Maleev Ye. V. An effect of borehole charge design on the spread of dust and gas clouds at massive blasting

Geoteh. meh. 2015, 125, 36-46

AN EFFECT OF BOREHOLE CHARGE DESIGN ON THE SPREAD OF DUST AND GAS CLOUDS AT MASSIVE BLASTING

1Maleev Ye. V.
1IGTM NAS of Ukraine

UDC 622.235.523:622.271

Abstract. The article describes key environmental problems of mining operations in the Kalchikskiy quarry in conditions of reduced sanitary protection zone. Content of harmful impurities in the air was calculated by the program EOL-Plus, and basing on the results it was revealed that massive blasts in the quarries presented the most environmentally hazardous technological processes with release of harmful substances. The borehole charge designs and their impact on decrease of concentration and intensity of polluting substance emissions at the massive blasts in the quarry are substantiated in the article with taking into account weather conditions. Basing on the findings, a design of borehole charges with water interval was proposed which would reduce amount of emissions and area of their distribution in this quarry.
Keywords: Keywords: sanitary-protective zone; design of borehole charges; concentration of harmful substances; massive blast.

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 About the author:

Maleiev Yevhenii Vladimirovich, Master of Sciences, Engineer in Department of Geomechanics of Mineral Opencast Mining Technology, M.S. Polyakov Institute of Geotechnical Mechanics under the National Academy of Sciences of Ukraine (IGTM, NASU), Dnepropetrovsk, Ukraine, This email address is being protected from spambots. You need JavaScript enabled to view it.