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- rock roadway drivage 岩巷掘进
- The improvement of the advance rate of roadway drivage is the basic guarantee for constructing highly effcient and productive mines. 提高巷道掘进单进是建设高产高效矿井的根本保证。
- Major problems in roadway drivage are revealed based on an analysis of the current situation in this area,and technological solutions are recommended for the improvement. 通过对我国巷道掘进现状的分析,指出了当前存在的主要问题,进而提出了提高单进的技术途径。
- 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;
- Keywords roadway drivage;blasting;hole stripping;direction angle; 井巷掘进;爆破;钻孔;方向角;
- 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。
- Support Design in Soft Rock Roadway 软岩巷道支护设计
- 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
- hard rock roadway with small cross-section 小断面硬岩巷道
- deep large cross section rock roadway 深部大断面岩巷