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| Application of roadway gangue filling technology in Xingdong Mine |
| Jin Xueqian, Xing Shikun |
| Xingdong Mine, Jizhong Energy Corporation Ltd., Xingtai 054001, China |
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Abstract In order to free the mining under water, building and roadway, a study on roadway gangue filling was conducted in the 1100 south mining area of Xingdong Mine. The study showed that coal resources can be recovered by using interval jump mining. Due to the filling of the roadway, the support strength of the roadway can be properly reduced. The ground settlement observation showed that the surface deformation value was small, and the building deformation was within class I. The roadway gangue filling achieved good economic and social benefits, which provided a reference for coal resource recovery under similar conditions.
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