Study on Distribution of Stress Caused by Column charge Blasting

MU Chao-min;;Qi Juan

Journal of Vibration and Shock ›› 2010, Vol. 29 ›› Issue (10) : 91-94.

PDF(902 KB)
PDF(902 KB)
Journal of Vibration and Shock ›› 2010, Vol. 29 ›› Issue (10) : 91-94.
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Study on Distribution of Stress Caused by Column charge Blasting

  • MU Chao-min1,2,3,4; Qi Juan1
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Abstract

Applying the theory of cylindrical cavity expansion, the characteristics of distribution of stress in elastic-plastic zones are studied according to behavior of blasting-induced deformation of rock. The distribution of stress expression of theory is presented. The stress value is validated by the theory of classical explosion mechanics. The results of theoretical calculation analysis keep good consistence with that given by traditional mechanics.

Key words

mechanics of explosion / distribution of stress / column charge / cavity explosion

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MU Chao-min;;Qi Juan. Study on Distribution of Stress Caused by Column charge Blasting[J]. Journal of Vibration and Shock, 2010, 29(10): 91-94
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