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| Study on convergence rule and support parameter optimization of recovery roadway |
| Jiang Ming |
| No. 1 Mine, Huangling Mining Industry Corporation Ltd., Yan’an 727307, China |
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Abstract Based on No. 1 Mine of Huangling Mining Industry, the mining pressure observation settled the sized of loosing circle of roadway, convergence rule of roadway was got. Supporting effect of surrounding rock was improved and roadway support cost was reduced by optimizing roadway support parameters.
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