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Volume 36 Issue 2
Apr 2022
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Chinese Journal of High Pressure Physics  > 2022  >  36(2): 024206.
LI Mengshen, GE Tao, CHENG Wenpin, PEI Guoqing. A Comparative Study on the Finite Element Models for Projectiles Perforation into Reinforced Concrete Slabs[J]. Chinese Journal of High Pressure Physics, 2022, 36(2): 024206. doi: 10.11858/gywlxb.20210816
Citation: LI Mengshen, GE Tao, CHENG Wenpin, PEI Guoqing. A Comparative Study on the Finite Element Models for Projectiles Perforation into Reinforced Concrete Slabs[J]. Chinese Journal of High Pressure Physics, 2022, 36(2): 024206. doi: 10.11858/gywlxb.20210816
shu

A Comparative Study on the Finite Element Models for Projectiles Perforation into Reinforced Concrete Slabs

doi: 10.11858/gywlxb.20210816
  • 1.

    School of Materials Science and Engineering, Chang’an University, Xi’an 710061, Shaanxi, China

  • 2.

    Aeronautical Engineering College, Air Force Engineering University, Xi’an 710038, Shaanxi, China

  • 3.

    The Forth Subordinate Audit Centre, Military Commission Auditing Administration, Beijing 100009, China

  • 4.

    Guangzhou Engineering Design Office, Air Force Academy, Guangzhou 510052, Guangdong, China

  • Received Date: 18 Jun 2021
  • Rev Recd Date: 09 Aug 2021
  • Accepted Date: 30 Sep 2022
    Abstract
  • In order to study the rebar effect on perforation into concrete targets, the equivalent mixture model of reinforced concrete is established based on the mixture theory. Meanwhile, the model of steel equivalent to steel plate and the plain concrete slab model are given. The residual velocities, the pressure fields and perforation processes for the two models are compared. The results show that the equivalent reinforced concrete mixture model based on mixture theory can better reflect the rebar effect during the penetration, which can not only meet the calculation accuracy, but also simplify the modeling process and improve the calculation efficiency. It is an effective simplified method for numerical analysis of penetration. The distribution of rebar near the free surface of reinforced concrete slab can improve the resistance of target to projectile, but its role is limited.

     

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