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Технологические свойства неэлектрических систем инициирования скважинных зарядов на карьерах

Технологические свойства неэлектрических систем инициирования скважинных зарядов на карьерах

Abstract

On the basis of probabilistic model of time of initiation of borehole charges analyzed not electric system of initiation It is shown that when using not electric system of initiation which is characterized by dispersion of time of operation of delay mechanisms concerning the face values, distribution of borehole charges on groups of simultaneity has casual character. The maximum quantity of the borehole charges getting to one group at standard schemes of installation of an explosive network is statistically steady and depends mainly on the applied face values of delay and quantity of longitudinal ranks of wells. From the first steps of delay of NESI substantially ceases to carry out function of the regulator of the short-delay detonation providing quality of crushing of mountain weight and carries out only function of increase in the general duration of explosion. Thus the number of the charges which are blowing up before the established turn reaches 20%.

По результатам вероятностного моделирования времени инициирования скважинных зарядов выполнен анализ неэлектрической системы инициирования. При использовании этой системы, характеризующейся разбросом времени срабатывания замедлителей относительно своих номиналов, распределение скважинных зарядов по группам одновременности носит случайный характер. Максимальное количество скважинных зарядов, попадающих в одну группу при типовых схемах монтажа взрывной сети, является статистически устойчивым и зависит от применяемых номиналов замедления и количества продольных рядов скважин. С первых ступеней замедления система в значительной степени перестает выполнять функцию регулятора короткозамедленного взрывания, обеспечивающего качество дробления горной массы, и выполняет только функцию увеличения общей продолжительности взрыва. Количество зарядов, взрывающихся раньше установленной очереди, достигает 20 %.

Keywords

КАРЬЕР,СКВАЖИННЫЙ ЗАРЯД,НЕЭЛЕКТРИЧЕСКАЯ СИСТЕМА ИНИЦИИРОВАНИЯ,QUARRY,BOREHOLE CHARGE,NOT ELECTRIC SYSTEM OF INITIATION

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
gold