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- driving rock roadway 岩巷掘进
- Soft rock roadway has the character of continuous plastic deformation. It's difficult to control using the single supporting way. 高应力软岩巷道具有持续塑性变形破坏特征,单一支护方式难以控制。
- Supporting technique in deep-seated high stressed soft rock roadway is always one of the puzzles in underground engineering field at home and abroad. 深井高应力软岩巷道支护一直是国内外地下工程支护的难题之一。
- Directing to the problems existing in goaf roadway in soft rock roadway,find out the optimum solvent and make goaf roadway technology all_round way spread. 针对沿空送巷在软岩地区存在的几个问题,提出解决措施,找到解决问题的最佳办法,使沿空送巷技术得到全面推广。
- Technique of secondary bolt/shotcreting support for deep rock roadway, with the East Main Roadway deep to 1 300 m in Suncun Coal Mine as an example, was analyzed. 摘要以孙村煤矿埋深1300m的东大巷应用为例,系统分析了深部岩巷锚喷二次支护技术。
- Technique of secondary bolt/shotcreting support for deep rock roadway,with the East Main Roadway deep to 1 300 m in Suncun Coal Mine as an example,was analyzed. 以孙村煤矿埋深1300m的东大巷应用为例,系统分析了深部岩巷锚喷二次支护技术。
- Based on the basic features of soft rock,the paper analyses that dilatancy characteristics is an important factor influencing upon surrounding ground stability of deep soft rock roadway. 针对软岩巷道的特点,利用泥灰岩三轴试验结果,分析了膨胀特性对深井软岩巷道围岩稳定性的影响;
- Make an analysis and approach on the problems of bolting and shotcreting in rock roadway construction, the methods of improving the support result are provided and have made good result. 总结了岩巷掘进推广应用“三小”的情况和在提高单进、降低掘进成本等方面取得的经济效益,提出了存在问题和建议。
- With grouting-bolting as the kernel, pre-stressed anchor rope truss as the assistant, the combined supporting system solved the supporting problem in deep-seated high stressed soft rock roadway. 通过以锚注为核心、预应力锚索和锚索桁架为辅助的的锚注联合支护体系解决了深井高应力软岩巷道的支护问题。
- Based on the basic features of soft rock, the paper analyses that dilatancy characteristics is an important factor influencing upon surrounding ground stability of deep soft rock roadway. 摘要针对软岩巷道的特点,利用泥灰岩三轴试验结果,分析了膨胀特性对深井软岩巷道围岩稳定性的影响;
- Aiming at difficulties in supporting dilatable soft rock roadway, control method was put forward to control effectively deformation and failure of dilatable soft rock roadway in Hongmiao Colliery. 针对红庙煤矿膨胀性软岩巷道存在的难题,给出了针对性的巷道控制方案,并在实践中得到了验证,有效地控制了红庙煤矿膨胀性软岩巷道的变形和破坏。
- The paper introduced the excavation features,blasting method and parameters,construction technology and organization of the shallow borehole smooth blasting technology in clay and rock roadway. 介绍了浅孔光爆技术在黏土岩中的掘进特点、爆破方法及参数、施工工艺及组织。
- 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。
- I-steel arch set support in rock roadway driving in fault fragmentation zone 断层带岩巷工字钢拱形棚支护
- The main implication is that Mars does not have tectonics capable of driving rocks to great depths (where they are heated and squeezed) and then bringing them back to the surface. 这主要显示,火星没有板块活动,无法将岩石推入地底(它们在那里被加热、挤压)且再将它们重新带回地表。
- Support Design in Soft Rock Roadway 软岩巷道支护设计
- That noise is driving me frantic. 那种噪音真要把我弄疯了。
- Practice of bolt support in deep soft rock roadway 深部软岩巷道锚杆支护实践
- The Way for Quick Excavation in Rock Roadway 实现岩巷快速掘进的途径