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- mined rock mass 采动岩体
- Unloading rock mass mechanics II. 卸荷岩体力学2。
- The rock mass produced by an intrusive process. 侵入岩浆岩浆侵入过程中生成的岩块
- By similarity simulation experiment, we analysis the mining-induced fracture distribution and permeability of coal and rock mass near protective layer mined by speckle method. 阐述了含瓦斯煤的力学特性:通过相似模拟实验,用散斑法对保护层开采过程中来动裂隙分布规律及煤岩体的渗透性进行了分析。
- The test simulated truthfully ground deformation and rock mass movement at different mine level. 该试验逼真地模拟地下不同的开采水平引起的地表变形和围岩移动过程。
- Simultaneously, the displacements of the rock mass were monitored. 与此同时,还对矿房围岩的变形进行了监测;
- A fracture or crack in a rock mass along which no appreciable movement has occurred. 裂缝,裂口岩石块中的碎片或缝隙,在其周围未发生过可被觉察到的运动
- The rock mass of syenite porphyry in the north part of Babaoshan coal mine was demonstrated on its lithologic characters,geologic age and occurence. 从岩体的岩性、时代、产状等方面,论证了八宝山煤矿北部的正长斑岩体为一岩盖,下部找煤前景可观,可在井下实施巷探和定向钻探找煤,以延长矿井寿
- Antiseepage of corroded rock mass is one of the most important problems of water-power engineering, mine engineering and traffic engineering. 溶蚀岩体的防渗是水电工程、矿山工程和交通工程的重要难题之一。
- The prerequisite of rock burst occurrence is that the elastic energy in coal and rock mass around coal mine roadway and stope has accumulated enough. 冲击地压发生的前提是矿山井巷和采场周围的煤岩体中储存了足够的弹性能。
- The study result of in-situ rock mass stress field is one of necessary original data for mine project design, safety construction and production. 岩体原岩应力场的研究成果是矿山工程设计、安全施工与生产必不可少的原始资料之一。
- mining rock mass system 采动岩体系统
- Theory and practice of grouting drainage and anchorage of rock mass II. 岩体灌浆排水锚固理论与实践2。
- There is a large scale of dynam-relaxed rock mass lies in Daliushu dam site. 大柳树坝址区存在大面积、大范围的岩体松动破坏现象。
- Cleavage and fracture have a strong impact on blasted result for rock mass. 摘要节理裂隙对岩体爆破效果有很大的影响。
- The formulas of rock mass displacements and deformations are devel... 通过工程实例分析表明,理论预计结果与现场实测结果吻合。
- According to the above study and the successful experiment repairing the weak rock mass roadway with bolt-grouting support in Jincuan No.2 mine, the auth... 根据在金川二矿区进行不良岩层支护试验的实践经验和金川不良岩层巷道支护原则,给出了适用于各类不良岩层巷道的支护设计方案。
- On the basis of rock mass mechanics model of cracking plate structure, it derived the calculation equation for the equivalent exposed area of mine stope. 它以板裂结构的岩体力学模型为基础,推导出了采场当量暴露面积的计算公式。
- The geological conditions of Jiaojia Gold Mine are introduced,the types of engineering rock mass are classified and the methods of stope support are evaluated. 介绍了焦家金矿床的赋存地质条件,划分了工程岩体类型,介绍评价了矿山近年来应用的支护方法。
- ZHOU Xiao-pin,SUN Yun-lun,ZHANG Yong-xing,et al.Numerical analysis of the surrounding rock mass stability in dachnag tongking tin mine[J].Underground Space,2000,20(4):290-293. [7]周小平;孙运轮;张永兴;等.;大厂铜坑矿细脉带采场围岩稳定性数值分析[J]