程,2015(11):157-161.LIU Cong,DONG Ye-feng.Open hole quartzite mine water hole blasting construction technology[J].West-China Exploration Engineering,2015(11):157-161.(in Chinese)
[9]罗甸良,磨季云,池恩安,等.高含水岩石爆破参数试验研究及优化[J].爆破,2017,34(4):85-90,95.LUO Dian-liang,MO Ji-yun,CHI En-an,et al.Experimental study and optimization of blasting parameters of high water cut rock[J].Blasting,2017,34(4):85-90,95.(in Chinese)
[10]李玉能,马建军,池恩安,等.基于BP神经网络的高含水岩石爆破震动参数预报[J].爆破,2017,34(2):68-72.LI Yu-neng,MA Jian-jun,CHI En-an,et al.Forecast of blasting vibration parameters in high water cut rock based on bp neural network[J].Blasting,2017,34(2):68-72.(in Chinese)
[11]王萍.改善露天金属矿深水孔爆破质量探讨[J].世界有色金属,2016(11):67-68.WANG Ping.The improvement measures of deep water borehole blasting quality in opencast metal mine[J].World Nonferrous Metals,2016(11):67-68.(in Chinese)
[12]黄绍威.水孔爆破施工的对应措施研究[J].酒钢科技,2013(2):71-74.HUANG Shao-wei.Corresponding measures for water hole blasting construction[J].JIU GANG Science and technology,2013(2):71-74.(in Chinese)
[13]汪旭光,郑炳旭,张正忠,等.爆破手册[M].北京:冶金工业出版社,2010.