Special technology of drilling and blasting operations during building of drainage-sewerage system in complicated hydrogeological conditions

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FROM THE EXPERIENCE OF OPERATION OF MINING ENTERPRIES AND COMPANIES
Название	Special technology of drilling and blasting operations during building of drainage-sewerage system in complicated hydrogeological conditions
Автор	Norov Yu. D., Nutfullaev G. S.
Реферат	Special technology developed for realization of long excavations (troughs) in rocks with different durability and in complicated mining-geological conditions with dual-stage rock crushing with down hole and rimate shots respectively has been presented.
Ключевые слова	Troughs, rocks with different durability, gutter ground, strong inclusions, level of ground waters, down hole and rimate shots, parameters of drilling and blasting operations
Language of full-text	русский
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