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Study on Propagation Law of Shock Gas Induced by Instability of Goaf
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Yue Lu1, 2, 3, 4, 5, Yang Liu1, 2, 3, 4, Wencai Wang1, 2, 3, 4
Science & Technology of Baotou Steel | 2025, 51(3) : 14 - 19
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Science & Technology of Baotou Steel | 2025, 51(3): 14-19
• Production Practices and Management •
Study on Propagation Law of Shock Gas Induced by Instability of Goaf
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Yue Lu1, 2, 3, 4, 5, Yang Liu1, 2, 3, 4, Wencai Wang1, 2, 3, 4
Affiliations
  • 1. School of Mining and Coal, Inner Mongolia University of Science and Technology,Baotou 014010, Inner Mongolia Autonomous Region, China
  • 2. Inner Mongolia Collaborative Innovation Center for Green Mining and Green Utilization of Coal,Baotou 014010, Inner Mongolia Autonomous Region, China
  • 3. Inner Mongolia Key Laboratory of Mining Engineering, Baotou 014010,Inner Mongolia Autonomous Region, China
  • 4. Inner Mongolia Research Center for Engineering Technology of Safe Coal Mining and Utilization,Baotou 014010, Inner Mongolia Autonomous Region, China
  • 5. Baotou Steel Survey and Mapping Research Institute, Baotou 014010,Inner Mongolia Autonomous Region, China
Published: 2025-06-25
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The propagation model of shock gas is established by taking the shock gas induced by instability of goaf as research background as well as the change rules of propagation rate are analyzed with the laboratory test that simulates shock gas and numerical simulation method. The study results showed that the model of flow past body of shock gas consisted of stages of uniform motion and accelerated motion; the larger the falling height of roof of goaf, the smaller the proportion of duration of uniform motion stage and the larger the proportion of duration of accelerated motion stage. The study results could provide references for prevention and treatment of shock gas disaster induced by instability of goaf.

goaf  /  shock gas  /  propagation law  /  instability disaster
Yue Lu, Yang Liu, Wencai Wang. Study on Propagation Law of Shock Gas Induced by Instability of Goaf[J]. Science & Technology of Baotou Steel, 2025 , 51 (3) : 14 -19 .
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Article Info
  • Receive Date：2025-04-09
  • Online Date：2025-10-17
  • Published：2025-06-25
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  • Received：2025-04-09
Affiliations
    1. School of Mining and Coal, Inner Mongolia University of Science and Technology,Baotou 014010, Inner Mongolia Autonomous Region, China
    2. Inner Mongolia Collaborative Innovation Center for Green Mining and Green Utilization of Coal,Baotou 014010, Inner Mongolia Autonomous Region, China
    3. Inner Mongolia Key Laboratory of Mining Engineering, Baotou 014010,Inner Mongolia Autonomous Region, China
    4. Inner Mongolia Research Center for Engineering Technology of Safe Coal Mining and Utilization,Baotou 014010, Inner Mongolia Autonomous Region, China
    5. Baotou Steel Survey and Mapping Research Institute, Baotou 014010,Inner Mongolia Autonomous Region, China
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表12种不同金属材料的力学参数
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Number of
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Number of
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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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