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Optimization of Stope Structure Parameters for Bangzhong Zinc-Copper Mine in Tibet
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Xingdong ZHAO1, Xin ZHOU1, Bin TIAN2, Xiaosu FAN2
Mining and Metallurgical Engineering | 2023, 43(4) : 12 - 15
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Mining and Metallurgical Engineering | 2023, 43(4): 12-15
• MININP •
Optimization of Stope Structure Parameters for Bangzhong Zinc-Copper Mine in Tibet
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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
Published: 2023-08-01 doi: 10.3969/j.issn.0253-6099.2023.04.003
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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.

stoping followed by backfilling  /  rock mass quality classification  /  stability chart method  /  stope structure parameters
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
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Article Info
doi: 10.3969/j.issn.0253-6099.2023.04.003
  • Receive Date：2023-02-05
  • Online Date：2026-03-05
  • Published：2023-08-01
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  • Received：2023-02-05
Funding
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
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
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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