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Study on Parameters of Deep-Hole Loose Blasting under the Condition of High Stress

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Abstract:

The hole wall crushed and fractured zones length has been derived theoretically,and put forward the calculation formula of blasting crushing circle and radius of the corresponding fracture zone.Corresponding to the deep rock blasting parameters design on the basis of theoretical analysis,then lead to the reasonable parameters.These can provide certain reference design work for coal mine deep rock blasting parameters.

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Info:

Periodical:

Applied Mechanics and Materials (Volumes 644-650)

Pages:

646-649

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.644-650.646

Citation:

Cite this paper

Online since:

September 2014

Authors:

Zhi Tao Zheng*, Ying Xu

Keywords:

Blasting Parameters, High Stress State, Initial Stress, Loosen Blasting

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Сopyright:

© 2014 Trans Tech Publications Ltd. All Rights Reserved

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References

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