Thoughts on mine water control and treatment in Yushen mining area

Authors

FAN Limin, Key Laboratory of Mine Geological Hazard Mechanism and Control, Shaanxi Institute of Geo-Environment Monitoring, Xi'an 710054, China
SUN Kui, Key Laboratory of Mine Geological Hazard Mechanism and Control, Shaanxi Institute of Geo-Environment Monitoring, Xi'an 710054, China; School of Geology and Environment, Xi'an University of Science and Technology, Xi'an 710054, China
LI Cheng, Key Laboratory of Mine Geological Hazard Mechanism and Control, Shaanxi Institute of Geo-Environment Monitoring, Xi'an 710054, China; School of Geology and Environment, Xi'an University of Science and Technology, Xi'an 710054, China
NING Kuibin, Key Laboratory of Mine Geological Hazard Mechanism and Control, Shaanxi Institute of Geo-Environment Monitoring, Xi'an 710054, China
JI Ruijun, School of Geology and Environment, Xi'an University of Science and Technology, Xi'an 710054, China

Abstract

In order to scientifically explain the water gusting(bursting) events with large water inflow in Yushen mining area and provide basic information for mine water control and treatment, this paper analyzes the water bursting events and large mine water gusting situations in recent years, and questions such as formation mechanism of large water inflow in mine, hydrogeological property of red soil layer and accuracy of mine inflow prediction are put forward. It expounds how to break through the "mine field" scope and study groundwater system and water bursting source in terms of regions and focus on weakly water-rich aquifers such as Yan'an Formation, Zhiluo Formation, and Luohe Formation sandstone aquifer, looking for the water bursting source from diversion fissure zone. And the paper evaluates the hydrogeological conditions of each rock(soil) layer, permeability evolution of mining-induced strata(aquifers), as well as explore the source prevention of mine water disasters and ideas of regional governance. Based on the above thoughts, it puts forward that the hydrogeological conditions and the contribution to the water gusting(bursting) of coal mine should be recognized regionally to reveal the formation mechanism of large water inflow in mine. Hydrogeological complementary exploration to identify aquifer, water-resisting layer and their spatial occurrence relationship accurately should be strengthed. It is to explore the development law of water-conducting fracture zone under the environment of large mining height and large mining surface and put forward the prevention and control measures for mine water disasters based on strong runoff zone of groundwater with regional recognition and locally rich water area, which provides reference and help for the water disaster control and treatment in Yushen Coal Mine.

Keywords

mine water control and treatment, water-preserved coal mining, source of water inrush, Yushen mining area

DOI

10.3969/j.issn.1001-1986.2021.01.019

Recommended Citation

FAN Limin, SUN Kui, LI Cheng, et al. (2021) "Thoughts on mine water control and treatment in Yushen mining area," Coal Geology & Exploration: Vol. 49: Iss. 1, Article 20.
DOI: 10.3969/j.issn.1001-1986.2021.01.019
Available at: https://cge.researchcommons.org/journal/vol49/iss1/20

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