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针对83002号煤层特点,对该工作巷道进行了锚网、喷、架支护的设计,并对巷道支护效果进行监测,实践证明锚喷网架支护技术在深部区易......
结合矿区煤层特点，根据突出点瓦斯基础参数计算区域预测综合指标Ｄ、Ｋ值，从而确定焦作矿区煤层条件的突出临界值指标。......
<正> Jurassic weak & non-stick coal in Hengshan of North Shaanxi Province was pretreated by the nitric acid.Then,it was ......
<正> According to the cover rock caving features,the gob of fully mechanized caving face was divided into 3 zones: natur......
介绍了晋城煤业集团公司根据厚煤层可钻可抽的赋存特点，采用MK-6钻机施工长钻孔的成功技术经验，并总结了布置长钻孔、实行开采层区域......
