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Comparative Analysis of the Resistance of Rocky Soil Barriers to Penetration by Strikers with Conical and Ogival Noses

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Journal of Engineering Physics and Thermophysics Aims and scope

Based on the local interaction theory, a comparative analysis has been made of the force of resistance in penetration of rocky soil barriers by nondeformable strikers with conical and ogival noses. Normal stresses on the surface of the striker nose contacting the barrier were assumed in the form of a quadratic dependence on a striker velocity that is normal to the vector component surface, while tangential stresses were determined on the basis of the dry friction law. In conducting the analysis, use was made of the nose shape coefficients describing the contribution to the total force of resistance by the summands depending on the striker velocity raised to zero, first, and second powers. For strikers with an ogival nose, an assessment was made of a possible influence on the resistance force exerted by the effect of the barrier material separation from the nose surface.

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Authors and Affiliations

  1. N. É. Bauman Moscow State Technical University, 5 2nd Baumanskaya Str., Bldg. 1, Moscow, 105005, Russia

    S. V. Fedorov, V. A. Veldanov, I. A. Bolotina, A. V. Dyukov & T. A. Gushchina

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  1. S. V. Fedorov
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  2. V. A. Veldanov
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  3. I. A. Bolotina
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  4. A. V. Dyukov
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  5. T. A. Gushchina
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Correspondence to S. V. Fedorov.

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Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 96, No. 6, pp. 1650–1662, November–December, 2023

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Fedorov, S.V., Veldanov, V.A., Bolotina, I.A. et al. Comparative Analysis of the Resistance of Rocky Soil Barriers to Penetration by Strikers with Conical and Ogival Noses. J Eng Phys Thermophy 96, 1640–1651 (2023). https://doi.org/10.1007/s10891-023-02834-6

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  • DOI: https://doi.org/10.1007/s10891-023-02834-6

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