The acoustic emission (AE) during coal rock fracture is measured and analyzed.
对受载煤体破裂过程中的声发射(AE)信号进行了测定和分析。
With the rock fracture statistics technology, the failure passage can be fitted;
借用节理裂隙的统计方法拟合局部化带，得到破坏通道；
The acoustic emission (AE) during coal or rock fracture is measured and analyzed.
对受载煤体破裂过程中的声发射(AE)信号进行了测定和分析。
Therefore, it is an important means of mastering rock nature to study rock fracture.
故对岩体的裂隙等结构面的研究是把握岩体性质的重要手段。
An experiment on dynamic rock fracture toughness test using edge-notched disc specimen is presented.
提出用边切槽圆盘试样测量岩石动态断裂韧度的实验方法。
Under the same conditions the maximum water-flow in rock fracture is about 30—40 times that in the clay fracture.
指出粘土裂缝中最大水流量要比相同条件下基岩裂缝水流量小30—40倍。
The models of percolation, rock fracture and flit ant are studied on the real-space renormalization group approach.
本文利用实空间重整化群方法对渗流、岩裂、飞蚁模型进行了研究。
In the meantime, from the basic viewpoints of rock fracture mechanics, an insight is made into the mechanism of floor hea...
同时，用岩石断裂力学的基本观点对煤矿底鼓水的机理进行了探索性研究。
The quantitative characterization of the microdefects of rock fracture process has always been the key of CT image analysis.
岩石在断裂破坏过程中微缺陷的定量描述始终是CT图像分析的关键。
It is hard to quantify the roughness of rock fractures with commonly used function because rock fracture surfaces are rough.
天然岩石的裂隙面是凸凹不平的，用一般的函数难以描述裂隙面的复杂形态。
Based on the viewpoints of rock fracture mechanics, compressive strength of rock mass controlled by discontinuities is discussed.
基于岩体断裂力学的观点，探讨基于结构面扩展的岩体抗压强度准则。
This paper overviews the experiment results of recent rock fracture in Japan, especially some progress relating to earthquake prediction.
本文综述了日本近期岩石破裂的实验结果，尤其是与地震预报有关的一些进展。
The new method is sensitive to the unfavorable geologic bodies filled with water or mud such as faults, caves and zones of rock fracture.
瞬变电磁法对低阻充水断层、充泥充水溶洞、充水充泥破碎带等不良地质体反映灵敏。
This paper deals with some conventional criterions of rock fracture based on relevant references and advances in the study of rock fracture.
在参考相关文献的基础上，简要介绍了常用的岩石断裂准则，以及岩石断裂研究新情况。
Aimed to the fracture behavior before peak load, the rock fracture stability determined by fracture curves after peak load has been studied.
以岩石断裂峰值后曲线为岩石断裂稳定性研究内容，提出了裂纹扩展本构曲线的概念和判断岩石断裂稳定性的方法。
Based on this result, a mechanism for the emission of light and other electromagnetic radiations observed during rock fracture is suggested.
根据这一结果提出了岩石破裂中出现可见光及其它电磁辐射的理论解释。
In the meantime, from the basic viewpoints of rock fracture mechanics, an insight is made into the mechanism of floor heave water in coal mines.
同时，用岩石断裂力学的基本观点对煤矿底鼓水的机理进行了探索性研究。
The result shows that the electrochemical method is effective to test expansion of rock crack. It is a new method to study rock fracture behavior.
结果表明：利用电化学手段可以检测岩石微裂纹的成核扩展，为进一步研究岩石的断裂行为提供新的检测手段。
The results according with other models and laboratory experiments show that the percolation mode is a suitable model for describing rock fracture process.
所得结果与其他模型和实验基本一致，表明通渗模型是描述岩石破裂扩展演化过程的一种较合适的模型。
Experiments of rock fracture verified that strong low frequency wave could be received both on the surface of rocks and in the air before the main fracture.
岩石破裂实验证实主破裂前在岩石表面和空气中均收到较强的低频波。
Based on the results of rock fracture experiments and the theory of seismic precursors, the preparation process of the earthquake is divided into several stages.
根据岩石破裂实验结果和地震前兆理论，对这次地震的孕育过程作了阶段性的划分。
This paper summarizes several description method of rock fracture at home and abroad and comprehensively reviews the research status of various description methods.
总结了当前国内外岩体节理裂隙表征的方法，综合评述了各种表征方法的研究现状。
In measurement of data on rock fracture surface, some errors will certainly occur. These errors will make the fractal interpolation curves (surfaces) have some deviations.
在岩石断面数据点的实际测量过程中，必然会产生一些误差，而这些误差又必然会引起分形插值曲线(曲面)的偏离。
In the quantitative research on fracture, some principles for rock fracture are usually adopted to confirm when and in which direction the rock fractures occur under stress.
在裂缝的定量研究中，通常需要选用一定的破裂准则来确定岩石在应力作用下裂缝形成时间以及裂缝的方向。
The fractal methods are used to describe the tortuous shape of rock fracture cracks, and the theoretical models for fracture toughness of rock with fractal cracks are built.
引入分形几何理论，应用分形方法来描述岩石断裂裂纹的曲折形态，进而建立分形裂纹下的岩石断裂韧性理论模型。
The electron emission and light emission during rock fracture and the explosive nature of the fracture can be satisfactorily explained in this wal at a semiquantitative level.
根据这种机制可在半定量水平上较为满意地解释岩石破裂中的电子发射、光辐射和岩石的爆炸式破裂。
In this paper, the effect of different confining pressure and rock is studied. (2) Rock fracture process induced by double cutters and three cutters simultaneously is studied.
双刀头、三刀头同时作用下以及三刀头顺次压入岩体破碎过程数值模拟。
This paper describes the Analysis System RFPA2D in process of rock fracture, which applies in investigation of moving rules of rock, and conducts calculation of actual instance.
论述了岩石破裂过程分析系统RFPA2D在采场上覆岩层移动规律研究中的应用并进行了实例计算。
On the basis of explosion model testing, this paper discusses the splitting behavior of rock between adjacent decoupling-charged holes and the effect of time delay on rock fracture.
本文在爆破模型试验的基础上探讨了相邻炮孔破裂和不同起爆时差的影响。
On the basis of explosion model testing, this paper discusses the splitting behavior of rock between adjacent decoupling-charged holes and the effect of time delay on rock fracture.
本文在爆破模型试验的基础上探讨了相邻炮孔破裂和不同起爆时差的影响。
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