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- 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。
- 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
- 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 stability of stope wall rock and obsturator is a key issue for the safty of the second stage minimg in Jinchuan no.2 digging. 金川二矿区深部开采过程中采场围岩及充填体的稳定性是二期安全生产中的关键技术问题。
- Consequently, the evaluation of wall rock"s stability is a momentous science research correlated with expressway"s roading. 因此,围岩稳定性评价是与高速公路隧道施工和运营密切联系的一项极为重要的研究内容。
- 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。
- As we can conclude from practical experiences, the stability of tunnel wall rock is determined by geologic quality, ground stress and timbering technology. 实践证明:巷道围岩稳定性是由围岩的工程地质特征、地应力和支护控制技术决定的。
- wall rock stabilization 围岩稳定
- The large span large section of the roadway surrounding rock stability analysis supporting the proposed overall idea. 通过对大断面大跨度巷道围岩稳定性的分析,提出了支护的总体思路。
- Direct to the shortage existing in the classification of surrounding rock stability,provide a new method. 针对目前围岩稳定性分类方法存在的不足,给出一新的分类法。
- This paper presents results of the wall rock resistance, the lining-stress, distortion and stability of XinDaoGou double vault tunnel along Beijing-Chengde highway using the finite element method. 摘要本文以京承高速公路新道沟连拱隧道为实例,应用有限元数值方法对连拱隧道二次衬砌的围岩抗力、应力、变形及其稳定性等问题进行了模拟与分析。
- 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。
- Lingzikou Tunnel is located at 30 km north-east of Shaotong city in Yunnan Province, the adjoining rock stability analysis and evaluation. 根据勘察资料对位于云南省昭通市北东约 3 0 km处凌子口隧道围岩的稳定性进行分析评价。
- 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;