rock fracture

Study on the coupling effect of the unsteady seepage in rock fractures with the rock deformation by using DDA (discontinuous deformation analysis) method;

岩石裂隙中非恒定渗流与变形耦合作用的DDA方法

Image enhancement for rock fractures based on fractional differential

基于分数阶微分的岩石裂隙图像增强

Considering the different levels of normal stress,the relationship between shear stress and shear deformation of rock fracture is built firstly.

首先,考虑不同法向应力,建立岩石裂隙剪切应力和剪切变形的关系,其中对裂隙的弹性矩阵进行修正,并用三段函数关系分别描述岩石裂隙剪应力与剪切变形的3个阶段:剪缩阶段,剪胀至峰值阶段以及残余抗剪强度阶段。

The recognition of rock fractures is very important in many real rock engineering applications.

岩石裂隙的识别在岩石工程应用领域中是很重要的。

Erosive effects of water chemistry of cracked rocks are studied under different chemical solutions and the same velocity.

进行不同化学溶液、不同流速作用下裂隙岩石试件的单轴压缩试验,获得裂隙红砂岩的单轴压缩应力–应变曲线,并对其强度变形影响和裂纹搭接破坏模式进行分析。

Based on the results of uniaxial compressive test un- der different chemical solutions and velocity,the effect of strength and deformation and main modes of crack coa- lescence are analyzed according to Uniaxial compressive stress-strain curves for different cracked rocks under chemical corrosion.

将红砂岩加工成含3种排列预制裂纹的圆柱形标准试件,对其进行不同化学溶液、不同流速作用下裂隙岩石试件的单轴压缩试验,获得裂隙红砂岩的单轴压缩应力-应变曲线,并对其变形强度影响和破裂过程及裂纹搭接破坏机制进行分析。

A digital image-based (DIB) numerical method is used in two-dimensional coupled multiphysics analysis of fractured rock masses by actually taking into account the heterogeneous spatial distribution of rock structures—main fractures, minor fractures and intact rock.

首先需要获得高清晰度的裂隙岩石数字图像,岩石中不同的结构对应不同的归一化特征值I值(图像像素颜色的特征值),通过I值与材料参数之间的一一对应关系就可以得到岩石中不同结构材料物理参数的真实分布。

The heterogeneity of fractured rock masses has been simulated via statistical tools or random distribution packages in most numerical simulations.

将物理参数分布输入到我们开发的基于FEMLAB的岩体多场耦合过程分析程序中,就可以得到真实地反映裂隙岩石的多场耦合作用过程。

Using the specified triaxial loading equipment corresponding to the CT machine, the comparison of real-time computerized tomography testing of damage failure mechanism of cracked rock in cold region under successive triaxial loading and unloading has been accomplished .

利用自制的岩石力学三轴CT加载系统 ,完成了具有单一裂纹的裂隙岩石在负温条件下的加卸载损伤破坏机理CT实时对比试验研究。

Image enhancement for rock fractures based on fractional differential

基于分数阶微分的岩石裂隙图像增强

Study of the Rock Crack Reaction in Low Temperature;

降温对岩石裂隙扩展影响机理的数值试验研究

An Image Extraction Algorithm for Rock Fractures on Fractional Differential

一种基于分数阶微分的岩石裂隙图像提取算法

Treatment Method of Rock Crevice in Drilling for Bored Pile

高架桥桩基钻孔遇岩石裂隙的处理技术

A cranny, hollow, or crevice, as in rock.

裂缝裂痕、中空或裂隙，如在岩石上

Investigation on the damage-fractured process of single fractured rock

单裂隙岩石损伤断裂过程的试验研究

Study on Rock Cover of Subsea Tunnel in Jointed Rock Mass;

裂隙岩体海底隧道最小岩石覆盖厚度研究

Dolomite also occurs in this mode as replacement of limestone along major fractures and betts of enclosed breccia.

沿包围角砾岩的主要裂隙带，以交代石灰岩的方式，也能形成白云石。

Complicated Rock Fracture Image Processing and Geometry Complicity Analysis;

复杂岩石节理裂隙图像处理及几何复杂度分析

Study on the Mechanism of 3-D Surface Fracture Propagation in Rock and Numerical Simulation

岩石三维表面裂隙扩展机理及数值模拟研究

FRACTAL DIMENSION ACHIEVES FRACTURED ROCK POROSITY INDEX M AND ITS APPLICATION

分形分维求取裂缝性岩石孔隙度指数m及应用

TEST AND THEORETICAL RESEARCH ON PERMEABILITY CHARACTERISTICS OF SHEAR FRACTURE IN ROCK MASS

岩石剪切裂隙渗流特性试验与理论研究

Rock Fracture Edge Detection Based on Quaternion Convolution Using Average Weighting

基于平均加权四元数卷积的岩石节理裂隙检测

This characteristic has been shown to be particularly true in limestone areas where cracks and crevices occur.

在有断裂和裂隙的石灰岩区域，这种物性表现得特别清楚。

Damage effect and fracture criterion of rock with multi-preexisting cracks under chemical erosion

化学腐蚀下裂隙岩石的损伤效应及断裂准则研究

INFLUENCES OF 3D INTERNAL CRACK DIP ANGLE ON TENSILE MECHANICAL PROPERTIES AND FRACTURE FEATURES OF ROCK-LIKE MATERIAL

三维内置裂隙倾角对类岩石材料拉伸力学性能和断裂特征的影响

Induced porosity is typified by fracture development as found in some shales and limestones and by the vugs or solution cavities commonly found in limestones.

次生孔隙度是以某页岩和石灰岩的裂缝和石灰岩中的岩穴和溶洞为代表。

having small chinks or crannies (especially in or between rocks or stones).

有细微的裂缝或者缝隙（特别是在岩石、石头之上或者之间）。