Перегляд по темі "emulsion explosives"
Зараз показуються 1-10 з 10
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Ecological and technological aspects of iron-ore underground mining
(National Mining University, 2017-06-30)Purpose. To substantiate drilling-and-blasting technologies allowing to reduce the amount of hazardous substances affecting the level of ecological safety during underground ore mining. Methods. The laboratory research ... -
Examination of density and detonation velocity of emulsion explosives
(2022)Purpose. To develop a method for calculating the change in the density of emulsion explosives (EE) along the length of the charge column under the action of hydrostatic pressure at different angles of inclination of the ... -
Improving the efficiency of blasting operations in mines with the help of emulsion explosives
(National Mining University, 2018-03-30)Purpose. To improve the efficiency of blasting operations in mines taking into consideration the upgrading of equipment used to charge blastholes as well as application of high-productive mining equipment of new ... -
Integrated assessment of the environmental hazard level of technologies of drilling and blasting operations with using emulsion explosives in quarries
(2018)Purpose. Adaptation of the “unified method of quantitative and qualitative assessment of the level of environmental hazard of the operation of industrial enterprises, facilities and introduced technologies in the field of ... -
Method for calculation of drilling-and-blasting operations parameters for emulsion explosives
(National Mining University, 2019-09-30)Purpose. Development of a new method for calculation of drilling-and-blasting operations parameters during underground mining with application of emulsion explosives taking into account their energy characteristics as well ... -
Rational parameters of drilling-and-blasting operations at mine workings construction in the conditions of PJSC “Zaporizskyi iron-ore plant”
(2020)Purpose. Substantiation and choice of rational parameters of drilling-and-blasting operations for mine workings construction with the use of emulsion ex-plosives. Methods. The tasks were solved by a complex method, which ... -
Technology for increasing the level of environmental safety of iron ore mines with use of emulsion explosives
(2023)Laboratory and industrial studies have established the total impact of environmentally hazardous substances, taking into account the distance from the source of emissions and the specific consumption of explosives. With ... -
Using the methods to calculate parameters of drilling and blasting operations for emulsion explosives
(2023)Mathematical modelling of rock mass breaking using blasting has been applied to obtain formulas for the calculation of crush zone radii, intensive fragmentation, and crack formation around the charging cavity in the ... -
Підвищення екологічної безпеки при видобутку залізних руд підземним способом
(Видавництво НГУ, 2014)Дисертація присвячена питанням підвищення екологічної безпеки видобутку залізних руд підземним способом для конкретних гірничо-геологічних умов Пів-денно-Білозерського родовища. За результатами фізико-хімічного аналізу та ... -
Руйнування гірських порід шпуровими зарядами ЕВР при проведенні підземних виробок
(Видавництво НГУ, 2015)Дисертація присвячена питанням руйнування гірських порід шпуровими зарядами ЕВР з хімічною газифікацією на основі твердих вуглеводнів в умовах прохідницьких забоїв вугільних шахт, безпечних щодо вибуху газу й займанню ...