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- A pointed tool, such as a spike or chisel, used for breaking rock or ore. 钢楔一种如尖铁或凿子等有尖的,用于劈裂岩石或砂石的工具
- 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。
- Construction of Water Pumping Chamber in Soft Broken Rocks 软弱破碎岩体中的水泵房硐室施工
- 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;
- A pointed tool,such as a spike or chisel,used for breaking rock or ore. 钢楔一种如尖铁或凿子等有尖的,用于劈裂岩石或砂石的工具
- 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。
- A pointed tool, such as a spikeor chisel, used for breaking rock or ore. 钢楔一种如尖铁或凿子等有尖的,用于劈裂岩石或砂石的工具。
- 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。
- Consisting of broken rock, coal, or ore moved from its place of origin. 碎屑状的由从开采地移来的破碎的岩石、煤块或矿物组成的
- 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。
- Currently,the DTH rigs use generally a percussion rotary penetration sys-tem to generate the rotaing torque that produces a shearing action for breaking rock. 目前,潜孔钻机普遍采用冲击回转凿入系统,用以产生回转力矩,对岩石产生剪切作用而成颗粒分离。
- Support Design in Soft Rock Roadway 软岩巷道支护设计
- Author especially mentions the application of soundless breaking agent to break rock in riverbed to ensure the safety and reliability of construction. 对玉门沟油库穿越河床段输油管道从施工准备到施工方法上进行了详细论述,并对施工的整个过程由修筑临时道路到管道沟槽开挖。
- Practice of bolt support in deep soft rock roadway 深部软岩巷道锚杆支护实践
- Static fracture agent, after all, is one way to break rock and concrete in complicated surroundings and unable blasting condition. 在环境复杂且不能施爆的情况下,用静态破裂剂破裂岩石或混凝土不失为一条捷径。
- The boy got a good beating for breaking the window. 那男孩因打碎窗玻璃而被狠狠打了一顿。