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- outburst danger coal seam 高突煤层
- It used draining while mining and light &middle pressure water injection in coal seam, those completely eliminated the danger of coal and gas outburst. 在生产过程中，采用边采边抽和浅孔中压注水措施，完全消除了工作面的突出危险性。
- This paper points out that the danger of coal and gas outburst is greatly increasing along with the depth of the coal seam and the intensity of the coaling. 随着矿井开采水平的延伸,开采强度的提高,煤与瓦斯突出危险程度也在不断增加;
- The paper holds that the source of gas outburst danger consists in the gas-rich area possessing thermal coal, high-potential gas as well as fragmentized coal body. 认为突出危险源是存在于采矿活动中的具备发动煤与瓦斯突出的高势能瓦斯与破碎煤体混合的瓦斯富积区。
- This paper has emphatically elaborated fracture structural factors controlling coal &gas ,,outburstmaking otherness of outburst danger on varied structural position. 阐述了断裂构造对煤与瓦斯突出的控制和不同构造部位瓦斯突出的差异性。
- Outburst prevention technique of excavating in coal seam will be directly concerned colliery safety production and excavates taking over. 摘要突出煤层煤巷掘进防突直接关系到煤矿的安全生产和采掘接替。
- This is the base to explain the relation between the gas outburst and the broken coal seam when uncovering coal in crosscut rationally. 从而很好地解释了石门揭煤条件下煤体破碎程度与突出的关系。
- Little faults in coal seam are important for coal and gas outburst prevention and control,and water outburst prevention and control. 煤层小断层对矿井煤与瓦斯突出及矿井突水防治具有重要的实际意义。
- Abstract According to the outburst features and rules in fully mechanized coal face in our country,the paper described the prediction of outburst danger by the method of roof dynamics in a roadway. 根据我国综采工作面突出特点和规律，从现场考察和理论分析相结合，论述了用巷道顶板动态法预测综采工作面的突出危险性。
- LIU Wengang, JIANG Yaodong, ZH0U Hongwei, et al.Experimental study on outburst proneness coal seam of meso character and crack destabilization[J]. 刘文岗;姜耀东;周宏伟;等.;冲击倾向性煤体的细观特征与裂纹失稳的试验研究[J]
- In this paper, geo-dynamic zoning method was used to research regional geology structure, multi-factor pattern recognition method was applied to predict regional coal and gas outburst danger. 文中通过地质动力区划方法确定区域地质构造背景，采用多因素模式识别概率预测方法完成煤与瓦斯突出危险性的区域预测。
- seam with potential outburst danger 突出危险性煤层
- The article analyzes the cause of coal and gas outburst in heading face and introduces ways,control gas outburst in heading faces with three-soft coal seam. 分析了煤巷掘进头发生煤与瓦斯突出的原因,介绍了“三软”煤层高突区域煤巷掘进头瓦斯综合治理的途径和措施。
- Coal miners; coal seams; coal haulers. 煤矿工; 煤层; 运煤工
- The results of theory and experiment are consistent, which can provide a reference to study technology which forecast gas outburst danger by electromagnetic wave penetrating. 实验与理论研究的结果相吻合，从而为利用电磁波透视法预测煤层突出危险性技术的研究奠定了基础。
- Coal seams intermixed with iron ore. 煤层和铁矿混杂在一起。
- Authors introduce a fully mechanized mining technology with great mining length, height and dip angle adopted by No.12 colliery of Pingdingshan Coal Group under the condition of outburst coal seam. 本文介绍了平煤集团十二矿在高突条件下,进行的大采长、大采高、大倾角综采开采技术,采取的措施和取得的经验,并提出了有待解决的技术问题。
- The Gaussian curvature of No.3 coal seam in Qinshui basin is calculated. 计算了沁水盆地3号煤层的高斯曲率。
- Factors affected coal seam permeability change and its law is analyzed. 分析了煤层透气性变化的影响因素及变化规律。
