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In Bangzhong Zinc-Copper Mine in Tibet, a mining method consisting of stoping followed by backfilling is adopted to excavate ores. In order to further improve production efficiency and economic benefits in the mine, rock mass quality was classified based on the investigation of geoengineering and geomechanics and rock mechanics test, and key factors influencing stability of stopes were analyzed in combination with the layout of mining and cutting engineering. On this basis, stope structure parameters were optimized by using a variety of empirical stability charts. The results show that the improved stability chart is highly adaptable and a stop with span extended from 12.5 m to 20 m can still meet safety requirement in the mining production.

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为进一步提高西藏帮中锌铜矿阶段空场嗣后充填采矿法的生产效率及经济效益,在工程地质力学调查和岩石力学试验基础上对矿区矿岩进行岩体质量分级,并结合矿山采切工程布置分析影响采场稳定性的关键因素;在此基础上应用多种经验稳定图表法优化采场结构参数。结果表明,改进的稳定图表法适应性强,采场跨度可从12.5 m扩大到20 m,仍满足矿山生产安全要求。

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赵兴东(1975—),男,辽宁沈阳人,教授,博士研究生导师,主要从事采矿地压与控制研究。

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赵兴东(1975—),男,辽宁沈阳人,教授,博士研究生导师,主要从事采矿地压与控制研究。

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赵兴东(1975—),男,辽宁沈阳人,教授,博士研究生导师,主要从事采矿地压与控制研究。

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西藏帮中锌铜矿采场结构参数优化
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赵兴东 1 , 周鑫 1 , 田斌 2 , 范晓苏 2
矿冶工程杂志 | 采矿 2023,43(4): 12-15
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矿冶工程杂志 | 采矿 2023, 43(4): 12-15
西藏帮中锌铜矿采场结构参数优化
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赵兴东1, 周鑫1, 田斌2, 范晓苏2
作者信息
  • 1.东北大学 深部金属矿采动安全实验室,辽宁 沈阳 110000
  • 2.西藏中凯矿业股份有限公司林周分公司,西藏 拉萨 850000
  • 赵兴东(1975—),男,辽宁沈阳人,教授,博士研究生导师,主要从事采矿地压与控制研究。

Optimization of Stope Structure Parameters for Bangzhong Zinc-Copper Mine in Tibet
Xingdong ZHAO1, Xin ZHOU1, Bin TIAN2, Xiaosu FAN2
Affiliations
  • 1.Labrotary of Safe Mining in Deep Metal Mine, Northeastern University, Shenyang 110000, Liaoning, China
  • 2.Linzhou Branch of Tibet Zhongkai Mining Co, Lhasa 850000, Tibet, China
出版时间: 2023-08-01 doi: 10.3969/j.issn.0253-6099.2023.04.003
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为进一步提高西藏帮中锌铜矿阶段空场嗣后充填采矿法的生产效率及经济效益,在工程地质力学调查和岩石力学试验基础上对矿区矿岩进行岩体质量分级,并结合矿山采切工程布置分析影响采场稳定性的关键因素;在此基础上应用多种经验稳定图表法优化采场结构参数。结果表明,改进的稳定图表法适应性强,采场跨度可从12.5 m扩大到20 m,仍满足矿山生产安全要求。

空场嗣后充填采矿法  /  岩体质量分级  /  稳定图表法  /  采场结构参数

In Bangzhong Zinc-Copper Mine in Tibet, a mining method consisting of stoping followed by backfilling is adopted to excavate ores. In order to further improve production efficiency and economic benefits in the mine, rock mass quality was classified based on the investigation of geoengineering and geomechanics and rock mechanics test, and key factors influencing stability of stopes were analyzed in combination with the layout of mining and cutting engineering. On this basis, stope structure parameters were optimized by using a variety of empirical stability charts. The results show that the improved stability chart is highly adaptable and a stop with span extended from 12.5 m to 20 m can still meet safety requirement in the mining production.

stoping followed by backfilling  /  rock mass quality classification  /  stability chart method  /  stope structure parameters
赵兴东, 周鑫, 田斌, 范晓苏. 西藏帮中锌铜矿采场结构参数优化. 矿冶工程杂志, 2023 , 43 (4) : 12 -15 . DOI: 10.3969/j.issn.0253-6099.2023.04.003
Xingdong ZHAO, Xin ZHOU, Bin TIAN, Xiaosu FAN. Optimization of Stope Structure Parameters for Bangzhong Zinc-Copper Mine in Tibet[J]. Mining and Metallurgical Engineering, 2023 , 43 (4) : 12 -15 . DOI: 10.3969/j.issn.0253-6099.2023.04.003
  • 国家自然科学基金重点项目(52130403)
  • 中央高校基本科研业务费专项(N2001033)
2023年第43卷第4期
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doi: 10.3969/j.issn.0253-6099.2023.04.003
  • 接收时间:2023-02-05
  • 首发时间:2026-03-05
  • 出版时间:2023-08-01
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  • 收稿日期:2023-02-05
基金
国家自然科学基金重点项目(52130403)
中央高校基本科研业务费专项(N2001033)
作者信息
    1.东北大学 深部金属矿采动安全实验室,辽宁 沈阳 110000
    2.西藏中凯矿业股份有限公司林周分公司,西藏 拉萨 850000
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2种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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