查询词典 overbreak

The engineering example is used to evaluate the overbreak and underbreak of a certain tunnel.

最后通过一实例对某一隧洞的超欠挖方量进行评价。

Image processing applied in the evaluation of overbreak and underbreak in the tunnels is a new trial in the geological and geotechnical engineering.

图像处理技术在隧洞超欠挖评价中的应用是该技术在地质及岩土工程领域的新尝试。

Image processing is applied in many engineering fields. It is from geology and geotechnical engineering that image processing is applied in evaluation of overbreak as well as underbreak in the openings.

5图像处理技术在很多工程领域中得到推广应用，在洞室超欠挖评价中的应用是图像处理技术在地质及岩土工程领域的推广。

It is fit to fact that relation between classification of RMR and Q is built based on overbreak as well as underbreak in the openings.

根据超欠挖建立起来的RMR分类和Q分类之间的关系比较符合工程实际。

Both the relation between classification of Q and overbreak as well as underbreak and the relation classification of RMR and overbreak as well as underbreak are researched in this paper.

4正确评价岩体的质量，进行围岩分类，对研究岩体质量与洞室超欠挖之间的关系及分析和预测洞室超欠挖具有重要的意义。

The relation between different openings radius and overbreak as well as underbreak are studied. According to these, the relation between RMR and Q is built. The linear relation and the logarithm linear relation between RMR and Q and overbreak as well as underbreak are gained.

论文对洞室围岩的RMR分类和Q分类与超欠挖之间的关系进行详细的研究，研究不同开挖洞径与洞室超欠挖之间的关系，并由此建立了RMR分类和Q分类之间的关系，得出围岩的RMR分类和Q分类与洞室超欠挖呈线性关系或对数线性关系。

According to the threedimensional coordinates of any point on the working face measured by total station, CASIO measurement program can exactly work out the overbreak and underbreak volume of any point on the working face.

采用普通全站仪，可以测得隧道掌子面上任意点的三维坐标，然后通过手持CASIO计算器测量程序计算，即可精确算得此点相对该里程设计断面的超欠挖值。

The basic principle is that basic geometry shape of openings in the photo is revised; the image can't be distortion by use of projection reconstruction; the corrected image is exerted by open operation and close operation of gray-image; the shape of openings is gained lastly. The perimeter borderline of openings shape is extracted. The quantity of overbreak as well as underbreak is gained by comparing to extracted perimeter and designed perimeter. The same method is applied to other opening sections. Evaluation of overbreak as well as underbreak in the openings can be easily solved in the way of quantitative.

其基本原理是：对野外摄取的洞室的基本剖面形状进行几何校正，然后应用图像学中的投影重建方法使图像不失真，对修正后的图像实行灰度图像的开操作和闭操作运算，得到洞室的基本形状，然后用图像学中的边界提取技术提取洞室的周边界，与洞室的设计形状对比分析，得到洞室在该断面上的超欠挖方量，然后对其它断面采用同样的技术就可评价某一段或整个洞室的超欠挖数量，从定量的角度解决了工程中的超欠挖评价问题。

The shape of tunnel is gained by use of many processing ways to the initial images in the field. The quantity of overbreak and underbreak is gained by contrasting between the extracted shape and the designed shape. The same method is applied to other tunnel sections then the overbreak and underbreak quantity of a certain section or the total tunnel is gained so the problem about the evaluation of overbreak underbreak in the tunnel is solved quantitatively.

通过对野外摄取的隧洞图像进行一系列的处理得到隧洞的基本形状，然后与隧洞的设计形状对比分析，即可得到隧洞在该断面上的超欠挖方量，然后对其他断面采用同样的技术就可评价某一段或整个隧洞的超欠挖数量，这样就从定量的角度解决了以往工程中难以解决的超欠挖评价问题，为工程超欠挖的判断与决策提供合理依据。

The blasting excavation ways are the other factor of affecting overbreak as well as underbreak in the openings. So far, the research about the effect of blasting excavation to overbreak as well as underbreak is not be reported in the domestic. The openings perimeter shape that is be affected by blasting is researched from the angle of rock rupture.

论文旨在从岩体的破坏机理出发，对裂隙岩体开挖后的洞室周边分数维进行研究，提出了裂隙岩体洞室开挖周边的广义分数维模型，并且对不同影响参数与洞室周边分数维之间的关系进行分析，从分形理论的角度建立洞室周边广义分数维与洞室超挖之间的关系，从而建立了以岩体破裂机理为基础的超欠挖与广义分数维之间的关系。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。