您要查找的是不是:
- Keywords soft rock in deep mine;blasting destressing;wall rock stabilization;distortion test; 深井软岩;爆破卸压;围岩稳定;变形测试;
- Wall Rock Stabilization Evaluation of Underground Workshop of Pumped Storage Power Plant and Discussion on Some Relative Problems 抽水蓄能电站地下厂房围岩稳定评价与有关问题探讨
- wall rock stabilization 围岩稳定
- Application of artificial neural network method in the wall rock stability classification evaluation 神经网络方法在围岩稳定性分级评价中的应用
- Numerical Simulation Research of Wall Rock Stability of Preparatory Workings at Chengchao Iron Mine 程潮铁矿采准巷道围岩稳定性数值模拟研究
- Keywords artificial neural network(ANN);ameliorated back propagation(BP) arithmetic;MATLAB program;wall rock stability classification;evaluation; 神经网络;改进BP算法;MATLAB程序;围岩稳定性分级;评价;
- wall rock stability analysis 围岩稳定分析
- Wall Rock Stability 围岩稳定
- Wall rock is a special medium of underground engineering and its stability affects directly production and safety. 摘要围岩是地下工程类特殊的介质,其稳定性直接影响到生产和安全。
- The paper carefully analyzes bolt supporting system, and measures the parameters of coal wall rock in Fuxin diggings. 本文对锚杆支护理论进行了系统分析,并对阜新矿区煤巷围岩的参数进行了实验测定。
- Secondly, simulation elicits wall rock transmogrification under the different coal pillar and different stress. 其次模拟研究分析了留设煤柱宽度不同时以及地应力大小不一时沿空巷道围岩变形情况,得到了一些认识;
- The results show that both ore body and wall rock have weak or strong rockburst proneness. 结果表明,该矿矿体和围岩均具有发生弱或强烈岩爆的倾向性。
- Weak intercalation is the main weak surface which controls the rock stability. 软弱夹层是控制岩体稳定性的主要弱面。
- The main wall rock alterations of the Kangshan goldfield are silication,sericitization,carbonicacidation and pyritization. 康山金矿田围岩蚀变主要为硅化、绢云母化、碳酸盐化及黄铁矿化。
- In flat dip layer, the seam thickness control the stability of the wall rock, the thick-bedded hard rock is stable than the thin-bedded hard rock. 岩层厚度在缓倾斜时对围岩稳定起控制作用,厚层硬岩整体稳定性好于薄层状硬岩。
- The alteration distribution from ore body to wall rock is skarn-high silicification-low silicification-quartzification and carbonatization. 矿体至围岩明显有矽卡岩化-强硅化-弱硅化-石英、碳酸盐化的蚀变分带特征。
- The wall rock alteration characteristics and the relationship between wallrock alteration and the alteration model are set up in the paper. 对花山花岗岩体中金矿的围岩蚀变特征和围岩蚀变与金矿化的关系进行了研究,并建立了蚀变模式。
- The shutters thumped the wall in the wind. 在风中百叶窗砰砰地碰在墙上。
- The lead-zinc ores can be classified into the hydrothermal vein type and the skarn type with strong wall rock alteration. 纳木错-嘉黎断裂带是以铜、铅、锌为主的多金属成矿带,矽卡岩型矿床是该区带典型矿床类型之一。
- The oecurrence of tourmalinite is the same as that of wall rock,but the obvious feature of the tourmalinite is microlaminated structure. 主要成分为微粒镁电气石,其次有石英、长石,少量粘土矿物、毒砂和黄铁矿。