您要查找的是不是：
- Virgin rock stress 原岩应力
- 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。
- Using the elastic theory,the au-thor attempts to calculate approximately the relative change of rock stress after coalextraction. 本文试图利用弹性理论近似地计算采动后的应力相对变化。
- BQ method is suggested as one of favourable ways for evaluation and classification of rockmass quality in the low rock stress region. 采用岩体力学介质属性分级方法(即BQ法)对研究区引水洞、溢洪洞以及泄洪洞进口段围岩进行了岩体质量分级与评价。
- In this paper,by the monitoring of rock stress behavior around mine opening and the monitory of anchoring force,the monitoring of the bolt is realized. 本文通过对巷道围岩的变形监测、锚杆锚固力监测达到对锚杆支护质量的监测。
- Abstract: Rock stress state in situ is determined by the hydrofracturing method for rock stress measurement in a railway tunnel in northwestern Yunnan. 摘 要： 通过地应力测量，确定出工程区隧道围岩现今地壳应力状态，即原地应力的大小和方向。
- 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。
- The in situ rock stress prevents the rise of confined water and water inrush for thick floor aquifuge,but for thin floor aquifuge the in situ rock stress wo... 指出对于厚底板隔水层,原岩应力起着阻止底板承压水上升和突出的作用,对于薄底板隔水层,原岩应力起着破坏底板、导致承压水突出的作用。
- The in situ rock stress prevents the rise of confined water and water inrush for thick floor aquifuge,but for thin floor aquifuge the in situ rock stress wo. 介绍了水力压裂应力测量的原理和现场测量结果,论述了煤层底板隔水层带的阻水机理和承压水沿煤层上升的机理,以及原岩应力、水压与裂隙扩展的关系。
- Whatever the straight line part of the stress-strain curve may be,it is always possible to find out the rock stress threshold by the peak value of the S-wave veloc. 试验结果表明:不论应力应变曲线上的直线部分是否明显,都可以用检测横波速度最大值的办法确定岩石的应力门槛值;并建议对求岩石泊松比的常规方法有必要进行重新调整。
- She remained a virgin all her life. 她终生未婚。
- Stress can be the undoing of so many fine players. 紧张可能是这许多优秀选手失败的原因。
- This is the virgin voyage of the ship. 这是这艘船的处女航。
- Abstract: This paper discribes the principle of rook acoustic emission techniques.Some applications such as insitu rock stress measuring,locating high stress zone,predicting roof falling and evaluating rook stability are presented. 文摘:论述了岩体声发射技术的基本原理，介绍了其在采矿工程中的若干应用成果：地应力测量、高应力区圈定、冒顶预测预报、稳定性评价。
- The Virgin Mary. Often used with Our. 圣母玛丽亚。常与our连用
- There were no footmarks on the virgin snow. 洁白的雪上没有脚印。
- It is shown that regional initial rock stress state is controlled by larger faults and that heterogeneity and aeolotropism of initial rock stress field are caused by superposition of action of faults. 研究结果表明：区域原岩应力状态宏观上主要受几何尺寸大的断层的支配，局部范围内受复合断层的叠加扰动影响，造成了原岩应力状态的各向异性及非均匀分布特征。
- 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。
- A quarter of the area is covered with virgin forest. 四分之一的地区都是原始森林。
- Different methods for the determination of initial rock stresses and the principle of its test borehole layout are also presented. 介绍了各种控制致裂测试钻孔布置原则及原岩应力的计算方法。
