Overview of goaf water hazards control in China coalmines

  • Herong Gui
  • Huili Qiu
  • Weizhong Qiu
  • Shijie Tong
  • Hongzhong Zhang
Original Paper


Since 1990s, goaf water has become a frequent cause of water disaster in China coalmines, inflicting severe human casualties and huge economic losses. Based on the analysis of the goaf water disaster cases in China coalmines, this article put forward the theoretical and technological system of goaf water control, which include (1) the area and volume of goaf water are reasonably determined due to existence form of goaf water and geophysical prospecting results, (2)retaining sufficient water-resistant coal (rock) pillar to prevent goaf water inrush from adjacent and above, (3)grouting insecure or failure water-resistant coal (rock) pillar, and (4) draining goaf water using “fanned-out” normal drill and long-distance directional drill, and of all, draining goaf water through long-distance drill has been proved to be technically superior in engineering practices. The research results can be of reference to other coal-producing countries in similar geological conditions.


Goaf water Water-resistant coal (rock) pillar Grouting reinforcing Prospecting and draining China 


Funding information

This article is funded by National Natural Science Foundation of China (41373095), Practical and Innovative Project of Coal Geology Bureau of Shanxi Province (2017) and Research Project of Wanbei Coal-electricity Group Co. Ltd. (2017).


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Copyright information

© Saudi Society for Geosciences 2018

Authors and Affiliations

  • Herong Gui
    • 1
    • 2
  • Huili Qiu
    • 1
    • 2
  • Weizhong Qiu
    • 3
  • Shijie Tong
    • 4
  • Hongzhong Zhang
    • 4
  1. 1.National Engineering Research Center of Coal Mine Water Hazard Controlling (Suzhou University)SuzhouChina
  2. 2.School of Earth and EnvironmentAnhui University of Science and TechnologyHuainanChina
  3. 3.No.115 Prospecting Institute of Coal Geology of Shanxi ProvinceDatongChina
  4. 4.Wanbei Coal-Electricity Group Co. LtdSuzhouChina

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