Hyperbolic functions method for analysis of rock mass displacement due to deep mining;
深部开采岩体变形分析的双曲函数法
Development and pospect of geophysical technology in deep mining;
煤矿深部开采中的地球物理技术现状及展望
Influence of the key strata in deep mining to mining subsidence;
深部开采覆岩关键层对地表沉陷的影响
A discussion on safety production of deep mining in Dongguashan deposit;
冬瓜山矿床深井开采安全生产问题的探讨
In this paper,according to the require of deep mining,the unconfined uniaxial compression strength test of backfill at a different ratio、different density and different curing age has been done.
根据矿山深井开采的需要,对不同灰砂配比、重量浓度和养护时间的高浓度水泥尾砂充填体试块在建材压力机上进行了无侧限单轴压缩强度测试。
Erdaogou Gold Mine pick deepth about 700m,according to Mining Handbook it belong to deep mining.
二道沟金矿目前采深超过700m,按我国采矿手册有关规定已进入深井开采,出现了一些不正常的地压现象。
In China,with coal resource mining in deep-lying being developed,therefore,the main technology problems about prediction and control of surface subsidence are brought out.
在深部开采条件下,结合深部地质灾害的特点,总结分析了目前深部开采存在的主要问题,提出了深部开采条件下应深入开展相关研究工作的意见和建议。
In the conditions of mining in deep-lying,combining with the characteristics of surface subsidence,main problems of prediction and control are summed up and analyzed.
在深部开采条件下,结合地表沉陷的特点,总结分析了预测与控制存在的主要问题,表现在其预测模型、参数以及保护煤柱的留设方法和参数等方面。
Based on analyzing problem of displacement angle of stratum mining in deep-lying conditions at present,under a determination geology mining conditions,the changing principle of displacement angle of stratum is probed into,along with exploiting depth,thickness and coal inclination angle etc,and its calculation formula is established in deep-lying.
在分析目前深部开采条件下岩层移动角确定存在问题的基础上,在一定的地质采矿条件下,探讨了岩层移动角随开采深度、开采厚度及煤层倾角等的变化规律,建立了深部开采条件下移动角的计算公式。
Analysis and prediction of rock burst dangerous areas in Dongguashan Copper Mine under deep well mining;
冬瓜山铜矿深井开采岩爆危险区分析与预测
A comprehensive analysis is made of rock mechanical properties and crustal stress appearing in deep well mining.
综合分析了深井开采岩石力学性质和地压显现的特点 ,在此基础上提出了适宜于深井开采的弹塑性理论本构模型 ,并应用于冬瓜山深井开采场结构参数的数值优选。
It can be used for reference for the import and remoulding of supporting equipments of deep well mining of narrow and gentle dip vein.
这对我国缓倾斜薄矿脉的矿山深井开采支护设备的引进和改造，将有一定的参考借鉴作用。
The formation conditions,forecast and prevention of impact pressure in deep mine;
深部开采冲击地压发生条件及预测和防治
According to underground metal mining technology development at home and abroad,this paper emphatically discusses the development tendency of deep mine,high efficiency mining,continuous and no waste mining and intelligent and digital mining.
针对国内外地下金属矿山开采技术的发展,着重论述了深部开采,高效率采矿,连续化、无废化采矿,智能化、数字化矿山4个领域的发展趋势。
Comprehensive experiment and stability monitoring for soft and complex strata of high stress roadway in deep mine project;
深部开采中巷道维护理论与浅部有十分明显的区别。
An Approach to the Analytical Method for the Minimum Safe Mining Depth with Solution Mining in Salt Mine
盐矿水溶开采最小安全开采深度分析方法初探
With the increase of the depth of coal seams mined, rock bursts will easily occur in gateways with fully-mechanized sublevel caving mining.
随着煤矿开采深度增加，综放开采回采巷道易发生冲击地压危害。
THE RESEARCH OF THE OPEN-PIT' ECONOMIC STRIPPING RATIO AND THE LAST LIMIT DEPTH;
露天矿经济合理剥采比和最优开采深度的研究
The Economics Model on Gypsum Mine Reasonable Exploitation Level and Range;
石膏矿矿井合理开采深度及范围的经济模型
Application of Stepwise Mining Technique in Exploiting Coal Under Buildings
间续开采技术在建筑物下深部开采中的应用
Key Technology About Deep Mining of Surface Mine with Inclined Coal Seam
倾斜煤层深凹露天矿深部开采关键技术研究
Study on optimization of stope structure parameters due to disastrous complex group of mined area in deep mining
灾害性群空区深部开采采场结构参数优化研究
Study on relations between rock burst,goaf area and ground stress in deep mining
深部开采岩爆及采空区与地应力关系的研究
So she ran into the forest and began to pick flowers.
于是她朝森林深处跑去，开始采花。
The Key Technical Research of the Exploitation of the Extra-heavy Oil and Deep Zone Heavy Oil;
超稠油及深层稠油开采关键技术研究
Research on the Mining Effect from Mining Deep-Level Orebody in Jinchuan No.2 Mine
金川二矿区深部矿体开采效应的研究
Large-diameter longhole blasting was used to excavate soil-rock in some engineering project.
某工程的土石方开挖采用大直径深孔爆破方式。
Application of Acoustic Emission (AE) Technique in Deep Mining in Xiangxi Gold Mine
声发射技术在湘西金矿深井安全开采中的应用
A Study of Filling Materials and Pipeline Transportation Systems in Deep Mines;
基于深井开采的充填材料与管输系统的研究
Study on Deep Stope Drift Active Workings's Supporting of the Zhao Gezhuang Mining Iindustry Subsidiary Company;
开滦赵各庄矿业公司深部回采巷道支护研究
Research and Application of Cooling Technology in Deep Mining of Can Zhuang Gold Mine;
蚕庄金矿深部开采降温技术研究与应用
Study on Technology of Rockburst Prevention and Control in Deep High Coal Seam;
深部厚煤层开采冲击地压防治技术研究
Study on Underground Mining Middle-depth-hole Blasting Vibration in Chengchao Iron Mine;
程潮铁矿地下开采中深孔爆破震动研究