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Gold Science and Technology ›› 2017, Vol. 25 ›› Issue (2): 70-75.doi: 10.11872/j.issn.1005-2518.2017.02.070

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Study on the Stope Displacement Unstability Process Under Complex Mining Environment

MENG Kun，LUO Zhouquan，QIN Yaguang   

  1. School of Resources and Safety Engineering，Central South University，Changsha    410083，Hunan，China
  • Received:2016-07-01 Revised:2016-11-03 Online:2017-04-28 Published:2017-05-12

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Abstract:

Mass vertical displacement collapsed in environment of complex mining stope always cause instability problems.By combining with the engineering practice of collapse in -320 m midway through the main orebody buckling in certain large lead and zinc underground mines，the three dimensional computer numerical program 3DEC was used to analyze the vertical displacement of stope filling body and around the degree，influence range and maximum shear stress distribution.It provides an important basis for the safe and efficient recovery of hidden resources and the determination of reasonable filling technology and mining methods.The results show that 0# ore body above the mined-out area overall sinking，the maximal sinking displacement is up to 2 m.The maximum shear strain increment region is mainly located in 0 # stope part，and eventually formed a U-shaped maximum shear strain increment through belt.The 0# stope collapse caused upper 0# stope ore body，mined-out area of N0-1#，N1-2#，S0-1#FU  and S0-1# FU-1 located in the area above the slip surface，and N2-3# and S1-2# stope in the collapse edge.It is determined as the influence area of the collapse area.

Key words: complex environment, vertical displacement, stope unstability shear stress, 3DEC, hidden resources

CLC Number: 

  • TD325

［1］ Liu Xiaoming，Zhang Wei，Liu Weizhou，et al.Integrated technology for recovering the hidden trouble resource based on a cavity monitoring system［J］.Metal Mine，2008（8）：88-91.［刘晓明，张伟，刘为洲，等.基于空区实测的隐患资源回收综合技术研究［J］.金属矿山，2008（8）：88-91.］
［2］ Li Shulin.Study on the geological hazard in metal mines and its prevention countermeasures［J］.The Chinese Journal of Geological Hazard and Control，2002，13（4）：44-48.［李庶林.论我国金属矿山地质灾害与防治对策［J］.中国地质灾害与防治学报，2002，13（4）：44-48.］
［3］ Peng Yongwei，Qi Qingxin，Wang Yougang，et al.Study of field measurement of mining-induced coal fracture field and its application［J］.Chinese Journal of Rock Mechanics and Engineering，2010，29（S2）：4188-4193.［彭永伟，齐庆新，汪有刚，等.煤体采动裂隙现场实测及其应用研究［J］.岩石力学与工程学报，2010，29（增2）：4188-4193.］
［4］ Liu Weiqiang.The study on hidden danger resources mining technology in No.21 blind vein of Yuerya gold mine［J］.Hunan Nonferrous Metals，2014，30（2）：1-4，60.［刘伟强.峪耳崖金矿盲21#脉采空区隐患资源回采技术研究［J］.湖南有色金属，2014，30（2）：1-4，60.］
［5］ Luo Z Q，Xie C Y，Jia N，et al.Safe roof thickness and span of stope under complex filling body［J］.Journal of Central South University，2013，20（12）：3641-3647.
［6］ Yang Guantao，Li Xibing，Wang Qisheng，et al.Criterion for judging energy mutation in destabilized stope and its app- lication［J］.Journal of Mining and Safety Enineering，2008，25（3）：268-271，276.［杨官涛，李夕兵，王其胜，等.地下采场失稳的能量突变判断准则及其应用［J］.采矿与安全工程学报，2008，25（3）：268-271，276.］
［7］ Yao B H，Bai H B，Zhang B Y.Numerical simulation on the risk of roof water inrush in Wuyang coal mine［J］.Inter- national Journal of Mining Science and Technology，2012（2）：273-277.
［8］ Zhang Yaoping，Cao Ping，Dong Longjun，et al.A robust regression model and its application in calculating shear strength of  rock［J］.Science & Technology Review，2010，28（7）：91-95.［张耀平，曹平，董陇军，等.岩石抗剪强度计算的稳健回归模型及其应用［J］.科技导报，2010，28（7）：91-95.］
［9］ Xie Chengyu，Luo Zhouquan，Jia Nan，et al.Safety roof cutting thickness in mining gently inclined and extremely thick ore body［J］.Journal of Mining and Safety Engineering，2013，30（2）：278-284.［谢承煜，罗周全，贾楠，等.缓斜极厚矿体开采安全切顶厚度研究［J］.采矿与安全工程学报，2013，30（2）：278-284.］
［10］ Li Donglin，Wu Shuren，Han Jinliang，et al.Crustal stress modelling and engineering geology problems of Qinling Dabashan tunnel for diversion project［J］.Geology and Pros- pecting，2008，44（5）：81-86.［李东林，吴树仁，韩金良，等.引水工程秦巴段隧洞地应力模拟及工程地质问题［J］.地质与勘探，2008，44（5）：81-86.］
［11］ Zhou Lianjun，Peng Zhenbin，He Zhongming，et al.Test for shear characteristics of structural plane and its numerical simulation analysis［J］.Science & Technology Review，2009， 27（4）：31-35.［周莲君，彭振斌，何忠明，等.结构面剪切特性的试验与数值模拟分析［J］.科技导报，2009，27（4）：31-35.］
［12］ Feng W K，Huang R Q，Li T B.Deformation analysis of a soft-hard rock contact zone surrounding a tunnel［J］.Tunnelling and Underground Space Technology，2012，32：190-197.
［13］ Zhao Kui，Jin Jiefang，Liu Mingsong，et al.Experimental  research and numerical simulation of acoustic emission of memory effect of rock stress under point load［J］.Chinese Journal of Rock Mechanics and Engineering，2009，28（S1）：2695-2702.［赵奎，金解放，刘明松，等.岩石点荷载作用下对应力记忆效应的声发射数值模拟与试验研究［J］.岩石力学与工程学报，2009，28（增1）：2695-2702.］
［14］ Xu Tao，Tang Chun’an，Wang Shuhong，et al.Numerical tests on confining pressure effect in rock failure process［J］.Journal of Central South University，2004，35（5）：840- 844.［徐涛，唐春安，王述红，等.岩石破裂过程围压效应的数值试验［J］.中南大学学报（自然科学版），2004，35（5）：840-844.］
［15］ Cai Ming，Zhao Xingguang，Kaiser P K，et al.On field strength of massive rocks［J］.Chinese Journal of Rock Mecha- nics and Engineering，2014，33（1）：1-13.［蔡明，赵星光,Kaiser P K，等.论完整岩体的现场强度［J］.岩石力学与工程学报，2014，33（1）：1-13.］
［16］ Qian Qihu，Qi Chengzhi.Dynamic strength and dynamic fracture criteria of rock and rock mass［J］.Journal of Tongji University（Natural Science）, 2008，36（12）：1599-1605. ［钱七虎，戚承志.岩石、岩体的动力强度与动力破坏准则［J］.同济大学学报（自然科学版），2008，36（12）：1599-1605.］
［17］ Sui Bin，Zhu Weishen，Li Shuchen，et al.Simulation of mechanical response of deep rock pillar triggered by dynamic disturbance［J］.Rock and Soil Mechanics，2009，30（8）：2501-2505.［隋斌，朱维申，李树忱，等.深部岩柱在动态扰动下力学响应的数值模拟［J］.岩土力学，2009，30（8）：2501-2505.］
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