以上实验和分析结果可以为岩石声发射定位实验的方案设计提供参考。
The experimental and analytical results can afford useful help for the program design of AE location experiment of rocks.
由损伤力学理论与微元强度统计理论，得到了岩石声发射参数与损伤参量的关系。
The relationship between acoustic emission (AE) parameters and damage variable is obtained by applying the damage theory and microelement statistical strength theory.
本论文采用关联维数来描述岩石声发射时间序列的分形特征，研究岩石损伤破坏过程的演化规律。
Therefore, describe the fractal feature of acoustic emission time sequence by correlation dimension and research the evolution law of rock damage and failure process.
依据这一模型，分析了单轴压缩时岩石破坏阶段声发射特性与压机刚度的关系。
The relation between AE characteristics during rock failure and machine stiffness is analysed under uniaxial compression with the above model.
该项研究是对声发射传感器联机探测岩石性质进行评价。
This study is to evaluate the on-line detection of rock properties through acoustic emission sensors.
以凯瑟效应测量岩石试样先存应力，声发射探头与试样的耦合是其重要环节。
Coupling the acoustic emission probe with the specimen is the key link in the measurement of preexisting stress of the rock specimen by Kaiser effect.
实验同时表明岩石热开裂的波速效应，与过去被其他作者发现的热开裂声发射效应之间有着密切的关系。
The experiments also showed that the effect of thermal cracking on wave velocity is related closely with that on acoustic emission discovered by other authors.
对循环加载和分级加载条件下岩石损伤破坏全过程的声发射规律和频谱特性进行了研究。
The acoustic emission regularity and spectrum characteristics of rock under cyclic loading and multi-stage loading during complete failure process were studied.
声发射技术是岩石力学研究中十分重要的工具之一。
The acoustic emission technique is one of the important tools in rock mechanics research.
在CT尺度裂纹演化和破坏阶段，由于岩石损伤高度局部化，声发射率参数不能精确反映岩石破坏的细观机制。
At the process of ct crack and rapture evolution, the acoustic emission can not precisely reflect the meso-mechanism of rock deformation and rapture because of localization of damage.
在实验室中对岩石破裂前的声发射前兆和遥感前兆进行了对比研究。
The comparison between the indication of acoustic emission and remote sensing before rock rupture was made.
实验证明，岩石的声发射序列不仅在空间上是分形分布的，而且在时间上也具有分形特征。
The experiment showed rock acoustic emission sequence not only has fractal distribution in space, but also has fractal feature in times.
在岩石力学实验中，声发射源定位的研究方法，是实验室声发射研究的重要方面。
In rock mechanics experiment, the source location methods of acoustic emission (AE) is an important aspect of experimental AE research.
用声发射(AE)定位技术确定岩石内部微破裂的发生位置，研究岩石的破坏过程，对预测岩石最终的破坏位置具有重要的实用价值。
It is very valuable that localize the micro-crack location in rock by AE location method to investigate the process of rock failure and predict the final failure position.
岩石损伤变量的计算方法，提出了基于应力-应变曲线上的声发射测试结果表明，该方法是合理的。
A computational method for rock damage variable is presented based on the stress-strain curve; the acoustic emission test result shows that this method is reasonable.
在加载过程中，岩石试件内部出现的损伤用声发射技术进行了记录。
The damages emerging from inside the rock samples are recorded by the acoustic emission technique during the experimental process.
最后通过岩样的压缩试验得出了不同岩样的岩石应力、应变曲线与声发射特性之间的变化规律。
Finally, the rule of the change between the curve of stress-strain and the characteristics of acoustic emission in different rocks were obtained through the compression tests of different rocks.
岩石是典型的非均匀脆性材料，其内部富含各种缺陷，在受载破裂过程中会产生大量的声发射信号。
Rocks were typical inhomogeneous brittle materials with abundant various deficiencies inside and will generate plenty of acoustic emission signals during damage process under loading.
岩石的破坏前兆是否明显跟岩性有关，相比较而言，岩石破坏时的声发射率前兆比声发射能量率前兆更为明显一些。
Whether the precursor is obvious is correlated to rock the character, and the precursor of AE rate is more apparent than the precursor of AE energy rate comparatively.
峰后声发射活性主要受岩石的强度影响。
The activity of the after peak acoustic emission would be mainly affected by the rock strength.
岩石在接近峰值强度时单位时间内的应力增长速度减小、声发射事件率出现明显下降。
At the time when the rock strength approached to the peak value, the increasing velocity of stress in unit time reduced and the rate of acoustic emission event decreased obviously.
野外采集原位岩石、江水样品，进行饱和-烘干循环试验，在单轴压缩状况下进行声发射(AE)特性试验。
Field in-situ rock, river water samples, saturated - drying cycle experiment was carried out, under the conditions of uniaxial compression characteristics of acoustic emission (AE) test.
结果表明：岩石压入硬度与声发射信号的积分rms有最好的相关关系。
It is indicated that there is the best correlation between rock indentation hardness and integrated RMS of AE events.
在高水平时，由于岩石内部损伤程度高，有零星声发射信号产生。
Meanwhile, sporadic acoustic emission signals are detected in the high stress stage for the high extent of internal damage.
通过对钻井取心岩样压入硬度及模拟剪切的破岩试验，探寻利用岩石的声发射频率来判别井下岩石类型的可能性。
Through compaction hardness and analog shear rock failure test to drilling core, the paper discusses the possibility of discriminating downhole rock type by using rock acoustic emission frequency.
通过分析加载过程中声发射定位事件、CT扫描切片以及CT数的变化，获取多裂纹岩石裂纹扩展破坏过程。
By analyzing the positions of acoustic emission events, the CT slides and the change of CT number, the cracking propagation process is achieved.
对岩石试件加载及破坏过程的声发射进行了试验，对工程岩体声发射进行了监测。
Acoustic emission (AE) in rock specimen was tested under loading and breakage, and AE in rock engineering was surveyed.
实验过程中记录到大量的声发射信息，它能够反映岩石试件内部每一个损伤(微裂纹)发生的时间、地点和强度。
Lots of acoustic emission during the entire loading are recorded. The recording is able to indicate the occurrence time, location and magnitude of every damage (micro-crack) in the specimen.
在实验室中对岩石破裂前的声发射前兆和遥感前兆进行了对比研究。
Study on simulation of statistical damage in the full process of rock failure;
在实验室中对岩石破裂前的声发射前兆和遥感前兆进行了对比研究。
Study on simulation of statistical damage in the full process of rock failure;
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