img

Wechat

Adv. Search

Gold Science and Technology ›› 2017, Vol. 25 ›› Issue (1): 99-105.doi: 10.11872/j.issn.1005-2518.2017.01.099

Previous Articles     Next Articles

Stability Analysis and Parameter Optimization of Stope in Deep Metal Mines

SUN Yang,LUO Liming,DENG Hongwei   

  1. School of Resources and Safety Engineering,Central South University,Changsha    410083,Hunan,China
  • Received:2015-11-27 Revised:2016-02-23 Online:2017-02-28 Published:2017-05-12

Abstract:

 The steady stope is security assurance of mining in deep metal mines.Due to engineering geological conditions of a mine in Yunnan as well as occurrence characteristics of orebody,the maximum exposed area was calculated by Mathew method,and the maximum exposed area obtained with Mathew stability diagram method was 600 m2 and 684 m2,respectively,as the stopes long were 30 m and 40 m.The simulation verification was used by two methods of numerical simulation,both the maximum exposed area obtained with two numerical simulation  were between 600~700 m2.Research results illustrate that data obtained with those two methods can meet mining security requirement in stope.By comparing two kinds of numerical modeling simulation method,meanwhile,the simplified modeling numerical simulation method is superior to the conventional modeling numerical simulation method.

Key words: Mathew method, numerical simulation, stability analysis, limit exposed area

CLC Number: 

  • TD323

[1] Gong Jian,Hu Nailian,Wang Xiaodong,et al.Stability analysis and rock movement prediction of stope roof below the subsidence area[J].Journal of Mining and Safety Engineering,2015(2):337-342.[龚剑,胡乃联,王孝东,等.塌陷区下部采场顶板稳定性分析及岩移预测[J].采矿与安全工程学报,2015(2):337-342.]
[2] Ren Yubing,Huang Zhiguo,Guo Shulin,et al.Stope stability analysis of Jilongshan gold mine[J].Gold,2011,32(11):38-40.[任玉兵,黄志国,郭树林,等.鸡笼山金矿试验采场稳定性分析[J].黄金,2011,32(11):38-40.]
[3] Su Long,Liu Aihua.Study on underground mining stope stability based on quality classification of rock masses[J].China Safety Science Journal,2014,24(12):9-15.[苏龙,刘爱华.考虑岩体质量分级的地下采场稳定性研究[J].中国安全科学学报,2014,24(12):9-15.]
[4] Deng Hongwei,Hu Pulun,Zhou Keping,et al.Test of orthogonal numerical simulation on sensitivity of stope structure parameters[J].Journal of Central South University(Science and Technology),2013,44(6):2463-2469.[邓红卫,胡普仑,周科平,等.采场结构参数敏感性正交数值模拟试验研究[J].中南大学学报(自然科学版),2013,44(6):2463-2469.]
[5] Hu Jianhua,Lei Tao,Zhou Keping,et al.Time-varying optimization study of mining sequence based on reconstructed mining environment[J].Rock and Soil Mechanics,2011,3(8):2517-2522.[胡建华,雷涛,周科平,等.基于采矿环境再造的开采顺序时变优化研究[J].岩土力学,2011,3(8):2517-2522.]
[6] Tao Ganqiang,Ren Qingyun,Luo Hui,et al.Stability analysis of stope in pillarless sublevel caving[J].Rock and Soil Mechanics,2011,32(12):3768-3772.[陶干强,任青云,罗辉,等.无底柱分段崩落法采场稳定性分析[J].岩土力学,2011,32(12):3768-3772.]
[7] Ye Haiwang,Chang Jian,Zhou Lei,et al.Parameters optimization of stope structure based on FLAC3D[J].Metal Mine,2010(12):6-8.[叶海旺,常剑,周磊,等.基于FLAC3D的采场结构参数优化[J].金属矿山,2010(12):6-8.]
[8] Wang Yiming,Yao Gaohui,Xia Hongchun,et al.Mining method choice of gently inclined broken thin ore-body and optimization of stope parameters[J].Modern Mining,2010(5):15-17.[王贻明,姚高辉,夏红春,等.缓倾斜破碎薄矿体采矿方法选择与采场参数优化[J].现代矿业,2010(5):15-17.]
[9] Kong Dekuo,Li Changhong,Wei Xiaoming,et al.Computation of stope exposure area based on mathews stability diagram[J].Modern Mining,2015(5):6-8.[孔德阔,李长洪,魏晓明,等.基于 Mathews 稳定图的采场暴露面积计算[J].现代矿业,2015(5):6-8.]
[10] Dong Jinkui,Feng Xiating,Zhang Xiwei,et al.Stability evaluation and parameter optimization on the fractured rock mass around underground stope[J].Journal of Northeastern University(Natural Science),2013,34(9):1322-1326.[董金奎,冯夏庭,张希巍,等.地下采场破碎岩体稳定性评价与参数优化[J].东北大学学报(自然科学版),2013,34(9):1322-1326.]
[11] Guo Yang,Li Xibing,Ma Chunde,et al.Numerical simulation for stability of stope under different stress conditions[J].Mining and Metallurgical Engineering,2015(2):38-41.[郭阳,李夕兵,马春德,等.不同应力状态下采场稳定性的数值模拟分析[J].矿冶工程,2015(2):38-41.]
[12] Xu Wenbin,Song Weidong,Cao Shuai,et al.Stopes stability in underground mine and its control technique[J].Journal of Mining and Safety Engineering,2015,32(4):658-664.[徐文彬,宋卫东,曹帅,等.地下矿山采场群稳定性分析及其控制技术[J].采矿与安全工程学报,2015,32(4):658-664.]
[13] Liu Jianpo,Li Yuanhui,Zhang Fengpeng,et al.Stability analysis of rockmass based on acoustic emission monitoring in deep stope[J].Journal of Mining and Safety Engineering,2013,30(2):243-250.[刘建坡,李元辉,张凤鹏,等.基于声发射监测的深部采场岩体稳定性分析[J].采矿与安全工程学报,2013,30(2):243-250.]

[1] CAO Shirong,XIAO Weijing,LI Yongxin,WANG Xiaojun,ZHUO Yulong,FENG Xiao . Study on AE Characteristics of Cyclic Loading and Unloading of Ballast Cemented Backfilling Body [J]. Gold Science and Technology, 2017, 25(3): 92-97.
[2] SHI Xiuzhi,FAN Yuqian,SHANG Xueyi. Strength Prediction of Filling Body Based on PCA and BP Neural Networks [J]. Gold Science and Technology, 2016, 24(3): 64-69.
[3] LI Qiyue,WEI Jiarui,LI Yi,HUANG Wulin,ZHANG Chengjun. Application of Technology Improvement of Construction Scheme  in Deep Hole Blasting of a Gold Mine [J]. Gold Science and Technology, 2016, 24(3): 1-8.
[4] ZHUO Yulong,CHEN Chen,CAO Shirong,WANG Xiaojun,FENG Xiao. Effects of Ballast on Strength Characteristics and Damage Evolution of Filling Body [J]. Gold Science and Technology, 2016, 24(3): 76-80.
[5] DAI Xingguo,TANG Ling,CHEN Zengjian,NIE Zheng. Dynamic Optimization of Stoping Scheme Based on λ Fuzzy Measure and Choquet Integral [J]. Gold Science and Technology, 2016, 24(2): 1-7.
Viewed
Full text


Abstract

Cited

  Shared   
  Discussed   
No Suggested Reading articles found!