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- 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。
- 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。
- 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”。
- 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。
- 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
- Navigation is difficult on this river because of the hidden rocks. 因为河上有暗礁,所以在这条河上航行很困难。
- The storm cast the little rowboat on the rocks. 风暴把这条小划艇抛到岩石上。
- The stricken tanker began to break up on the rocks. 油轮被击中后撞上礁石,毁了。
- These rocks are awash at high tide. 这些礁石在涨潮时被海水淹没。
- Rocks are worn smooth through the agency of water. 岩石由于水的作用而变得光滑。
- The waterfall is wearing away the rocks. 瀑布不断地冲蚀着岩石。
- The waves are lashing against the rocks. 波浪冲击着岩石。
- A fall of rocks blocked the road. 掉落的岩石把路封住了。