您要查找的是不是:
- Their use made the design of roadway surrounding rock supporting safer. 这些结果的应用使巷道岩石支护的设计更趋于安全。
- The present method could make the supporting of roadway surrounding rock safe and economic. 按最优恒阻支护计算方法设计巷道支护,可以达到经济且安全的最佳支护效果。
- The deep roadway surrounding rock of Jinchuan No.2 mine area was crumbly and had obvious creep. 金川二矿区深部巷道围岩岩石破碎,蠕变特性明显,地应力大,巷道变形严重,巷道返修量大,严重制约了矿山的发展。
- 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。
- Many dynamic disturbances often lead to local instability of roadway surrounding rock and mining workplace and result in rockburst in coal mining. 煤矿生产中存在着大量的动力扰动,常导致采矿巷道和采场围岩局部失稳,诱发冲击矿压发生。
- The relationship of roadway surrounding rock pressure and supporting performance is interacting and counteracting.Only coordination between them can make possible a better support. 巷道围岩压力与支护能力是一个相互作用与反作用的关系,两者之间必须协调才能取得较好支护效果。
- Analyses that system mechanization caving mining roadway is the whole coal and was beared stress complex.Discusses the important meaning for studing its roadway surround rock stability. 分析了综采放顶煤回采巷道为全煤巷道,并且所受应力复杂,阐述了对该巷道围岩稳定性研究的重要意义。
- roadway surrounding rock control 巷道围岩控制
- Structure Character of Roadway Surrounding Rock in Coal Mine 煤矿巷道围岩结构特征
- Study on Roadway Surround Rock Stability of System Mechanization Caving Mining 综采放顶煤巷道围岩稳定性的研究
- Vibration wave transmitting speed to determine released ring of mine roadway surrounding rock 利用震波的传播速度确定巷道围岩松动圈
- Optimum calculating method for constant resistant supporting of roadway surrounding rock 巷道围岩最优恒阻支护计算方法
- The Research on Theory and Influence Factors of Self-Sustaining Structure of Roadway Surrounding Rock 巷道围岩自稳结构原理及其影响因素研究
- Measure Technology for Loose Circle of Roadway Surrounding Rock and Its Application 巷道围岩松动圈测试技术与应用
- RESEARCH ON FAILURE OF SOFT STRUCTURE AND SINGULARITY OF FAILURE ZONE OF ROADWAY SURROUNDING ROCK 巷道围岩弱结构灾变失稳与破坏区域形态的奇异性
- CHAOS DYNAMIC FEATURE STUDY OF FULLY-MECHANIZED CAVING ROADWAY SURROUNDING ROCK SYSTEM 综放沿空巷道围岩系统混沌动力学特征研究
- Application of the neural network model with partial least-square regression to the displacement prediction of roadway surrounding rock 偏最小二乘回归的神经网络模型在巷道围岩位移预测中的应用
- roadway surrounding rock 巷道围岩
- The grouting and bolting technique is designed based on analysis of surrounding rock in roadway and actual conditions in spot. 在分析巷道围岩特性的基础上,依据现场实际情况,提出锚注加固技术治理方案。
- It is possible to use Gurit without damaging the surrounding rock. 使用古力特炸药将完全可能不造成对围岩的破坏。