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| Study on support technique of large mining depth and deep green roadway |
| Yang Aiguo, Han Shihang |
| Jiulong Mine of Jizhong Energy Fengfeng Group Handan Baofeng Mining Industry Corporation Ltd., Handan 056500, China |
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Abstract Based on practical experience of Jiulong Mine in support of arge mining depth and deep green roadway, a set of appropriate methods were summarized, which accelerated advancing preparation work of wild green thin coal seam and effectively mitigate tight cohesion in the mining production. A set of application methods of different supporting materials under different geological conditions were improved and roadway roof support level was enhanced.
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