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Science and Technology of Energetic Materials

Vol.70, No.2 (2009)

Research paper

Characteristics of ANFO explosive after blasting detonating cord
Kiyoshi Matsushita, Keiichiro Iwai, Shigetaka Kido, Katsuhiko Nozoe, Shinya Tanaka,
Fumihiko Sumiya, Katsumi Katoh, Shiro Kubota, Yuji Wada, and Yuji Ogata
p.33-37

Abstract

We are suggesting the low-emission blasting technique that focused on the reduction of scrapped materials after blasting. In the blasting method, when the time lags between the detonation of the detonating cord and the ANFO explosive are long, the detonation velocity of the compressed ANFO explosive by the detonation of the detonating cord is higher than the normal ANFO explosive. This result shows that the improvement of the effect of rock blasting might be possible, if we can examine and provide the most suitable blasting condition that fit each the blasting fields.

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Keywords

compressed ANFO explosive, low-emission blasting ; detonating cord ; short lead

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