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Optimization Research on the Structure Parameters of Filling Stope Based on MIDAS Numerical Simulation
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Juhua GE1, Yanbin LIU2, Hanqiang FEI1
Mining Research and Development | 2025, 45(6) : 32 - 38
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Mining Research and Development | 2025, 45(6): 32-38
Optimization Research on the Structure Parameters of Filling Stope Based on MIDAS Numerical Simulation
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Juhua GE1, Yanbin LIU2, Hanqiang FEI1
Affiliations
  • 1.Changsha Institute of Mining Research Co., Ltd., Changsha, Hunan 410012, China
  • 2.The Prevention and Control Center for the Geological Disaster of Henan Geological Bureau, Zhengzhou, Henan 450014, China
Published: 2025-06-25
Outline
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In view of the technical problems of safe and efficient mining faced by a large iron mine in Anhui province under the complex mining technology conditions, based on the comprehensive investigation and analysis of resource endowment characteristics, mining technology conditions and goaf status, a three-dimensional visualization model of the stope was constructed, and the collaborative mining scheme of upward horizontal layered filling method and sublevel open stoping with subsequent filling method was preliminarily determined. The MIDAS numerical simulation software was used to optimize the stope parameters. The results show that for the ore section at −470 m to −390 m, the upward horizontal layered filling method is suggested to be used, and the optimal stope span is 15 m, with a maximum tensile stress of 0.795 MPa on the roof. For the ore section at −390 m to −330 m, the sublevel open stoping with subsequent filling method is proposed, and the optimal stope span is 18 m, with a maximum tensile stress of 1.763 MPa on the roof. The engineering practice shows that the adoption of collaborative mining scheme has significantly improved the economic benefits of the mine, with a production capacity of 287−354 t/d, a recovery rate of 76.65%−90.82%, and a dilution rate of 3.95%−4.61%.

Complex mining condition  /  Filling mining  /  Structural parameter  /  Collaborative mining scheme  /  Numerical simulation
葛菊花, 刘彦宾, 费汉强. 基于MIDAS数值模拟的充填法采场结构参数优化研究. 矿业研究与开发, 2025 , 45 (6) : 32 -38 .
Juhua GE, Yanbin LIU, Hanqiang FEI. Optimization Research on the Structure Parameters of Filling Stope Based on MIDAS Numerical Simulation[J]. Mining Research and Development, 2025 , 45 (6) : 32 -38 .
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Year 2025 volume 45 Issue 6
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  • Receive Date：2024-04-25
  • Online Date：2026-10-30
  • Published：2025-06-25
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  • Received：2024-04-25
Affiliations
    1.Changsha Institute of Mining Research Co., Ltd., Changsha, Hunan 410012, China
    2.The Prevention and Control Center for the Geological Disaster of Henan Geological Bureau, Zhengzhou, Henan 450014, 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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