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- The deformation failure and evolution of the rook slope before and after the excavation was simulated by discrete element method (DEM). 利用离散单元方法(DEM),模拟分析了该岩质边坡采石切坡前及采石切坡后的变形破坏及其演变过程。
- The results are of importance to slope deformation disaster control in thickloess areas. 本研究对厚层黄土区斜坡变形灾害的防治有较重要意义。
- Slope deformation and instability are prominent geological andgeomorphic feature of loess plateau and are the strong factor to cause disasters. 斜坡变形与失稳活动是黄土高原突出的地质地貌现象.它有较强的致灾性。
- It is an incontestable conclusion that the Surveying Robot(Automatic Electronic Total Station) can monitor open pit mining slope deformation automatically. 测量机器人(即自动电子全站仪)固然可以对露天矿边坡进行自动化(或半自动化)外部形变监测。
- Based on a complete stress-strain curve of the rock, an elastoplastic formula describing rock deformation failure is established. 从岩石的全应力-应变曲线出发,建立了描述围岩变形破坏的弹塑性本构方程。
- It is proved that GPS could meet the needs of slope deformation monitoring in open pit mines completely,and the monitoring system is successful and inf... 实践表明GPS完全能够满足矿山边坡变形监测的需要,该系统的建立是成功的、有效的。
- Anchor groups restrains slope deformation, makes rock mass uniform and solid, increases tenacity and the ability to bear great distortion without break. 群锚抑制坡体的变形效应,可使岩体均匀性、整体性加强,增加韧性和承受大变形而不破坏的能力。
- The mudded intercalation is the key structural face in controlling the slope deformation and stabilization and its strength value is variable because of its rheological property. 泥化夹层是控制边坡变形及稳定的关键性结构面,其强度值因其具有流变特性而变化。
- The deformation mechanism of sloPe rock is revealed, the influence of mining on slope deformation and the development trend is explained, the stabilit... 解释了开采对变形的影响及发展趋势;
- Through simulation test of similar materials,the distribution of deformation failure and underground pressure with high angle faults of different dip direction are analyzed during coal mining operation. 通过相似模拟试验方法分析了不同倾向高角度正断层 ,在采动影响下顶板岩体变形破坏和矿压分布规律。
- Biggish thermal displacement exists in plane board, especially on the upright orientation, the thermal displacement value is maximal, which is the main reason that causes the deformation failure. 面板总体上出现了较大的热位移,特别是在竖直方向,热位移量为最大,导致面板因变形过大失效。
- Realizes that tri -- prism model is compatible with the GIS software (such as Arcview) and cornbines with finite - cell (such as DIANA) through ana1ysls. The paper analyzes the slope deformation by the method of tri -prisrn model. 通过分析可知三棱柱模型能与现有的GIS软件(如 Arcview)兼容,也能与现有的有限元软件(如 DIANA)相结合,利用柱体分析法对边坡进行变形分析。
- When a slope deformation is limited not only by bottom slide plane but also by lateral slide planes, the calculated stability coefficient by using a two-dimension model is usually lower than the actual situation. 摘要当边坡的变形不仅受底部边界约束而比还受侧限作用时,其稳定性计算按平面问题简化常存在较大的误差。
- This paper introduces the structure,work principle and the application example of the integrated GPS technque with surveying robot developing monitoring system of surface mine slope deformation. 介绍了以GPS技术与测量机器人技术相结合开发出的露天矿边坡形变集成监测系统的结构、工作原理及应用实例。
- In thispaper, the authors study the shape, material composition, deformation pattern andeffects of the slope by field investigation into slope deformation in Tongchuan, Shaanxiprovince. 本文通过陕西铜川斜坡变形的现场实际调查,研究了该地斜坡的形态、物质组成、变形形式以及作用因素等。
- A new kind of shifting track diagram of monitoring point,which is concise,intuitionistic and informative,is presented in this paper in order to improve data analysis of slope deformation. 针对目前谷坡变形监测数据整理结果的某些弊病,设计一种简洁、直观、信息量丰富的变形位移轨迹图,较好地将变形时段、变形量、变形方向有机地结合起来。
- In the process of side slope deformation from initial buckling to post-buckling, only if canonical factor changes its plus-minus, does the system jump from one state to the other state. 边坡从初始屈曲到后屈曲的变形过程中,只有当正则因子改变正负号时,系统才会从一个状态突跳至另一个状态;
- He tried to put a bold face on his failure. 他对自己的失败装出一副满不在乎的样子。
- It can be used for surface monitoring and underground monitoring in the boring hole to synthetically analyse the relationship between slope deformation time,magnitude and direction. 图形方法适合任何谷坡的地面或地下钻孔观测点变形观测数据的整理。
- The cake we made was somewhat of a failure. 我们做的蛋糕不大成功。