查询词典 surrounding rock

Through 3D FEM numerical simulation analysis of construction of the adit and main tunnel intersection structure with different intersection angles, this paper draws the conclusions that the smaller the intersection angle, the higher the concentration degree of the surrounding rock stresses and the larger the adit lining stresses.

本文采用三维有限元数值模拟主隧道与横通道组成不同交角的空间复杂受力交叉结构的施工过程，得出交叉角越小，围岩应力集中程度越高、横通道衬砌结构受力越大的结论。

This paper introduces a successful experiment in grounting blocking against water in coal bunker and surrounding rock grouting strengthening by Malisan and a suitable proportion of catalysts,which have got a good effect and ensured the regular production of coal mine.

通过调研及试验，针对矿井的实际情况利用马丽散配以一定比例的催化剂对矿井煤仓漏水现象进行了注浆堵水处理，对巷道围岩进行了注浆加固，取得了很好的效果，保证了矿井的正常生产。

By disposal of partial least-squares regression, the collinearity of roadway surrounding rock displacement influence factors is removed and the principal components having optimum explanation to dependent variables are extracted. It makes node numbers of neural network input layer cut down to three from seven, and has effect of simplifying structure and strengthen stability of neural network.

通过偏最小二乘回归对巷道围岩的位移影响因子的处理，消除了影响因子的线性相关性，并提取了对因变量解释性最强的成分，使BP网络的输入层节点数目由原来的7个减少到3个，起到了简化网络结构，增强网络稳定性的作用。

In the underground repositories,the microstructure change of surrounding rock under the action of the chemical corrosion will cause the increase of porosity in medium and the accelerative diffusion of chemical contaminator.

利用SEM电镜扫描技术和X衍射晶体鉴定技术，对经0.01 mol/L，pH值为12的NaOH溶液作用前后的φ50 mm×100 mm大小砂岩试件的表面和矿物成分进行分析，探讨砂岩试件腐蚀表面的微区形貌和矿物组成的变化特征。

The stresses and displacements of the crane beam are calculated when the counterfort columns (1.5 m or 5.0 m under the beam) are considered or not considered in class-Ⅲ and-Ⅳ surrounding rock.

分别计算了Ⅲ、Ⅳ类围岩设扶壁柱（梁下1.5m或5.0m）与不设扶壁柱的岩壁吊车梁结构的应力和位移。

The key of maintaining the tunnel stability lies on how to deal with the advance core soil ahead of working face, which is obtained on basis of analysis on the problems in high speed railway tunnels with big crosssections in soft surrounding rock or soil. Fullface prereinforcing method by fiberglass bolts can enhance the equivalent rigidity of the advance core soil and control the deformation of the advance core soil, so that arch effect can play its role naturally and assure the excavation safety.

总结分析了目前高速铁路大断面软弱围岩或土质隧道施工中存在的问题，认为如何处理好掌子面前方的"待挖核心体"是控制此类隧道整体稳定性的关键，运用沿隧道纵向全断面预加固的易切削玻璃纤维锚杆来提高"待挖核心体"的等效刚度，控制"待挖核心体"的变形，使得隧道周边的拱效应能自然发挥作用，可以保证隧道能够全断面安全、顺利开挖掘进。

2The rock mass quality was assessed based on the data obtained from exploration adits with the methods of engineering geological classification for surrounding rock mass, BQ, RMR and Q-system successively. And then the correlations between the assessment results of different methods were discussed.

基于勘探平硐获取的资料，运用&围岩工程地质分类法&、BQ法、RMR法和Q系统法进行了地下厂区岩体质量评价；讨论了四种不同方法评价结果之间的相关性。

The rock mass quality was assessed based on the data obtained from exploration adits with the methods of engineering geological classification for surrounding rock mass, BQ, RMR and Q-system successively.

基于勘探平硐获取的资料，运用&围岩工程地质分类法&、BQ法、RMR法和Q系统法进行了地下厂区岩体质量评价；讨论了四种不同方法评价结果之间的相关性。

Based on the testing analysis of microcosmic digital image, there are smaller Fissions, higher density and even distribution under high confining pressure than under low one. Microcosmic damage mechanics of rock cracking under high confining pressure and hydraulic pressure is given. Reliable testing basis is offered to analyze further failure and stability of the noncircular cave surrounding rock under high confining pressure and high hydraulic pressure.

通过微观数字图像试验分析发现，高围压条件下大理岩断口裂纹长度小、密度大、分布相对均匀，给出高水压高围压作用下岩石破裂产生的微观损伤力学机理，为进一步分析高围压高内外水压条件下非圆形洞室围岩失稳破坏机理提供了可靠的试验依据。

A software for aided designing bolt of tunnel named ANSYSBOLT was designed on the basis of ANSYS finite element software. In the software environment, bolt supporting model of physical tunnel in tectonic stress field was structured according to physical parameters of coal and rock seam of some working face, and in conditions of different buried depth, bolt supporting structure and pre-tightening force, distributions of stress of surrounding rock of physical tunnel and its displacement were analyzed and calculated by ANSYSBOLT software. Then influence of different buried depth, bolt supporting structure and pre-tightening force on stability of roof and floor of tunnel was analyzed and finally feasible scheme of bolt supporting was gotten according to the analysis result.

在ANSYS大型有限元软件基础上开发了巷道锚杆辅助设计软件ANSYSBOLT；在该软件环境下，根据某工作面煤岩层的物理参数，建立了构造应力场条件下的实体巷道锚杆支护模型，并按照不同的埋藏深度、锚杆支护结构和预紧力条件，经软件分析计算，得出了实体巷道围岩应力及位移分布情况，进而分析了不同埋藏深度、锚杆支护和预紧力条件对巷道顶底板稳定性的影响，最终根据分析结果得出了可行的锚杆支护方案。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。