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- Deformation Analysis and Monitoring of Surrounding Rock during Full-face Excavation of Tunnel in Karst Regions 岩溶区全断面开挖隧道围岩变形规律及其监测
- Analysis on Internal Forces and Deformations of Surrounding Rock Mass during Excavation of a Large-spanned Tunnel 大跨隧道开挖过程中围岩内力及变形分析
- Study on visual simulation of the state of surrounding rock in the excavation of underground powerhouse 地下厂房开挖过程中围岩状态的可视化仿真研究
- Analysis of surrounding rock deformation mechanism induced by excavation of super-large cross-section tunnel with different driving method 不同工法开挖超大断面隧道引起围岩变形机理分析
- excavation of surrounding rock 围岩开挖
- The construction of Tianchi Railway Tunnel features the rapid construction with self -developed complete sets of equipment for single -track tunnel and the excavation of soft surrounding rock section by adding an access tunnel. 天池隧道施工有两个特点,一是施工中运用了自行开发的铁路单线隧道配套设备进行施工;
- On the Relation between Alteration of Surrounding Rock and Gold Mineralization in the Xinchen Gold Ore Deposit. 浅谈新城金矿床围岩蚀变与金矿化的关系
- 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。
- Based on the idea,a new extensible bolt is designed for large deformation support of surrounding rock. 室内与现场试验证实了新型可伸长锚杆协调围岩大变形的优良性能,可在围岩大变形支护中推广应用。
- Excavation of the site will begin tomorrow. 明天开始挖掘工作。
- The excavation of the buried city took a long time. 发掘埋在地下的城市花了很长时间。
- 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。
- The excavation of the bur city take a long time. 发掘埋在地下的城市花了很长时间。
- In the river valley region,discal phenomena of drilling cores and laminated exfoliation of surrounding rock in the exploration tunnels are obvious. 河谷下切引起的应力集中是显著的 ,河谷地区许多构造形迹及地下工程中出现的若干围岩稳定问题都与此有关。
- The results show that the rare earth elem met s characteristic of ore is highly similar to that of surrounding rock in gold ore of Yunnang Mengman. 结果表明,矿石与围岩的稀士元素总体特征非常相似,说明两者稀士来源基本一致。
- The results show that the differences of stability of surrounding rock mass are markable for dlfferent excavating sequences. 结果表明,不同的开挖顺序,对围岩的稳定性具有显著的影响。
- Use of Small Pilot Pipe in Excavation of Weak Surrounding Rock 软弱围岩开挖超前小导管的应用
- Some distribution rules of surrounding rock stress of the tunnel are summarized to provide the reasonable references to design and construction of this tunnel. 总结了该断层地段隧道围岩应力的一些分布规律,为该工程的设计和施工提供了合理的参考依据。
- Through numerical analysis, the stability of surrounding rock in two sides of deep roadway under the conditions of supporting and grouting in the floor was studied. 摘要通过数值计算,研究了底板支护和注浆加固底板后深部软岩巷道两帮围岩的稳定性。
- deformation of surrounding rock for underground excavation 岩质地下洞室围岩变形