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爆破损伤岩石
相关语句
  blasting damaged rock
     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
  相似匹配句对
     REVIEW ON DAMAGE MODEL OF ROCK BLASTING
     岩石爆破损伤模型及评述
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
     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
     Meso Mechanism of Damage and Fracture on Rock Blasting
     岩石爆破损伤断裂的细观机理
短句来源
     STUDY ON FRACTAL DAMAGE MODEL OF ROCK FRAGMENTATION BY BLASTING
     岩石爆破分形损伤模型研究
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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。

>=The different loading strength of the explosive stress wave and the detonation gases are simulated in the conditions of couple charge blasting with stemming and without stemming, and decouple charge with stemming. After the simulating blast experiments in marble have been processed, the rock specimens are drilled along the perpendicular to charge center. On the basis of experimental study on the mechanical behaviors of blast - damaged rock, the regularities of rock damage by blasting are obtained in the different...

>=The different loading strength of the explosive stress wave and the detonation gases are simulated in the conditions of couple charge blasting with stemming and without stemming, and decouple charge with stemming. After the simulating blast experiments in marble have been processed, the rock specimens are drilled along the perpendicular to charge center. On the basis of experimental study on the mechanical behaviors of blast - damaged rock, the regularities of rock damage by blasting are obtained in the different blasting conditions and the different distance to the shot point. Both the mechanical behaviors and the damage properties of blast - damaged rock are analyzed by establishing an elastic - brittle meso - damage model. Analyzing the factors of blasting effect on quali- ty of surrounding rock mass, the modifying coefficient expression of blasting effect on basic quality index of rock mass is obtained. Based on the experimental results in laboratory and in site, the regularity and degree of blasting effect on rock mass stability is analyzed.

采用耦合填塞装药、耦合无填塞装药和不耦合填塞结构模拟了爆炸应力波和爆生气体的不同加载强度,在大理岩中进行模拟爆破试验后,垂直于装药中心钻取岩样,通过对爆破损伤岩石的力学特性进行实验研究和应用爆破损伤岩石的弹脆性细观损伤模型,得到了在不同爆破条件下和距爆点不同距离处岩石的爆破损伤规律,并对爆破损伤岩石的力学特性和损伤特性进行了分析。通过分析爆破对围岩质量的影响因素,确定了爆破对岩体基本质量指标影响的修正系数,在试验的基础上,分析了爆破对岩体稳定性的影响程度和影响规律。

 
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