围岩

It is concluded that lead source of all the nine deposits studied in this paper can be located to the specific position by the comparison method. Only by the comparison of Pb compositions of ore with those of the other rocks, the studying conclusions may be trustworthier.

结果表明，与岩浆活动有关的夕卡岩型和岩浆热液型矿床有两种情形，一种是纯岩浆源铅，另一种是部分围岩铅也参与了成矿；热水沉积矿床的铅主要来自深部；改造型矿床的铅主要来自围岩；像留龙金矿这样看似与岩浆活动关系密切的矿床，对金而言，是改造成矿的产物。

And formulation for impact correct of the cement layer and shoulder formation, which were used in software, is calculated from the calibration chart in paper.

围岩与水泥环的影响是从文中计算出的校正图版，得到围岩、水泥环的校正公式，实现影响因素用软件自动化校正。

Indoors model test employing similarity materials and mainly considering V-class surrounding rock is carried out respectively in respect of single track and double track so that the characteristics of ground pressure, structural stress of portal and internal force distribution in various case of slope and dead-weight stress field can be investigated. The main characteristics are as follows:l.

通过室内相似材料模型试验研究，模型试验围岩参数以Ⅴ级为主，分别从单线和双线出发，详细阐述了三种新型洞门型式在正交和斜交情况下，在不同地形坡度和自重应力场作用下围岩压力和洞门结构应力及结构内力分布特征。

Once deep-buried long tunnel is constructed in soft rock under high crustal stress, rheology of soft rock is an outstanding engineering geology problem.

：在高地应力环境下的软弱围岩中修建深埋长隧道，软弱围岩流变一是个突出的工程地质问题。

By analyzing surrounding rock instability caused by tunnel excavation, surrounding rock instability of deep-buried tunnels is considered as a sudden failure phenomenon, which possesses nonlinearity and discontinuity obviously and shows the uncertainty of mechanical deformation property, nonlinearity of constitutive relationship and catastrophe of failure process.

在分析隧道开挖引起围岩失稳基础上，认为深埋隧道围岩的失稳是一种突发破坏现象，具有明显的非线性和不连续性质，主要表现在力学变形性质的不确定性、本构关系的非线性和破坏过程中的突变性。

Based on the total potential energy principle, the cusp catastrophic model for instability and failure of deep-buried tunnel surrounding rock is established. Through the observed data of settlement values of typical section vault of deep-buried tunnel and the sudden threshold values of displacement of each monitoring section, the variable values of vault settlement function are obtained, and the stability of deep surrounding rock in tunnel is decided.

运用突变理论探讨了深埋隧道失稳的机制；根据总势能原理，建立了隧道失稳的尖点突变模型，导出了失稳的力学判据条件；并基于深埋隧道典型断面拱顶下沉量现场量测的数据，计算出拱顶下沉函数的各变量值，由各监测断面位移突变阀值来判别深埋隧道围岩的稳定性，分析结果与实际施工围岩情况一致。

A dip fault strikes essentially parallel to the direction of dip of the adjacent beds, that is to say, its strike is perpendicular to the strike of the adjacent beds.

顺层断层是指断层面平行岩层层理的断层；倾向断层的走向是平行于围岩的倾向的，也就是说，它的走向是垂直于围岩的走向的

The deformation of roadway surrounding rock can reflect the changeable habitues of the roadway surrounding rock, and provide rational you for judging the stability of rock mass engineering.

巷道围岩的变形综合反映了开挖引起围岩形态的变化，是判断巷道岩体工程稳定性最直观的依据。

It is plastic flow and swell of surrounding rocks that are resulted in large deformation jointly.

认为它是围岩塑性流动与围岩膨胀变形综合作用的结果。

The probability distribution function and the corresponding statistical parameters of sharing ratio of internal pressure in bedrock for embedded penstocks in terms of design reference per.

根据已搜集到的国内外部分水电站地下埋管围岩内压分担率的实测数据，利用统计数学中的K-S法和A-D法等检验方法进行了统计分析和分布假设检验，求得了水电站地下埋管围岩内压分担率在设计基准期内的概率分布函数及其统计参数，证明其最优概率分布函数可用对数正态分布来拟合。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。