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- blasting driving coal roadway 炮掘煤巷
- Application of Waterpower Extruding Method in Driving Coal Roadway in Out-bursting Coal Seam 水力挤出在突出煤层巷道掘进中的应用
- Existing Problems of Coal Roadway Bolting Technology in Datong Coalmines Group Co. 煤巷锚杆支护技术在同煤集团应用中存在的问题。
- The results show the combined roof trusses has a practical support effect in coal roadway. 研究表明组合桁架锚杆对煤巷具有良好的支护效果。
- Poor machining quality of drillpipe of coal roadway drilling machine and the cause of rupture on case are analysed. 分析了煤矿用坑道钻机钻杆的加工质量问题和现场使用时产生断裂的原因。
- Aimed at the gas gush change law of every construction craft in the blasting driving face,the appropriate measure is adopted for gas comprehensive management. 针对炮掘工作面各施工工艺瓦斯涌出的变化规律,采取了相应的应对措施进行综合治理,取得了良好的效果,为掘进面的安全掘进提供了有力支撑。
- The combined support with cable bolt wire mesh and shotcreting is applied in coal roadway in Xingan Coal Mine of Hegang Mining Industry Group. 鹤岗矿业集团兴安煤矿在煤巷中应用锚索锚杆挂网喷喧支护,取得了较好的技术经济效果。
- In 1997, the Xingtai Mine succeeded in using bolting &boltmesh supporting tech. in coal roadway(supporting the top coal along the bottom). 1997年,邢台矿在全煤(沿底托顶煤)巷道采用锚杆加锚索的支护技术获得成功。
- According to the experiences with rapid drilling in mechanized caving coal roadway, the author analyzes and proposes the measures to improve drilling - speed. 根据多年机掘煤巷快速掘进施工经验进行因素分析并提出了进一步提高快速掘进的措施。
- Owing to the the fact that the difficult-to-work seams account for over 90% of these worked by hydromines,tbe coal roadway bolting technique has made slow progress. 由于煤层地质构造复杂,煤厚变化大等难采煤层条件在水采矿区占90%25以上,故水采矿井煤巷钻杆支护技术发展缓慢。
- Technics Research on Fast Driving with Exploding in Coal Roadway 煤巷炮掘快速施工工艺研究
- By means of similarity-simulation test the authors have studied the displacement law of surrounding rock in coal roadway supported by the roof trusses,bolt-mesh shoterete and H-beam steel. 通过相似模拟试验,研究煤巷采用组合桁架锚杆、锚架网和工字钢支护时的变形玻坏规律,由此对比分析探讨组合桁来锚杆的支护效果。
- He emphasized the importance of careful driving. 他强调小心驾驶的重要性。
- He was had up for dangerous driving. 他因危险驾驶而被控告。
- The accordion was in full blast in the hall. 在大厅里手风琴拉得非常响亮。
- The Trial of bolt-mesh support on coal roadway 煤巷锚梁网支护试验
- Testing method of bolting support in coal roadway 煤巷锚杆支护的监测方法
- The party was going on in full blast. 聚会进行得热闹非凡。
- That noise is driving me frantic. 那种噪音真要把我弄疯了。
- Coal roadway influenced by mining 采动煤巷