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爆破损伤
相关语句
  blasting damage
     Problems in the Definition of Blasting Damage Variable and Their Discussions
     有关爆破损伤变量定义中存在的问题及探讨
短句来源
     The blasting damage degree decreased with the increasing of distance,and gradually became indistinct.
     随着与爆源距离的增大,岩体爆破损伤程度减小,累积损伤效应逐渐变得不明显;
短句来源
     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。
短句来源
     Mechanism Research on Blasting Damage and Fracture of Bedded Composite Rock and Its Engineering Application
     层状复合岩体爆破损伤断裂机理及工程应用研究
短句来源
     The mechanism analyses of bedded rock blasting damage and fracture
     层状岩体爆破损伤断裂机理分析
短句来源
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  blast-induced damage
     Study on the Blast-induced Damage Zone for Rock Excavation
     岩石爆破损伤影响范围研究
短句来源
     Study on blast-induced damage zone for excavation of diversion tunnel at right bank of Longtan Hydroelectric Project
     龙滩水电站右岸导流洞开挖中爆破损伤范围研究
短句来源
     Basen on the criteria of the peak particle velocity(PPV) for blast-induced damage,the design approach for excavation blasting near contour of rock slope is discussed.
     基于岩石爆破损伤影响范围控制的质点峰值振动速度判据,就临近岩石边坡开挖轮廓面的爆破开挖设计方法进行了探讨。
短句来源
  “爆破损伤”译为未确定词的双语例句
     (2) 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.
     (2)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。
短句来源
     REVIEW ON DAMAGE MODEL OF ROCK BLASTING
     岩石爆破损伤模型及评述
短句来源
     A damage constitutive model of rock mass blasting is developed based on the definition of damage. The model is incorporated into SHALE program and the purpose of the numerical simulation of rock mass damage scope is realized.
     本文以三峡工程基岩开挖爆破为背景,通过定义损伤变量,导出其损伤发展方程,建立了模拟基岩爆破损伤范围的本构模型,并将其嵌入SHALE程序的框架之中,实现了基岩开挖爆破损伤范围的数值模拟.
短句来源
     Rock damage by blasting and its numerical simulation
     岩石爆破损伤及数值模拟
短句来源
     By use of the ultrasonic wave, rock damage and fracture mechanism and the fragmentation process during blasting are studied, and the theory presented in the paper has been proven.
     运用超声波等手段对岩石爆破损伤断裂机理和破坏过程进行了试验研究,分析了不同爆破条件下岩石内部微裂纹的扩展规律、损伤演化和岩石破碎规律,验证了本文理论部分的正确性。
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  blasting damage
Special attention has been paid to the simulation of the variation of parameters because of the blasting damage and the stress relief relaxation, and the de-coupling of parameters as well.
      
Protecting External Rock Bodies from Blasting Damage
      
A mathematical-probabilistic model of blasting damage in a fissured block-structured medium
      
  blast-induced damage
Problem of predicting the blast-induced damage sustained by crystals in dense media
      
  blast induced damage
It is extremely difficult to distinguish between blast induced damage and normal aging effects.
      


Based on the current damage model studied by Kuszmaul, Thorne et al, a new model for rock fragmentation by blasting has been presented.applying fractal theory and its achievements used in rock mechanics. In the new model named FDM, the original damage in rock is determined by the fractal dimension of fracture or flaw in it which is the basis of rock fragmentation, and the damage evolution during blasting is connected with the fractal dimension and damage energy dissipation rate. Thus two defects in current model...

Based on the current damage model studied by Kuszmaul, Thorne et al, a new model for rock fragmentation by blasting has been presented.applying fractal theory and its achievements used in rock mechanics. In the new model named FDM, the original damage in rock is determined by the fractal dimension of fracture or flaw in it which is the basis of rock fragmentation, and the damage evolution during blasting is connected with the fractal dimension and damage energy dissipation rate. Thus two defects in current model have been remedied which the direct effect of original damage is disregarded and the damage evolution is reduced to the functionof bulk strain. The postulates of the new model have been verified by the results of simulated testand other methods.

在Kus和Thorne等人研究基础上,利用分形理论及应用成果提出了一种新的岩石爆破损伤模型。新模型将岩体中各种结构弱面视为初始损伤,并将其分形维数作为岩石性质的主要参量,用损伤能量耗散率及与分形维数的关系表征爆破过程中的岩石损伤演化规律,从而弥补了现有模型未考虑初始损伤影响和将损伤演化归结为体积应变函数的不足。还通过模拟试验等手段验证了新模型的如上观点。

Under the function of blasting loading,the rock damage evolution has an evident percolation effect. It is feasible to use percolation model to describe the process of the damage fracture of rock blasting. The potential further research approach is suggested.

爆破载荷作用下岩石损伤演化具有明显的逾渗效应,采用逾渗模型来描述岩石爆破损伤断裂这一过程是可行的,提出了进一步可能的研究途径.

Based on analyzing some typical damage models on rock blasting, this paper presents that the dampge evolution of rock under explosion loading has apparent percolation effect.It's feasible to use percolation theory to discribe the damage and fracture process of rock blasting.The further investigating way is given.

本文在分析几种典型的岩石爆破损伤模型的基础上,发现岩石爆破损伤演化具有明显的逾渗效应。采用逾渗理论来描述岩石爆破损伤断裂这一动态过程是可行的,并提出了进一步可能的研究途径。

 
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