洞室

The arrangement and structural form of underground caverns are determined by the distribution and engineering characteristics of control discontinuities.

控制性结构面的展布和工程特性往往决定了地下洞室的布置和工程结构形式。

ABSTRACT Rock bursting, especially its inner and outer factors in hard-rock mines is lucubrated in this thesis.

论文详细探讨了硬岩矿山岩爆的发生过程，针对洞室岩爆发生的内外部因素做了大量的研究工作。

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。

The solutions of coupled numerical simulation of the region of dam site show that the coupled action has harmful affects on the stability of dam and the safety of underground grottos.

对坝址区岩体的渗流应力耦合作用进行了数值模拟，结果表明：耦合作用对地下洞室的安全运行及坝体的稳定将产生不利影响。

Settlement of the roof and the lateral deformation of the sidewalls.

量和边墙的侧向外鼓变形，这对洞室的稳定都极为有利。

In this paper, according to the construction by stages, under the continuity premise of seepages variance, the guasi steady seepage for every stages is analyzed and accordingly a numerical model of...

其中 ，对于洞室系统，基于水量平衡原理，采用了子结构模型；对于防渗帷幕，采用了隔水层模型；对于排水井列，采用了杆单元模型。

In the process of back analysis, the orthogonal experiment is used to design 27 kinds of the schemes of numerical simulation. The optimum scheme of parameters which are composed of the rheologic parameters of rock layer, thin double-layer and other sensitive parameters is obtained by analyzing the orthogonal experiment results.

在反演分析过程中，运用正交试验方法，设计了27种数值模拟方案，通过正交试验设计的直观分析，获得了洞室顶板岩层与薄夹层的流变参数和其他敏感参数的最佳组合方案。

In addition, the separation deformation of roof at the grotto recess is also very obvious in rheologic numerical simulation; and the phenomenon is similar to the apparent form of in-situ deformation.

此外，流变模拟分析中出现在洞室深部的顶板离层也十分明显，这一现象与现场观察到的农观变形形态比较相近。

A numerical simulation, so-called block spring method, is used to study thelarge deformation of cavern's surrounding jointed rockmass with excavation and bolting.

根据节理岩体的特性，按弹簧块体理论模拟节理岩体中大型地下洞室开挖与锚杆支护的变形特征。

Based on analysis of stress distribution in the wall rocks of underground opening and with the theory of slip line field s and Mohr Coulomb criterion, the characteristic of the plastic failure of the wall rocks has been studied.

在讨论地下围岩应力分布的基础上，用滑移线场理论和Mohr－Coulomb准则研究了地下洞室围岩进入塑性破坏状态的特征，推导了岩块沿滑移线滑落的条件，得到了岩爆发生时地应力的计算公式。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失