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Research on Three-dimensional Numerical Simulation of Dam Break of Huiling Tailings Pond Based on PFC3D
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Yuan-le ZHU1, 2, 3, Xin-yong ZHAO4, Qi-xuan WANG1, 2, 3, Ting LIU1, 2, 3
Water Resources and Power | 2023, 41(8) : 94 - 97
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Water Resources and Power | 2023, 41(8): 94-97
• DAM SAFETY AND MONITORING •
Research on Three-dimensional Numerical Simulation of Dam Break of Huiling Tailings Pond Based on PFC3D
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Yuan-le ZHU1, 2, 3, Xin-yong ZHAO4, Qi-xuan WANG1, 2, 3, Ting LIU1, 2, 3
Affiliations
  • 1.Changsha Mining Research Institute Co., Ltd., Changsha 410012, China
  • 2.State Key Laboratory of Metal Mine Safety Technology, Changsha 410012, China
  • 3.Hunan Engineering and Technology Research Center for Mine Geological Disaster Prevention and Environmental Reconstruction, Changsha 410012, China
  • 4.Tongkeng Mining Branch, Guangxi Huaxi Mining Co., Ltd., Nandan 547204, China
Published: 2023-08-25 doi: 10.20040/j.cnki.1000-7709.2023.20221577
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In order to study the impact of the dam break of the Huiling tailings pond in Guangxi on the downstream region, a three-dimensional model of the tailings pond region conforming to the actual terrain was established with the help of GOCAD and Rhino software. In addition, PFC3D discrete element simulation software was used to simulate the state of dam break when the tailings pond runs to the final accumulation elevation +490 m, and the possible submerged range of tailings discharge and the area affected by tailings debris flow were analyzed. The results show that the evolution rate of tailings debris flow increases rapidly to the maximum value in a short time after dam break, and then decreases gradually. The farther away from the dam site, the faster the reduction of tailings debris flow evolution rate is. When the evolution time of dam break is 1 100 s, the furthest evolution distance of tailings is 1 215 m at the foot of tailings dam, the maximum width of the drainage body is 853 m, and the maximum depth is about 30 m. In the process, many sensitive points are submerged. The research provides decision-making information for early warning, personnel evacuation and flood relief of tailings pond accident.

tailings pond  /  dam break  /  numerical simulation  /  PFC3D  /  discrete element method
Yuan-le ZHU, Xin-yong ZHAO, Qi-xuan WANG, Ting LIU. Research on Three-dimensional Numerical Simulation of Dam Break of Huiling Tailings Pond Based on PFC3D[J]. Water Resources and Power, 2023 , 41 (8) : 94 -97 . DOI: 10.20040/j.cnki.1000-7709.2023.20221577
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Article Info
doi: 10.20040/j.cnki.1000-7709.2023.20221577
  • Receive Date：2022-08-01
  • Online Date：2026-01-28
  • Published：2023-08-25
Article Data
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History
  • Received：2022-08-01
  • Revised：2022-09-09
Funding
Affiliations
    1.Changsha Mining Research Institute Co., Ltd., Changsha 410012, China
    2.State Key Laboratory of Metal Mine Safety Technology, Changsha 410012, China
    3.Hunan Engineering and Technology Research Center for Mine Geological Disaster Prevention and Environmental Reconstruction, Changsha 410012, China
    4.Tongkeng Mining Branch, Guangxi Huaxi Mining Co., Ltd., Nandan 547204, China
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https://castjournals.cast.org.cn/joweb/sdnykx/EN/10.20040/j.cnki.1000-7709.2023.20221577
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表12种不同金属材料的力学参数
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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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