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Determination of Critical Mining Scope of Adjacent Orebody
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Xiaoqiang GUO1, 2, 3, Gang WANG1, Min HUANG1, 2, Qingkun CHEN1, Shi HUA4, Jiaming WEN1, 2
Mining and Metallurgical Engineering | 2023, 43(4) : 26 - 31
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Mining and Metallurgical Engineering | 2023, 43(4): 26-31
• MININP •
Determination of Critical Mining Scope of Adjacent Orebody
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Xiaoqiang GUO1, 2, 3, Gang WANG1, Min HUANG1, 2, Qingkun CHEN1, Shi HUA4, Jiaming WEN1, 2
Affiliations
  • 1.Zijin Mining Group Co Ltd, Shanghang 364200, Fujian, China
  • 2.Zijin(Changsha)Engineering Technology Co Ltd, Changsha 410208, Hunan, China
  • 3.School of Resources and Security Engineering, Central South University, Changsha 410083, Hunan, China
  • 4.Hunan Transportation Research Institute Co Ltd, Changsha 410015, Hunan, China
Published: 2023-08-01 doi: 10.3969/j.issn.0253-6099.2023.04.006
Outline
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In order to define a mutual disturbance range between the upper and lower ore belts of a copper-gold mine during 8-year co-mining period, a deformation law of stratum by natural caving mining method is summarized based on the characteristics of stratum movement and deformation induced by mining. Combined with the actual mining technologies on site, a law of rock movement is explored for the lower ore belt by adopting engineering analogy method, theoretical calculation method and numerical simulation method, and the critical mining-induced disturbance range is defined to ensure safe mining of the upper ore belt, which provides a basis for the planning and layout for the mining of the lower ore belt. It is found that for safe mining of the upper ore belt, the lower ore belt should have security pillars of about 550 m along the strike, with the minimum angle of stratum movement within the range from 70° to 73.3°.

mining engineering  /  natural caving mining method  /  security pillar  /  angle of stratum movement
Xiaoqiang GUO, Gang WANG, Min HUANG, Qingkun CHEN, Shi HUA, Jiaming WEN. Determination of Critical Mining Scope of Adjacent Orebody[J]. Mining and Metallurgical Engineering, 2023 , 43 (4) : 26 -31 . DOI: 10.3969/j.issn.0253-6099.2023.04.006
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Year 2023 volume 43 Issue 4
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Article Info
doi: 10.3969/j.issn.0253-6099.2023.04.006
  • Receive Date：2023-02-26
  • Online Date：2026-03-05
  • Published：2023-08-01
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  • Received：2023-02-26
Funding
Affiliations
    1.Zijin Mining Group Co Ltd, Shanghang 364200, Fujian, China
    2.Zijin(Changsha)Engineering Technology Co Ltd, Changsha 410208, Hunan, China
    3.School of Resources and Security Engineering, Central South University, Changsha 410083, Hunan, China
    4.Hunan Transportation Research Institute Co Ltd, Changsha 410015, Hunan, China
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https://castjournals.cast.org.cn/joweb/kygczz/EN/10.3969/j.issn.0253-6099.2023.04.006
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Citations
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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