It is difficult to detect the absolute density of rock by ct image in quantitative analysis of rock damage process in compression.
用CT图像定量分析岩石受力损伤破坏过程的难点，是难以知道岩石内部的绝对密度变化量。
Using mercury to separate gold from rock, millions of small-scale miners worldwide inhale toxic vapors during the refining process, exposing themselves to neurological and genetic damage.
由于用水银从矿石中分离金，全世界数百万小规模采矿者在精炼过程中吸入水银蒸汽，使他们的神经和遗传受到损害。
The blasting damage and fracture process of rock is complicated dynamic evolvement process.
岩石爆破损伤断裂过程是一个复杂的动态演化过程。
Reservoir pressure decline, the increase of recovery rate and the damage of rock structure are main reasons of micro fine migration and sand production during oil recovery process of such reservoirs.
疏松砂岩油藏开采过程中，油层压力下降和采油速度的增加以及岩石结构的破坏，是造成油层岩石微细粒运移和油井出砂的主要原因。
The evolution law of CT number and CT images in the complete process of damage failure of frozen cracked rock is studied.
分析了冻结裂隙岩石加卸载损伤全过程的CT图像和CT数的演化规律。
A linear elastic damage model based on finite element method at mesoscopic level was applied to investigate the three-dimensional failure process of rock subjected to various stress loadings.
采用细观弹性损伤模型和有限元计算方法实现岩石三维破裂过程的数值模拟。
CT identification technique is applied to study the damage propagation. The in-time CT scanning is used to study the process of damage propagation of rock.
将CT识别技术用于岩石损伤扩展研究，对岩石损伤扩展过程进行即时CT扫描。
By use of dynamic strain testing, the ultrasonic wave, bedded composite rock damage and fracture mechanisms and the fragmentation process during blasting have been experimentally studied.
运用超动态应变测试技术、超声波检测仪对层状复合岩体的爆破损伤破坏机理和破坏过程进行了实验研究。
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。
Therefore, describe the fractal feature of acoustic emission time sequence by correlation dimension and research the evolution law of rock damage and failure process.
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。
Reservoir pressure decline, the increase of recovery rate and the damage of rock structure are main reasons of micro fine migration and sand production during oil recovery process of s...
疏松砂岩油藏开采过程中，油层压力下降和采油速度的增加以及岩石结构的破坏，是造成油层岩石微细粒运移和油井出砂的主要原因。
From the point of whole creep process, long-term strength and energy dissipation, this paper analyzes the creep damage characteristics of wreak surrounding rock.
从岩体的蠕变全过程、长期强度和能量耗散的角度，分析软弱围岩的蠕变损伤特性。
By comparing the change of acoustic emission of rock materials under loading and unloading conditions, acoustic emission phenomenon has been discussed during the damage process of rock materials.
通过对加、卸荷应力状态下岩石类材料声发射变化的比较，探讨岩石类材料破坏过程中的声发射现象。
The rock damage model and the damage-coupling model suited to analyze the whole process of water jet breaking rock were established with continuum damage mechanics and micro damage mechanics.
运用连续损伤力学和细观损伤力学理论，建立了适用于水射流破岩全过程分析的岩石损伤模型以及宏细观损伤的耦合模式。
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。
It is tested that the density damage increment not only reflects the damage degree of rock but also describes the meso-damage process of rock. The further discussion shows...
进一步讨论表明，岩石密度损伤增量场能圆满地刻画岩石细观损伤状态和岩石细观损伤过程。
It is tested that the density damage increment not only reflects the damage degree of rock but also describes the meso-damage process of rock. The further discussion shows...
进一步讨论表明，岩石密度损伤增量场能圆满地刻画岩石细观损伤状态和岩石细观损伤过程。
应用推荐