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爆破损伤
相关语句
  blasting damage
    So the blasting damage effect should be sufficiently thought during stability evaluation and support design of wall rock.
    因此在进行围岩稳定性评价及支护设计时,应充分考虑爆破损伤效应的影响。
短句来源
  blast-induced damage
    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
    EXPERIMENTAL STUDY ON MECHANICAL PROPERTIES OF BLASTING DAMAGED ROCK
    爆破损伤岩石力学特性的试验研究
短句来源
    Study on Mechanism of Rock Damage and Crack by Explosion Loading
    爆炸荷载下岩石爆破损伤断裂机理研究
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。
短句来源
    The new parameters for describing damage and its evolution in rock are explored to construct damage model of rock fragmentation by blasting.
    探索岩石动态损伤参量及其演化表征方式以构造岩石爆破损伤模型。
短句来源
    Considering the relationship of the attenuation of wave and damage energy dissipation, a new rock damage model is developed for rock blasting.
    在考虑岩石冲击损伤过程的声波衰减规律及其与能量耗散率关系的基础上 ,建立新的岩石爆破损伤模型。
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
      


The new parameters for describing damage and its evolution in rock are explored to construct damage model of rock fragmentation by blasting. The shock induced damage experiments are carried out and the ultrasonic signals in the damaged rocks are measured. The results show that the shock induced damage of rock is related to the attenuation coefficient of sonic wave. Considering the relationship of the attenuation of wave and damage energy dissipation, a new rock damage model is developed for rock blasting....

The new parameters for describing damage and its evolution in rock are explored to construct damage model of rock fragmentation by blasting. The shock induced damage experiments are carried out and the ultrasonic signals in the damaged rocks are measured. The results show that the shock induced damage of rock is related to the attenuation coefficient of sonic wave. Considering the relationship of the attenuation of wave and damage energy dissipation, a new rock damage model is developed for rock blasting. Comparing the experiment data of light gas gun with the simulating results by the new models, it is verified that the new model can better reveal the dynamic course of rock fragmentation by blasting.

探索岩石动态损伤参量及其演化表征方式以构造岩石爆破损伤模型。通过岩石冲击损伤实验 ,对冲击前后试件进行超声波测试 ,得出岩石动态损伤与超声波衰减规律的关系。在考虑岩石冲击损伤过程的声波衰减规律及其与能量耗散率关系的基础上 ,建立新的岩石爆破损伤模型。通过实验验证该模型的计算结果并实现了岩石台阶爆破数值计算

The experiments are made in marble to simulate blast in different conditions. On the basis of experimental study on the mechanical properties of blasting damaged rock, the regularities of rock damage by blasting are obtained in different distance and blasting conditions. Finally, both the spreading regularities of meso-crack and the damage properties of blast damaged rock are analyzed by applying an elasto-brittle meso-damage model for blast damaged rock.

在不同的爆破条件下,在大理岩中进行了模拟爆破实验。在对爆破损伤岩石的力学特性进行实验研究的基础上,得到了在不同爆点距离和爆破条件下,爆破对岩石损伤作用的一些规律,并应用岩石弹脆性细观损伤模型,对爆破损伤岩石的细观裂纹扩展规律及其损伤特性进行了分析。

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. A mathematic error existed in the equation to calculate PPV proposed by Holmberg and Persson is modified,then a new method which is both theoretically reasonable and easy to use is proposed to determine PPV. Finally,with the practical case of the rock slope excavation of the permanent ship locks at Three Gorges Project as an example,the detailed...

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. A mathematic error existed in the equation to calculate PPV proposed by Holmberg and Persson is modified,then a new method which is both theoretically reasonable and easy to use is proposed to determine PPV. Finally,with the practical case of the rock slope excavation of the permanent ship locks at Three Gorges Project as an example,the detailed application of the modified approach is introduced,and rationality evaluation of the practical design parameters adopted at Three Gorges Project is also performed.

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。修正了在国际上被广泛引用的计算质点峰值振动速度的Holmberg-Persson方法中隐含的数学错误,提出一种更具理论基础且又切实可用的确定岩石爆破中爆源近区的质点峰值振动速度衰减规律的新方法。最后结合三峡工程通航建筑物岩石边坡开挖中的工程实例对建议方法的具体应用作了介绍,并就三峡工程实际采用的爆破设计参数的合理性进行了评价。

 
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