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- The results show that: the dilatancy angle has great influence on the surrounding rock displacement and the shape of failure face for shallow bias tunnel. 结果表明:剪胀角对浅埋偏压隧道围岩位移和破坏面形状有较大影响。
- A nonlinear time series model for surrounding rock displacement of Dafu Mountain Tunnel 福州大腹山隧洞围岩位移的非线性时序分析
- surrounding rock displacement 围岩位移
- By arranging the calculating outcome, it is studied that the influence of state of stable gob on the stress and displacement of surrounding rock of gob entry driving. 通过对计算结果整理,分析了采空区压实状况对沿空掘巷围岩稳定性的影响。
- By means of numerical analysis and the practise, this paper studies the influenceof state of stable goaf on the stress and displacement of surrounding rock of gob entry driving. 采用数值分析法并结合现场实际,研究了采空区压实状况对沿空掘巷围岩应力和位移的影响。
- 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。
- In addition,different kinds of bolt products,such as recoverable bolt,grunting bolt with outer anchor inner grunt and base displacement of deep surrounding rock can be made by different bolt heads. 另外,采用不同类型锚头,可制成杆体可回收式、外锚内注式注浆锚杆和围岩深部基点位移计等几种不同用途的锚杆产品。
- By means of similarity-simulation test the authors have studied the displacement law of surrounding rock in coal roadway supported by the roof trusses,bolt-mesh shoterete and H-beam steel. 通过相似模拟试验,研究煤巷采用组合桁架锚杆、锚架网和工字钢支护时的变形玻坏规律,由此对比分析探讨组合桁来锚杆的支护效果。
- Aiming at the characteristic of the distortion of the extremely hard maintained roadway, the numerical analysises were made on surrounding rock stress and displacement in roadway with FLAC program. 针对极难维护放顶煤回采巷道的变形特点,依据FLAC程序对不同支架形式的巷道围岩应力场和位移场进行了数值模拟。
- The drilling fluid may interact with the surrounding rock in other ways. 钻井液可能会以其它方式与周围的岩石相互作用。
- If the volcano becomes inactive and cools, surrounding rock may be worn away. 如果火山变得不活动并冷却下来,围岩就可能被剥蚀掉。
- 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。
- A change within an intrusive igneous rock caused by the assimilation of portions of the surrounding rock. 内变质作用由于周围岩石同化作用而在侵入火成岩内部产生的变化
- internal displacement of surrounding rock 围岩内部位移
- displacement of surrounding rock 围岩位移
- The Relations Between Rockburst and Surrounding Rock Stress in Underground Chambers. 地下洞室中岩爆与围岩应力的关系。
- If the surrounding rock is soft and is later worn away, the walls remain and form ridges called dikes. 如果围岩柔软,日后又被剥蚀掉,这种岩壁就下来形成山脊,称为岩墙。
- 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
- 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。
- A small rounded lump of a mineral or mixture of minerals, usually harder than the surrounding rock or sediment. 矿的结核一种矿物或矿物混合物的小圆块,通常比表层岩石或矿渣坚硬