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Volume 34 Issue 1
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Chinese Journal of High Pressure Physics  > 2020  >  34(1): 014201.
SU Huaxiang, YI Weijian. Numerical Simulation Analysis of Impact Resistance of Reinforced Concrete Wall[J]. Chinese Journal of High Pressure Physics, 2020, 34(1): 014201. doi: 10.11858/gywlxb.20190772
Citation: SU Huaxiang, YI Weijian. Numerical Simulation Analysis of Impact Resistance of Reinforced Concrete Wall[J]. Chinese Journal of High Pressure Physics, 2020, 34(1): 014201. doi: 10.11858/gywlxb.20190772
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Numerical Simulation Analysis of Impact Resistance of Reinforced Concrete Wall

doi: 10.11858/gywlxb.20190772

  • College of Civil Engineering, Hunan University, Changsha 410082, Hunan, China

  • Received Date: 09 May 2019
  • Rev Recd Date: 22 May 2019
  • Publish Date: 25 Nov 2019
    Abstract
  • In order to study the dynamic response of reinforced concrete wall under impact load, a finite element model of reinforced concrete wall is established by means of ANSYS/LS-DYNA. The impact mass is 2 t and the impact velocity is 3 m/s. The effects of axial compression ratio, wall width and boundary elements on the impact resistance of reinforced concrete walls are analyzed. On this basis, the three stages of wall failure under extreme loading conditions are analyzed, and a criterion of evaluating wall failure under extreme loading is proposed. The influence of axial compression ratio, wall width and boundary elements under extreme loading is analyzed by using the proposed criterion. The results show that, in a certain range, with the increase of the axial compression ratio, the impact resistance of the wall is improved, and the damage area of the wall with axial compression is concentrated. Increasing the wall width and adding edge components can effectively enhance the impact resistance of the wall. Under the ultimate load. When the impact mass is constant, the impact energy required for structural failure decreases with the increasing axial compression ratio.

     

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