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Yu Jianhao Mao Debing, . Status and countermeasures of roof management in China coal mines[J]. COAL SCIENCE AND TECHNOLOGY, 2017, (5).
Citation: Yu Jianhao Mao Debing, . Status and countermeasures of roof management in China coal mines[J]. COAL SCIENCE AND TECHNOLOGY, 2017, (5).
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Status and countermeasures of roof management in China coal mines

  • Mining and Design Department, Tiandi Science and Technology Co, Ltd. Mining and Design Branch, China Coal Research Institute

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  • Available Online: April 02, 2023
  • Published Date: May 24, 2017
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  • With the reform of coal mining equipment and support technology and the gradual withdrawal of small and medium coal mines, the status of roof management of coal mines in China has been fundamentally improved. The number of roof accidents and deaths drop significantly, but the proportion is still large, and roof disaster prevention situation is still grim. Based 0n this, this paper analyzes the current situation of roof management in China based on the improvement of supporting equipment and support technology and support pattern of roadway with special and complicated conditions. Then, according to the statistic analysis of roof accidents in China from 2000 to 2015, the general distribution and disaster characteristics of roof accidents in recent years are obtained. And the causes of traditional roof accidents and new roof accidents are summarized. Finally, combined with the current objective reality of coal mine and the present technical development status, the paper puts forward the prevention and treatment suggestions and countermeasures of roof management in China which can provide reference for coal mine supervising departments and coal enterprises to strengthen roof management.
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