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| Initial design of 150505 open - cut support in Maijie Coal Industry |
| Tian Wei |
| Shanxi Shouyang Luyang Maijie Coal Industry Co., Ltd., Jinzhong 045400, China |
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Abstract In order to achieve the safe mining of the working face, the support of the open-off cut was designed in combination with the geological conditions of No.150505 Face in Maijie Coal Industry. In the design of open-off cut, engineering analogy method and theoretical analysis method are adopted. According to the design scheme, the roof and floor displacement at the open cut can be controlled at about 150 mm, which ensures the safe mining of coal mines.
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