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Volume 31 Issue 2
Apr 2017
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Chinese Journal of High Pressure Physics  > 2017  >  31(2): 114-124.
SHANG Bing, WANG Tong-Tong. Numerical Study of Inertial Effects of Concrete-Like Materials in Split Hopkinson Pressure Bar Tests[J]. Chinese Journal of High Pressure Physics, 2017, 31(2): 114-124. doi: 10.11858/gywlxb.2017.02.003
Citation: SHANG Bing, WANG Tong-Tong. Numerical Study of Inertial Effects of Concrete-Like Materials in Split Hopkinson Pressure Bar Tests[J]. Chinese Journal of High Pressure Physics, 2017, 31(2): 114-124. doi: 10.11858/gywlxb.2017.02.003
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Numerical Study of Inertial Effects of Concrete-Like Materials in Split Hopkinson Pressure Bar Tests

doi: 10.11858/gywlxb.2017.02.003
  • 1.

    School of Harbor Engineering, Guangzhou Maritime University, Guangzhou 510725, China

  • 2.

    Department of Basic Courses, Guangzhou Maritime University, Guangzhou 510725, China

Funds:  Innovative School Foundation of Guangzhou Maritime University
More Information
  • Author Bio:

    SHANG Bing(1979—), male, doctor, lecturer, major in impact mechanics.E-mail:shang@mail.ustc.edu.cn

  • Received Date: 17 Jan 2016
  • Rev Recd Date: 13 Mar 2016
    Abstract
  • The split Hopkinson pressure bar (SHPB) technique has been widely used to measure the dynamic strength enhancement of concrete-like materials at high strain rates ranging from 10 to 103 s-1.In this research, computational simulation models were employed to obtain a better understanding of this technique.The constitutive models of J2 and the linear Drucker-Prager were employed to study the axial and lateral inertial effects on SHPB test.The results show that the axial inertia does not affect the DIF (dynamic increase factor) and the lateral inertia confinement is not the most important factor that causes an apparent increase of the DIF for concrete and concrete-like materials at high strain rates.

     

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