NDLI: Quality preparation improvement of mined rock for mining extraction considering spatial temporary formation of field strain

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Quality preparation improvement of mined rock for mining extraction considering spatial temporary formation of field strain

Content Provider	Scilit
Author	Dolzhikov, V. V. Marinin, M. A.
Copyright Year	2017
Description	Journal: Iop Conference Series: Earth and Environmental Science The analysis of blasting works production shows the necessity of quality preparation improvement of rock mass for the subsequent processing. Blast operations make up 20% to 30% of the general and end products cost. The crushing of mined rock strongly depends on an action of an explosion wave direction. The investigation results of the wave field strain at explosion of the system of borehole charges have been presented in this paper. The model and method of calculation of the wave field strain have been provided. The influence of an interval delay between a borehole set and the ignition direction on wave tension has been established. Results of the pilot tests scheme of ignition for the pit of the construction materials "Prudyansky" located in Leningrad region of Russia have been demonstrated.
Related Links	https://iopscience.iop.org/article/10.1088/1755-1315/87/5/052003/pdf http://iopscience.iop.org/article/10.1088/1755-1315/87/5/052003/pdf
ISSN	17551307
e-ISSN	17551315
DOI	10.1088/1755-1315/87/5/052003
Journal	Iop Conference Series: Earth and Environmental Science
Issue Number	5
Volume Number	87
Language	English
Publisher	IOP Publishing
Publisher Date	2017-10-01
Access Restriction	Open
Subject Keyword	Journal: Iop Conference Series: Earth and Environmental Science Mining and Mineral Processing Field Strain Mined Rock
Content Type	Text
Resource Type	Article
Subject	Earth and Planetary Sciences Physics and Astronomy Environmental Science

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