Standard Number: NB/T 10556-2021(NB/T10556-2021)
Chinese:顺层钻孔预抽煤巷条带瓦斯防突措施效果评价方法
English:Method of evaluating the effectiveness of gas antidisruptive measures for downgrade drilling and pre-extraction of coal mine strips
Effective Date:2021-07-01
Standard Applicability:This standard applies to the coal seams that use down-grade drilling holes to pre-pump gas from coal tunnel strips to prevent and control coal and gas outbursts.
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