Multi-method Based Optimization of Crown Pillar Thickness from Open Pit to Underground
XU Shuai1, AN Long1, LI Yuan-hui1, LU Dong2
1.Key Laboratory of Ministry of Education on Safe Mining of Deep Metal Mines, Northeastern University, Shenyang 110819, China; 2. Guilaizhuang Gold Mine, Shandong Gold Group Co. Ltd., Linyi 273300, China.
XU Shuai, AN Long, LI Yuan-hui, LU Dong. Multi-method Based Optimization of Crown Pillar Thickness from Open Pit to Underground[J]. Journal of Northeastern University Natural Science, 2018, 39(8): 1181-1186.
[1]Cheng J H,Gu D S,Li J X.Optimization principle of combined surface and underground mining and its applications[J].Journal of Central South University of Technology,2003,10(3):222-225. [2]徐长佑.露天转地下开采[M]. 武汉:武汉工业大学出版社,1989.(Xu Chang-you.Open pit to underground mine[M].Wuhan:The Press of Wuhan University of Technology,1989.) [3]Bakhtavar E.Transition from open-pit to underground in the case of Chah-Gaz iron ore combined mining[J].Journal of Mining Science,2013,49(6):955-966. [4]Carter T G.A new approach to surface crown pillar design[C] // Proceedings of 16th Canadian Rock Mechanics Symposium.Sudbury,1992:75-83. [5]Carter T G.An update on the scaled span concept for dimensioning surface crown pillars for new or abandoned mine workings[C]//4th North American Rock Mechanics Symposium.Seattle,2000:465-472. [6]Carter T G.Guidelines for use of the scaled span method for surface crown pillar stability assessment[EB/OL].[2017-02-15].https:// www.rocscience.com/help/cpillar/webhelp/pdf_files/papers/Trevor_Carter_2014.pdf. [7]李元辉,南世卿,赵兴东,等. 露天转地下境界矿柱稳定性研究[J]. 岩石力学与工程学报,2005,24(2):278-283.(Li Yuan-hui,Nan Shi-qing,Zhao Xing-dong,et al.Stability of boundary pillars for transition from open pit to underground mining[J].Journal of Rock Mechanics and Engineering,2005,24(2):278-283.) [8]马天辉,唐春安,杨天鸿,等. 露天转地下开采中顶柱稳定性分析[J]. 东北大学学报(自然科学版),2006,27(4):450-453.(Ma Tian-hui,Tang Chun-an,Yang Tian-hong,et al.Analysis of stability of top pillar when coming into underground mining from open-pit[J].Journal of Northeastern University (Natural Science),2006,27(4):450-453.) [9]宋卫东,杜建华,杨幸才,等.深凹露天转地下开采高陡边坡变形与破坏规律[J].北京科技大学学报,2010,32(2):145-151.(Song Wei-dong,Du Jian-hua,Yang Xing-cai,et al.Deformation and failure of a high steep slope due to transformation from deep open-pit to underground mining[J].Journal of University of Science and Technology Beijing,2010,32(2):145-151.) [10]杨天鸿,张锋春,于庆磊,等.露天矿高陡边坡稳定性研究现状及发展趋势[J].岩土力学,2011,32(5):1437-1451.(Yang Tian-hong,Zhang Feng-chun,Yu Qing-lei,et al.Research situation of open-pit mining high and steep slope stability and its developing trend[J].Rock and Soil Mechanics,2011,32(5):1437-1451.) [11]Zhao X D,Li L C,Tang C A,et al.Stability of boundary pillars in transition from open pit to underground mining[J].Journal of Central South University,2012,19(11):3256-3265. [12]Li X B,Li D Y,Liu Z X,et al.Determination of the minimum thickness of crown pillar for safe exploitation of a subsea gold mine based on numerical modelling[J].International Journal of Rock Mechanics and Mining Sciences,2013,57:42-56.