费鸿禄,徐易,张龙飞,杨智广

• 1:辽宁工程技术大学爆破技术研究院
• 2:内蒙古宏大爆破工程有限责任公司

摘要(Abstract)：

为研究小断面急倾斜天井VCR法一次爆破成井中的岩石夹制性问题,采用ANSYS/LS-DYNA3D非线性动力学有限元软件进行了小断面VCR法爆破成井的数值模拟。根据C·W利文斯顿球状药包理论,采用5孔布置、单孔中心掏槽、同分层中心孔与边孔不等高装药间隔起爆进行研究。通过对压力等值面云图和塑性应变场等值面分布云图的分析,得到药包起爆后应力传播规律和材料破坏特征。结合现场小断面急倾斜天井一次爆破成井试验,验证了同分层中心孔与边孔不等高装药间隔起爆对解决小断面急倾斜天井VCR法一次爆破成井所面临的岩石夹制性问题的可行性。

关键词(KeyWords)： 天井;球状药包;岩石夹制性;VCR法爆破;数值模拟

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 费鸿禄,徐易,张龙飞,杨智广

参考文献(References)：

• [1]王长贵,王聚勇,孟中华.地下矿山天溜井施工方法的探讨[J].采矿技术,2008,8(5):19-21.WANG Chang-gui,WANG Ju-yong,MENG Zhong-hua.Discussion on construction method of underground mine[J].Mining Technology,2008,8(5):19-21.(in Chinese)
• [2]STERK P V.Development of drop raise blasting at Homestake mine[C]∥Proceeding of the 17th Annual Conference on Explodives and Blasting Technique[S.l.]:[s.n.],1991:239-250.
• [3]李启月,徐敏,范作鹏,等.直眼掏槽破岩过程模拟与空孔效应分析[J].爆破,2011,28(4):23-26.LI Qi-yue,XU Min,FAN Zuo-peng,et al.Simulation of rock failure process in cutting by parallel hole and analysis on empty hole effect[J].Blasting,2011,28(4):23-26.(in Chinese)
• [4]林从谋,陈士海.深孔直眼掏槽爆破排碴过程研究[J].爆炸与冲击,1997,17(1):68-74.LIN Cong-mou,CHEN Shi-hai.Studies on the fragment discharge process in deep hole parallel-cut blasting[J].Explosion and Shock Waves,1997,17(1):68-74.(in Chinese)
• [5]周传波,谷任国,罗学东.坚硬岩石一次爆破成井掏槽方式的数值模拟研究[J].岩石力学与工程学报,2005,24(13):2298-2304.ZHOU Chuan-bo,GU Ren-guo,LUO Xue-dong.Numerical simulation on cutting mode of shaft excavation by one-step deep-hole blasting in hard rock[J].Chinese Journal of Rock Mechanics and Engineering,2005,24(13):2298-2303.(in Chinese)
• [6]张奇,杨永琦,王小林,等.槽腔内岩石破碎介质运动过程的X射线摄影试验研究[J].岩石力学与工程学报,2003,22(9):1426-1429.ZHANG Qi,YANG Yong-qi,WANG Xiao-lin,et al.Testing study on movement process of rock pieces in cut cavity by X-ray photograph[J].Chinese Journal of Rock Mechanics and Engineering,2003,22(9):1426-1429.(in Chinese)
• [7]罗勇,沈兆武,夏红兵.炮孔装药量与炮孔间距关系的研究[J].含能材料,2006,14(2):151-154.LUO Yong,SHEN Zhao-wu,XIA Hong-bing.Investigation on length of stemming material and its effect in holecharge blasting[J].Energetic Materials,2006,14(2):151-154.(in Chinese)
• [8]周传波.深孔爆破一次成井模拟优化与应用研究[博士学位论文][D].武汉:中国地质大学,2004.ZHOU Chuan-bo.Study on simulation optimization and application of shaft formation by one deep-hole blasting[D].Wuhan:China University of Geosciences,2004.(in Chinese)
• [9]桃林铅锌矿,湖南冶金研究所,中南矿冶学院.盲天井深孔爆破一次成井[J].湖南冶金,1980(1):59-63.Taolin Lead-Zinc Mine,Metallurgy Institute of Hunan,Central-South Institute of Mining and Metallurgy.Once driving of blind raise with deep hole blasting[J].Hunan Metallurgy,1980(1):59-63.(in Chinese)
• [10]李启月,李夕兵,范作鹏,等.深孔爆破一次成井技术与应用实例分析[J].岩石力学与工程学报,2013,32(4):664-670.LI Qi-yue,LI Xi-bing,FAN Zuo-peng,et al.One time deep hole raise blasting technology and case study[J].Chinese Journal of Rock Mechanics and Engineering,2013,32(4):664-670.(in Chinese)
• [11]WANG Z L,KONIETZDY H.Modeling of blast-induced fractures in jointed rock masses[J].Engineering Fracture Mechanics,2009,76(12):1945-1955.
• [12]LI H B,XIA X,LI J C.Rock damage control in bedrock blasting excavation for a nuclear power plant[J].International Journal of Rock Mechanics and Mining Sciences,2010,48(2):210-218.
• [13]李廷春,刘洪强,王超.超深孔一次成井微差爆破技术研究[J].岩土力学,2012,33(6):1742-1746.LI Ting-chun,LIU Hong-qiang,WANG Chao.Study of millisecond blasting technology of shaft excavation by one-step deep-hole blasting[J].Rock and Soil Mechanics,2012,33(6):1742-1746.(in Chinese)
• [14]Livermore Software Technology Corporation.LS-DYNA theoretical manual[M].California:Livermore Software Technology Corporation,2003:36-42.
• [15]Livermore Software Technology Corporation.LS-DYNA keyword user's manual[M].California:Livermore Software Technology Corporation,2003:101-109.
• [16]黄治成.采场外廓控制爆破技术研究及应用[D].长沙:中南大学,2011.HUANG Zhi-cheng.Research and application of stope outside controlling blasting technique[D].Changsha:Central South University,2011.(in Chinese)