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- overlying rock damage 覆岩破坏
- Chunks of the overlying rock may break off and become a part of a sill. 上复岩石的碎块可能破裂并成为岩床的一部分。
- An anticlinal fold in which a mobile core, such as salt or gypsum, has pierced through the more brittle overlying rock. 活动的岩蕊在一背斜褶曲内活动的岩蕊（如像盐或石膏）突破了较脆的上覆岩层
- An anticlinal fold in which a mobile core,such as salt or gypsum,has pierced through the more brittle overlying rock. 活动的岩蕊在一背斜褶曲内活动的岩蕊(如像盐或石膏)突破了较脆的上覆岩层
- The minimum overlying rock thickness of a crossing-river tunnel is one of the major factors,which determine the construction cost and the safety of the tunnel. 越江隧道上覆最小岩石覆盖层厚度是决定隧道建设造价和安全的主要因素之一。
- Dynamic progressive process of failure of overlying rock stratacaused by mining excavation is simulated by Strata Failure Process Analysis (SFPA2D) system. 应用岩层破断过程分析SFPA2D系统，分析了采动影响下覆岩破坏的动态发展过程。
- This paper introduces the experimental study of detecting the broken height of overlying rock by using the electromagnetic wave tomography technique(CT). 本文介绍了邵武煤矿在观测钻孔中应用电磁波层析技术（即CT）探测覆岩破坏高度的研究。
- As an important piece of work in hydraulic engineering, it is the key to determine the minimum thickness of overlying rock formation of the tunnel under pressure. 水工建筑中,据岩体的强度特性和内水压力的大小,精确确定有压隧硐上覆岩层最小厚度是非常重要的。
- But because of hard to fix test ring in bedrock, so report of domestic deep worked-out area overlying rock subsidence observation by layers have not yet been heard so far. 研究采空区剩余沉降对上覆建(构)筑物造成的危害程度,分层沉降观测是比较直观的方法,但由于基岩内测试环固定困难,在大深度采空区上覆岩层中进行分层沉降观测国内未见报道。
- In rock mass, there exists rock damage expressing in the form of small opening, air-bubble, fracture, cleavage etc. 岩石中含有以孔隙、气泡、微观裂隙、节理面等形态表现出来的岩石损伤。
- The evolution regularity of microproe and constitutive relation of rock damage is discussed. 在此基础上,讨论了微空隙的扩展和演化率,以及损伤本构关系。
- Optical fiber sensor is embeded in rock layer of model to find premonitory information of rock deformation and the process of rock damage with mining. 在模拟矿山开采引起的岩层运动时,将光纤传感器埋入模型的岩层中,研究采用光纤传感技术监测岩体变形的理论和技术。
- It is difficult to detect the absolute density of rock by CT image in quantitative analysis of rock damage process in compression. 用 CT图像定量分析岩石受力损伤破坏过程的难点 ,是难以知道岩石内部的绝对密度变化量。
- A FEM NTA coupling model is set up for simulation of mining conditions at great mining height with an overlying rocks of low tensile strength. 建立了大采高工作面支架系统可靠性的计算模型,通过系统可靠性参数的分析,提出了提高支架系统可靠性的途径。
- Based on the experiments of exploding on the surface of the cement sample, the phenomenon of the rock damage and fracture by shock waves in exploding was simulated. 摘要通过水中爆炸波对水泥试样的损伤破坏实验来模拟水力裂缝层内爆炸采油中激波使岩石损伤开裂的现象。
- FEM NTA coupling model is set up for simulation of mining conditions at great mining height with an overlying rocks of low tensile strength. 在重点模拟大采高条件下覆岩低抗拉特性的基础上，建立了“大采高FEM-NTA耦合模型”。
- Pits in the aquiferous overlying rock can be sealed 在含水的上部岩石中的深坑
- minimum overlying rock thickness 最小岩石覆盖层厚度
- Variable measurement of rock damage is the groundwork in study on damage mechanism of rocks and the key issue to bring the rock damage theory into practice in rock engineering. 岩石损伤变量的测定是岩石损伤力学分析研究的基础,岩石损伤理论付诸岩石工程实践必须解决岩石损伤检测的问题。
- The flood did a lot of damage to the crops. 洪水毁坏了大量农作物。
