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Nowadays, ammonium nitrate-fuel oil (ANFO) is the most often used explosive in mining industry. Its advantages are: simple production, low price and practically lack of sensitivity to mechanical impacts during mechanical loading to shot-holes. ANFO has also some disadvantages: lack of waterproofness and low detonation parameters which reduce their range of use to dry blasting holes in low compactness rock masses. This paper presents the results of measurements of detonation parameters for aluminized ANFO with different amount of metallic powder. The experiment included application of faked aluminum into granulated ammonium nitrate(V) (type "Extra" - YARA company) with an addition of oil FLEX 401. Positive effects of aluminum powder content on the decrease of concentration of toxic gases in detonation products, and on the blast wave performance and the work ability of ANFO/Al are also discussed.
Rocznik
Tom
Strony
279--292
Opis fizyczny
Bibliogr. 9 poz.
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autor
autor
autor
autor
autor
autor
autor
- Military University of Technology, Kaliskiego 2, 00-908 Warsaw, Poland, amaranda@wat.edu.pl
Bibliografia
- [1] Аniskin АI., Detonation aluminized of ANFO, in: Detonation and shock waves, Izd. IChPh АN SSSR, Chernogolovka, 1986 (in Russian).
- [2] Cook M.A., The Science of Industrial Explosives, Graphic Service and Supply, Salt Lake City, 1974.
- [3] Demidjiuk G.D., Viktorov S.D., Zakalinskij W.M., Increasing Blasting Works Efficiency on the Basis of the Simpliest Mechanical and ANFO Containing Water, Vzryvnoe Delo, 1985, 87(44), 133-140 (in Russian).
- [4] Gałęzowski D., Maranda A., Nowaczewski J., Papliński A., Study on Detonation Parameters for Aluminized ANFO Containing Ammonium Saltpetre of high Oil Absorption, Górnictwo Odkrywkowe, 2000, 42(5-6), 115-126 (in Polish).
- [5] Gołąbek B., Kasperski J., Maranda A., Papliński A., Paszula J., Analysis of Blast Wave Parameters Generated by Mining Explosives, Evidence Underground Exploitation School 2003, Szczyrk 17-21.02.2003, 58th Symposium and Conference, Cracow 2003, 111-120 (in Polish).
- [6] Held M., New Diagnostic Techniques in Blast Wave, New Trends Res. Energ. Mater., Proc. Semin., 9th, Univ. Pardubice, April 19-21 2006, 16-41.
- [7] Maranda A., Wiśniewski W., Research on the Influence of Aluminum Dust Additives on Detonation Parameters of ANFO Containing Ammonium Saltpetre of Low Porosity, Górnictwo Odkrywkowe, 1999, 41(4-5), 123-131 (in Polish).
- [8] Mason Ch.N., Montgomery W.C., Aluminium Additives Impart Energy and Sensitivity to Many Explosives, Engineering and Mining Journal, 1976, 6, 83-85.
- [9] Paszula J., Maranda A., Gołąbek B., Kasperski J., Research on Overpressure Blast Waves Generated by Emulsive Explosives of Type LWC, 43rd Conf. Scientific and Engineering, Safety of blasting works in mining industry, Jelenia Góra 9-11.10., 2002, 105-113 (in Polish).
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Bibliografia
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bwmeta1.element.baztech-article-BAT1-0040-0024