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- movement of surrounding rock 围岩运动
- According to the field investigation at Dayang coal mine, the paper describes behavior of ground pressure of longwall top coal caving face with soft surrounding rock and movement of overlying strata. 本文通过大雁二矿28%23层采面矿山压力的实测分析,论述了软岩矿井大采放比综放开采矿压显现特征和围岩活动规律。
- 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。
- 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。
- 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。
- The slow movement of rock debris and soil down a weathered slope. 蠕动岩石碎片和土壤沿着受风雨侵蚀的滑坡向下缓慢移动
- 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。
- The first movement of the symphony is beautiful. 这部交响乐的第一乐章是很优美的。
- The initial supporting stiffness and strength of bolting system should be increased largely to maintain the integrity and redue the strength decrease of surrounding rock. 开发出高预应力、强力支护系统,包括强力锚杆、强力钢带及强力锚索系列材料,力学性能得到显著提高;
- The cat followed every movement of the mouse. 猫注视著老鼠的每一个动作。
- The finite difference software FLAC3D for Fast Lagrangian Analysis of Continua was applied to study and analyze the deformation and damage process of surrounding rock. 通过有限差分方法(FLAC(上标3D))对围岩变形、破坏过程进行分析研究。
- Therefore, the influence of shear dilation on the failure face should be considered for determining relaxed pressure of surrounding rock for the shallow bias tunnel. 因此,在确定浅埋偏压隧道围岩松动压力时应该考虑剪胀对破坏面形状的影响。
- 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。
- The design of surrounding rock to share internal water pressure is firstly adopted by Xilongchi project,whose HD value is far more than those of other existent projects in China. 西龙池抽水蓄能电站岔管HD值远超过国内已建工程规模,在国内首次采用考虑围岩分担内水压力设计。
- That the water filling into vertical fractures can only cause redistribution of stress of surrounding rock along strike of the tunnel, without any effect on roof and floor. 单一垂直充填裂隙进水,只会引起巷道走向方向上围岩应力的重新分布,对顶底板不会产生较大的影响;