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Effect of Confinement on Detonation Velocity and Plate Dent Test Results for ANFO Explosive

Author

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  • Vječislav Bohanek

    (Faculty of Mining, Geology and Petroleum Engineering, University of Zagreb, 10000 Zagreb, Croatia)

  • Muhamed Sućeska

    (Faculty of Mining, Geology and Petroleum Engineering, University of Zagreb, 10000 Zagreb, Croatia)

  • Mario Dobrilović

    (Faculty of Mining, Geology and Petroleum Engineering, University of Zagreb, 10000 Zagreb, Croatia)

  • Philipp Hartlieb

    (Mining Engineering and Mineral Economics, Montanuniversitaet Leoben, 8700 Leoben, Austria)

Abstract

The detonation properties of nonideal explosives are highly dependent on charge diameter and existence and properties of confinement. In this study, the effect of different confinements on the detonation velocity of ANFO explosives was experimentally determined along with the results of the plate dent test. ANFO explosive was selected as one of the most commonly used nonideal explosives. Following the measurement results, we found that the detonation velocity increased with increasing wall thickness, and the velocity increase was different for different confinement materials. A strong correlation existed between the ratio of the mass of confiner and explosive ( M / C ) and the detonation velocity (R = 0.995), and between ( M / C ) and the depth of the dent ( δ ) (R = 0.975). The data presented in this paper represent preliminary findings in developing a confinement model required for reliable numerical modeling of nonideal explosives.

Suggested Citation

  • Vječislav Bohanek & Muhamed Sućeska & Mario Dobrilović & Philipp Hartlieb, 2022. "Effect of Confinement on Detonation Velocity and Plate Dent Test Results for ANFO Explosive," Energies, MDPI, vol. 15(12), pages 1-9, June.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:12:p:4404-:d:840792
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    References listed on IDEAS

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    1. Andrzej Biessikirski & Mateusz Pytlik & Łukasz Kuterasiński & Michał Dworzak & Michał Twardosz & Bogna Daria Napruszewska, 2020. "Influence of the Ammonium Nitrate(V) Porous Prill Assortments and Absorption Index on Ammonium Nitrate Fuel Oil Blasting Properties," Energies, MDPI, vol. 13(15), pages 1-10, July.
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    Cited by:

    1. Vječislav Bohanek & Barbara Štimac Tumara & Chan Hay Yee Serene & Muhamed Sućeska, 2023. "Shock Initiation and Propagation of Detonation in ANFO," Energies, MDPI, vol. 16(4), pages 1-13, February.

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