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| Study on Gas Emission Law of Heading Face
in High Gas Mine |
| ZHU Ya-juan1, KOU De-rui2, ZHAO Sheng-zhong2，CHEN Ya-peng2 |
| 1.Gansu Coal Industry School, Baiyin 730913, China; 2. Dashuitou Mine，Gansu Province Jingyuan Coal Group, Baiyin 730913, China |
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Abstract Based on roadway gas concentration overrun easily appearing in high gas mine working face mining, through gas monitoring in 105 fully mechanized caving face site of Dashuitou Mine, gas emission regularity of working face and tunnel wall were analyzed, main factors affecting roadway gas overrun in mining were found out. According to the law of gas emission in the construction, ensured the mining production safety.
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