The energy dissipation is related to the internal damage of rock to some extent.
岩石能量耗散在一定程度上反映了岩石内部的损伤破坏情况。
The blasting of slope excavation results in the damage of rock mass consequentially.
边坡开挖爆破必然造成边坡岩体的损伤。
The result shows that the damage of rock surrounding tunnel mainly depends on the natural stress.
结果表明巷道围岩的损伤主要与地应力有关。
The results show that thermal cracking damage of rock is a general phenomenon highly affecting mechanical properties of rock.
结果表明，岩石的热开裂损伤是一种普遍现象，并对岩石的力学性质等有显著影响。
When the stress reaches a certain level, the accelerated creep damage of rock occurred after the decay creep and steady creep.
当应力达到一定的水平时，岩石加速蠕变损伤发生后的衰减蠕变和稳态蠕变。
The rationale of this method is that damage of rock materials will cause perturbations of measured structural signal at damage sites.
这个方法的理论基础是：岩石材料的损伤将使得结构的测量信号在损伤部位产生扰动。
The combined effect of freeze-thaw and load in the total damage of rock has obvious nonlinear properties, but the coupling effect will weaken the total damage.
冻融与荷载的共同作用使岩石总损伤加剧，并表现出明显的非线性特征，而其耦合效应使总损伤有所弱化；
Furthermore, the evolutionary processes for the fatigue damage of rock and concrete are different due to the differences of weathering degree, components and their contents.
另外，岩石材料由于其风化程度不同或所含成分及含量不同，其疲劳损伤演化进程也都不相同。
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。
The existing studies have shown that the pore fluid pressure of porous media has some effects on the deformation and damage of rock, and the influential level is distinct to different rock masses.
已有的理论研究表明，多孔介质孔隙流体压力对岩石的变形和破坏存在一定影响，不同岩石其影响程度不同。
The constitutive relation of the stratified rock on the high slope of the dam was associated with the damage of rock mass, azimuth Angle of rock Interface, parameter of rock mass, stress state, etc.
大坝高边坡层状岩体本构关系与岩体损伤、层面方位角、岩体参数、受力状态等有关。
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。
At the same time, some scientific hypotheses of the damage evolution equations and stress-strain relationship as well as the failure mechanism of rock mass are also proposed.
同时，也为进一步建立岩体结构合理的损伤演化方程、本构关系和研究岩石破坏机理提供了科学依据。
So macroscopical damage mechanism of rock mass should research through its load and deformation law.
所以煤岩的宏观破坏机理应从其荷载以及变形规律来研究。
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。
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。
By introducing a damage variable expressed by the equivalent shear stiffness, a dynamic shearing damage constitutive model of rock is established including three phases.
定义了用等效剪切刚度表示的损伤变量，建立了一个分三阶段表述的岩石动态剪切损伤本构模型。
The effect of rock mass damage on excavations is analysed.
分析了岩体损伤对洞室的影响。
The results indicate that the variation of ultrasonic velocity can reflect the damage degree of rock well, and the damage properties of rock can provide basis for the design of rock blast.
结果表明，岩石超声波速的变化可以很好地反映岩石的损伤程度，得出的岩石的损伤特性可以为岩石的爆破设计提供依据。
Based on the existing damage model of rock blasting and the theory of rock damage and fracture, a new damage model for rock blasting has been founded.
在分析现有岩石爆破损伤模型和岩石爆破损伤断裂理论的基础上，建立了新的岩石爆破损伤模型。
The damage propagation of rock under the freezing and thawing condition is a new direction of rock damage mechanics.
岩石冻融过程的细观损伤研究是近年来冻融损伤研究的一个新方向。
Thus, it is very important to study the damage ct values of rock subjected to different freezing rates.
因此，研究冻结速度对岩石损伤结构的影响具有重要意义。
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。
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。
Based on the existing research results and up to the minute theory of rock damage and fracture mechanics, the blasting damage and fracture mechanism of rock and bedded composite rock is studied.
本文基于前人的研究成果，采用岩体损伤、断裂理论的最新研究成果，研究了岩石和层状复合岩体在爆炸应力波和爆生气体作用下的损伤断裂机理。
At present, in the design and construction of smooth blasting, considering few influence that main blast hole 'first blast damage to rock of smooth blasting parameters.
目前，在光面爆破设计与施工中，均未考虑主爆孔先爆造成光爆层岩石损伤对光面爆破参数的影响。
Based on damage and destroy theory of bedded composite rock, damage principal equation and damage and fracture rules of bedded composite rock have been founded.
以层状复合岩体损伤破坏理论为基础，建立了层状复合岩体损伤本构方程及其破坏断裂准则。
The research of damage characteristics of cracked rock in cold region is one of the fundamental projects in the rock mechanics research field in cold region.
西部寒区裂隙岩石损伤破坏机理研究是目前寒区岩石力学领域的基础性研究课题之一。
The research of damage characteristics of cracked rock in cold region is one of the fundamental projects in the rock mechanics research field in cold region.
西部寒区裂隙岩石损伤破坏机理研究是目前寒区岩石力学领域的基础性研究课题之一。
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