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Analysis and control of hydraulic support stability in fully-mechanized longwall face to the dip with great mining height

被引：0
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作者：
华心祝 [1 ]
王家臣 [2 ]
机构：
[1] The MOE Key Laboratory of Coaimine Safety and High Efficiency Mining,Anhui University of Science and Technology,Huainan ,China
[2] School of Resource and Safety Engineering,China University of Mining and Technology (Beijing),Beijing
来源：
Journal of Coal Science & Engineering(China) | 2008年 / 14卷 / 03期
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摘要：
<正> The working condition of the hydraulic support in working face can be divided into three kinds of situations in the following: roof fall and collapse with cavity,advancing support and supporting.Took single support with four-pole in longwall face to the dip as research object,control method was studied to avoid support instability in three situations mentioned above.Based on these researches,the major factors of influencing on support stability and its controlling measures were put forward.According to specific conditions of working face 1215(3),which is fully-mechanized and Iongwall face to the dip with great mining height in Zhangji Coal Mine,Huainan Mining Group,the effective measures was taken to control supports stability.
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