Frequent rock-falls within stopes for many years have interrupted production and brought great ore loss and pollution. 多年来采场跨塌频繁,严重地影响了生产,并带来很大的采矿贫化损失。
Vertical slicing by filled stopes method is effective to mine fracturing ore body with the roof of moderate inclination. 中等倾斜顶板破碎矿体的开采,垂直分条充填采矿方法是一种较为有效的方法。
Error Analysis and Calibration of 3D Laser Monitoring System Survey in Finished Stopes 三维激光探测系统在采空区测量中的误差分析与校正
According to geological conditions of stopes in Chengchao Iron Ore Mine, the data for ore bring-down through blasting are modified; and some issues in close relation with blasting are emphasized. 根据程潮铁矿采场地质条件,对落矿参数进行了修改,强调了与爆破相关的几项工作。
Analysis on the Stability of Fill of Extra Large Stopes in Anqing Copper Mine Choice of stope matting material for dry type back-filling mining method 安庆铜矿特大型采场充填体稳定性分析干式充填采矿法采场铺垫材料的选择
A first decline was sunken to provide access to the ore body and trail mining was carried out in different stopes. 第一次沉降为我们提供了接近矿体的机会,公司在不同的采矿场进行了试采。
The exploitation quality digital estimation method of stopes based on actual surveys 基于实测的采场回采质量数字评价方法
Square set and back filling method Analysis on the Stability of Fill of Extra Large Stopes in Anqing Copper Mine 方框支架充填采矿法安庆铜矿特大型采场充填体稳定性分析
These models are capable of designing and performing economic analysis for one or more stopes for a continuous orebody. 这些模型可对连续矿体的单个或多个采场进行设计并完成经济分析。
Costs associated with mechanized drilling in stopes, especially in small mines are analyzed. Finally, guidelines for drilling equipment selection are given. 对采场、尤其是对小型矿山采场的机械化凿岩成本进行了分析,最后,提出了凿岩设备的选择原则。
This paper studies the motion law of the lump ore by vibrating drawing with simulated experiments in stopes. And it reaches a practical conclusion for reference in increasing the drawing ability in stopes and perfecting the underground continuous-mining technique. 通过大量模拟试验,分析和研究了振动出矿采场大块运动规律.为提高采场出矿能力和完善地下连续采矿工艺系统提出了可供参考的实用性结论。
Attachment air is one of the important characteristics of the air-flow structure in flat chamber stopes. 附壁风流是扁平型峒室采场风流结构的重要特征之一。
In accordance with testing data of removing radon and its daughters by ventilation from shrinkage and filling stopes of uranium mines, a law of removing radon by ventilation from the stopes is analyzed and summed. 根据铀矿山留矿法和充填法采场通风降氡试验资料,本文分析总结了采场通风降氡规律。
In order to control the earth pressure in the stopes, the suitable stope structure parameters and the special stoping sequence were designed, and the technical measures such as smooth blasting, cable anchoring and quick filling etc were taken, so the successful test was ensured. 为控制采场地压,设计了合理的采场结构参数和特殊的采场回采顺序,采用了光面爆破、锚索加固、快速充填等技术措施,从而确保了试验的成功。
To provide reliable evidences for determining the mining technology and ground pressure control in stopes and based on the principle of fuzzy matter-element analysis, the composite fuzzy model of matter-elements for evaluating the underground stope stability is constructed. 为给矿山开采工艺与采场地压控制方法的决策提供可靠依据,在模糊物元分析原理的基础上,构造了地下采场稳定性的复合模糊物元评价模型。
In the mining of steep dip and narrow vein in Hong-Hua-Gou Gold Mine of Chifeng City by using dry back-filling method, the continuous stoping of multi-block was conducted after the division of stopes according to the occurrence regularity of orebody and specific condition. 赤峰红花沟金矿在用干式充填采矿法开采急倾斜薄矿脉时,根据矿体赋存规律,因地制宜地划分采场,对多矿块进行了连练回采,取得了较好的效果。
Designing Stopes and Excavations Based on the Results of Ground Stress Measurements 根据地应力测量结果设计采场和巷道
According to the research result the stope arrangement, reasonable stoping sequence and number of simultaneous working stopes are determined. 根据研究结果,确定了矿房布置方式、合理回采顺序和同时工作采场数量。
The following work done after decommissioning of a uranium mine and their effects are described in this paper: sealing up various pits, covering waste heaps and their vegetation, renovation of the mined stopes of open pits and so on. 本文叙述了铀矿山退役后各种井巷工程的封闭、废石堆的覆盖和植被、霉天采场和塌陷区的处置等环境整治方法及其效果。
In this paper, stress distribution around, and stability of VCR stopes ( rooms and pillars) are discussed using displacement discontinuity method and its computer programme. 本文运用不连续位移法及其计算机程序,对VCR法采场(矿房和矿柱)周围应力分布及其稳定性进行了分析研究。
The ANFIS-based approach for back analysis of displacements was used to determine the mechanical parameters of the rock mass surrounding the stopes in block 244 in Xiangxi gold mine. 本文应用位移反分析的自适应神经模糊推理方法,对湘西金矿244采场围岩的力学参数进行了反演;
To increase lump coal ratio in stopes, a scheme is put forward for coal falling by loose pre-shearing millisecond blasting, and hole arrangement parameters and blasting parameters are adjusted. 为提高炮采面块煤率,提出了松动预裂微差爆破的落煤方案,并对布孔参数和爆破参数进行了调整。
In regard to problems existed in Meishan Iron Ore Mine's mining operation, the feasibility of further enlarging the structural parameters of stopes is discussed. The adoption of structural parameters of great-interval stopes represents the direction of development of mining technology. 针对梅山铁矿目前采矿生产存在的问题,论证了进一步加大结构参数的可行性,提出采用大型大间距采场结构参数是矿山采矿技术发展的方向。
Application Study of GIS in Dynamic Management of Coal Mine Stopes GIS在回采工作面动态管理中的应用研究
Two stopes were filled during the field test at slurry densities of 72% to 74% by weight. 工业试验完成了两个采场的充填,充填料浆浓度72~74%。
The stopes, chambers and roadways, left behind by the original mines, have become underground goafs when the mines are open pit mining. And the underground goafs hazard the producing process badly. 由于矿山原先采用的空场法采矿所留下的采场、硐室以及巷道成为露天开采时的地下空区,地下空区对矿山的生产带来严重的威胁。