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- W2372135199 abstract "In order to ensure successfully withdrawing of the powered supports during the terminal mining period of the fully mechanized top coal caving mining face,based on mining technical conditions of the coal mining face in Buliangou Mine,with the site mine strata pressure observation and analysis,the mine strata pressure behavior law of the fully mechanized top coal caving mining face during the terminal mining period was studied.The study showed that after no top coal caving operation conducted at the terminal mining stage of the fully mechanized top coal caving mining face,the roof weighting step distance of the coal mining face was increased and the weighting intensity was in a reduced tendency.With the mining depth increased,the roof would be broken,a sliding stability lost would be turned to a rotary stability lost and the mine strata pressure behavior degree would be reduced.The working resistance of the timber packed supports increased in the main withdrawing gateway could effectively reduce the surrounding rock deformation and stability lost of the roof and floor and would be favorable to the surrounding rock stability of the gateway and the successful withdrawing of the powered supports." @default.
- W2372135199 created "2016-06-24" @default.
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- W2372135199 date "2013-01-01" @default.
- W2372135199 modified "2023-09-26" @default.
- W2372135199 title "Mine Strata Pressure Behavior Law of Fully Mechanized Top Coal Caving Mining Face During Terminal Mining Period in Buliangou Mine" @default.
- W2372135199 hasPublicationYear "2013" @default.
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