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爆破损伤
相关语句
  blasting damage
    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
    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
    (5) Based on the structure of DYNA-2D program in which rock and bedded composite rock blasting damage principal model was embedded, number simulation of the rock blasting process is realized, which proves built model accurate and reasonable 。
    (5) 将建立的岩石爆破损伤本构模型和层状复合岩体本构模型嵌入DYNA-2D程序框架,对岩体的损伤破坏过程进行了数值模拟,其结果验证了理论模型的正确性和合理性。
短句来源
    Based on the theoretical calculation of PPV in the near field of the blasting origin, the worldwide used method for evaluating blasting damage by PPV safety criteria deserve referring and popularizing.
    指出,国际上广泛应用的基于爆源近区质点峰值震动速度安全判据的爆破损伤评价与控制方法值得借鉴和推广。
短句来源
更多       
  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
    REVIEW ON DAMAGE MODEL OF ROCK BLASTING
    岩石爆破损伤模型及评述
短句来源
    STUDY ON MECHANISM OF DAMAGE EVOLUTIONIN JOINTED ROCK MASS IN BLASTING
    节理岩体爆破损伤演化机理探讨
短句来源
    DAMAGE MODELS OF ROCK FRAGMENTATION BYBLASTING AND THEIR PROGRESS
    岩石爆破损伤模型及其研究进展
短句来源
    (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
    (4) 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.
    (4)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。
短句来源
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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。

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。

It is special important meaning that Deep - hole Blasting With Bottom Gap Charging is used to protect bottom rock from breaking, to decrease block ratio and to improve blasting efficiency.In this paper, through numerical calculating with 2 - dimension finite difference code set with Rock Blasting Fractal Damage Model, and comparing the difference damage evolution effects between common charging and with bottom gap charging in deep - hole blasting, it is found that the damage evolution area and stress wave free...

It is special important meaning that Deep - hole Blasting With Bottom Gap Charging is used to protect bottom rock from breaking, to decrease block ratio and to improve blasting efficiency.In this paper, through numerical calculating with 2 - dimension finite difference code set with Rock Blasting Fractal Damage Model, and comparing the difference damage evolution effects between common charging and with bottom gap charging in deep - hole blasting, it is found that the damage evolution area and stress wave free surface effect were more obvious differences. The mechanics about blasting process charging with the specia construction was explained with a new way. The research result can be used as a foundation for designing the parameters in deep - hole blasting with bottom gap charging.

深孔爆破孔底空隙装药在有效地保护底板岩层免遭破坏,减少大块率,提高爆破效率等方面均具有重要的意义。本文利用岩石爆破分形损伤模型及二维有限差分程序进行数值模拟,从岩石爆破损伤演化的角度对比了一般深孔爆破装药与空隙装药的岩石破坏过程,发现空隙装药在损伤范围的发展趋势和自由面效应等方面具有明显特征,从而为解释这一装药结构的作用机理提出新的见解,也为这种爆破技术的实际应用提供了一个新的设计依据。

 
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