2012•Engineering BlastingRequires access

EXPERIMENTAL STUDY ON CRATER OF MULTI-DIRECTION SHAPED CHARGE BLASTING

Ren Guang-xue

Abstract

The multi-direction shaped charge blasting is a new type of blasting technology.Based on the elaborating of basic theory of multi-direction shaped charge blasting and factors,the multi-direction shaped charge was designed,and the comparative experiments in blasting crater of conventional blasting and multi-direction shaped charge blasting were made in order to study the characteristics of explosion energy distribution in blasting crater.The results show that the multi-direction shaped charge can increase the volume of blasting crater,heighten the ratio of blasting energy on rock breaking,and improve the rate of explosive.

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Key concepts: Rock blasting, Impact crater, Explosive material, Charge (physics), Geotechnical engineering, Engineering, Geology, Physics