Deep mining first blighted the West Virginia landscape.
深挖矿井首先使弗吉尼亚州的风景遭到破坏。
The results measured have great importance to the design of deep mining.
测量结果对深部采矿设计具有重要指导意义。
Rockburst tendency is one of the important indices for the safety evaluation of deep mining engineering.
岩爆倾向性是评价地层深部工程安全性的一个十分重要的指标之一。
Finally, creep failure mechanism of surrounding rock in deep mining is analyzed by stress difference theory.
并利用应力差理论分析了深部巷道围岩的蠕变破坏机理。
It is of directive signification for choose roadway support forms of deep mining and support parameters for Xinw...
对新汶矿区深部煤巷支护形式的和支护参数的选择具有一定的指导意义。
After optimization of deep mining boundary, mining activities become reasonable thus achieving good economic benefit.
通过对境界优化后,可使采场的开采更趋于合理,经济效益十分显著。
According to the field observation data, mining pressure and rock burst tendency in deep mining condition are studied.
根据现场观测数据,对深部开采条件下工作面采动压力和冲击矿压倾向进行了研究。
How to correctly understand the problem of deep mining with increasing the depth, it is key to resolve practical mining.
如何正确认识由于开采深度增加所带来的问题,是解决实际问题的关键。
The newly invented and applied techniques and equipments for deep mining at abroad are introduced briefly in the article.
文中对国外深部开采所发明与使用的新技术、设备作一简要介绍。
Soft rock wall of tunnels in deep mining will have large creep deformation when the stress in rock is near its ultimate strength.
在深井软岩条件下,巷道围岩应力状态处于岩石强度极限邻域内,围岩会产生较大的蠕变变形。
Deep mining; Heat harm control; Recovery and utilization of high pressure water; Long heat pipe technology; Unmanned mining mode;
深井开采;热害治理;高压水回收利用;超长热管技术;无人开采模式;
For improving filling quality in deep mining, the gradation composition of classifying tailings was researched on fractal theory.
为实现深部开采高质量充填,用分形理论研究了分级尾砂级配。
It is of directive signification for choose roadway support forms of deep mining and support parameters for Xinwen coal mine area.
对新汶矿区深部煤巷支护形式的和支护参数的选择具有一定的指导意义。
After 40 years' mining in Maluping mine of Kaiyang Phosphorus mine Group, some of its level positions are coming into the deep mining.
开阳集团马路坪矿经过40多年的开采,某些中段即将进入深部开采的范围。
The other is deep mining about it. The first sorted out its literature and its purpose, philosophy, content and painters were studied.
第一层面对画报的文献资料进行了整理,并对其办刊宗旨和经营理念以及内容和画师进行了研究。
After entering deep mining in Fujia mine, the orebody becomed small, stope layer transition increased, and productive capacity decreased.
富家矿转入深部开采以后,矿体变小,采场转层次数频繁,生产能力降低。
The tunnel instability of deep mining in metal mines has increasingly become one of the main problems troubling normal production of mine.
金属矿山深部开采巷道失稳日益成为困扰采矿正常生产的主要问题之一。
The problems of rock mechanics caused by the deep mining engineering are the focuses in the fields of mining engineering and rock mechanics.
深部开采工程中产生的岩石力学问题成为目前国内外采矿及岩石力学界研究的焦点。
The stability of horizontal pillars in deep mining is one of the common technical challenges that should be solved urgently for underground metal mines.
深部水平矿柱开采的稳定性问题,是地下金属矿山迫切需要解决的共性技术难题之一。
With the development of deep mining in mines, more and more collapse problems of surrounding rocks named soft rock in roadway become increasing serious.
随着煤矿开采深度的加大,越来越多巷道围岩呈现软岩变形特性,变形破坏非常严重。
The implementation of the optimized design scheme has provided an effective way for the ventilation and temperature lowering in the deep mining in China.
方案的实施为国内深井开采通风降温技术提出了一条比较有效的途径。
At the end of the paper, it is pointed out that the thermal-mechanical-hydrological coupling model under the conditions of deep mining is an attractive topic.
文章最后指出深部条件下热-水-力耦合模型是一个值得关注的研究方向。
The rock mechanical features and disasters characteristic concerning deep mining, novel disaster control measures and decision-making technology are described.
介绍深井开采的岩石力学问题及深井灾害的特点、灾害控制新思路、决策技术。
The second phase of underground mining of Tonglushan Mine, Daye Non-ferrous Metals Company, will be finished, and the third phase of deep mining is going to be carried.
大冶有色金属公司铜绿山矿二期工程地下开采接近尾声,即将开展三期工程深部开采开拓。
By using an explicit finite difference program FLAC3D, a model of numerical calculation is established for a deep mining pillar with dynamic disturbance under high stress.
对深部矿柱在承受高静载应力时的动力扰动力学模型进行应力波传播力学响应分析,采用FLAC3D有限差分程序对深部开采圆形矿柱进行高应力下动力扰动数值计算。
By using an explicit finite difference program FLAC3D, a model of numerical calculation is established for a deep mining pillar with dynamic disturbance under high stress.
对深部矿柱在承受高静载应力时的动力扰动力学模型进行应力波传播力学响应分析,采用FLAC3D有限差分程序对深部开采圆形矿柱进行高应力下动力扰动数值计算。
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