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Journal of Projectiles, Rockets, Missiles and Guidance >

2025 , Vol. 45 >Issue 6: 1065 - 1073

DOI: https://doi.org/10.15892/j.cnki.djzdxb.2025.06.014

Academic article

Comparative Study of Experimental Simulation of Pointed Ovoid Alloy Steel Projectile Penetration into Plain/Reinforced Concrete

  • XUE Yingjie , 1, 2 ,
  • FU Jianping 1 ,
  • YANG Rui , 2, * ,
  • WANG Junfeng 3 ,
  • ZHANG Ruigang 4 ,
  • SUN Huajie 1, 2 ,
  • CHEN Zhigang 1
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  • 1 Intelligent Weapon Research Institute,North University of China,Taiyuan 030051,Shanxi,China
  • 2 School of Mechanical and Electrical Engineering,North University of China,Taiyuan 030051,Shanxi,China
  • 3 Xi’an North Huashan Electromechanical Co.,Ltd,Xi’an 710043,Shaanxi,China
  • 4 Jinxi Industries Group Co.,Ltd,Taiyuan 030027,Shanxi,China

Received date: 2024-10-15

  Online published: 2026-01-24

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Abstract

In order to study the difference between the projectile penetration of plain/reinforced concrete at higher speeds,a 125mm smoothbore gun was used as a launching platform,and a pointed ovoid projectile with a tapered variable wall thickness expanding tail was used to penetrate C35 concrete at a speed of 1200~1500m/s. The results showed that the inclusion of steel reinforcement doubled the erosion coefficient and had a significant effect on the mass loss of the two target slabs. According to the test results,the comparison of the mass loss and kinetic energy of the projectile penetrating two kinds of target plates shows that the addition of steel reinforcement doubles the erosion coefficient,which has a significant effect on the mass loss of the projectile. The existing formula applicable to this speed is fitted to the test data,showing that the formula can more accurately calculate the depth of penetration of the projectile at different speeds,but the speed and the depth of penetration only show a single linear relationship,which cannot show the phenomenon of increasing speed and decreasing depth of penetration in the test,and it is not possible to predict the limiting speed of penetration of the projectile. Through the simulation of the test reproduction of the bullet tail into the target moment after the corresponding partition of the cavity expansion and the projectile with the angle of attack and angle of penetration of the two kinds of target plate simulation,found that the projectile in the penetration of the reinforced concrete target plate when the transverse overload is reduced,the trajectory deflection is weakened.

Key words： plain concrete; reinforced concrete; high speed penetration; penetration test; dynamic cavity-expansion theory

Cite this article

XUE Yingjie , FU Jianping , YANG Rui , WANG Junfeng , ZHANG Ruigang , SUN Huajie , CHEN Zhigang . Comparative Study of Experimental Simulation of Pointed Ovoid Alloy Steel Projectile Penetration into Plain/Reinforced Concrete[J]. Journal of Projectiles, Rockets, Missiles and Guidance, 2025 , 45(6) : 1065 -1073 . DOI: 10.15892/j.cnki.djzdxb.2025.06.014

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