Volume 36 Issue 2
Apr 2022
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CAO Yuhang, ZHANG Xiaowei, ZHANG Qingming. Failure Characteristics of Masonry Wall under Internal Explosion[J]. Chinese Journal of High Pressure Physics, 2022, 36(2): 024203. doi: 10.11858/gywlxb.20210810
Citation: CAO Yuhang, ZHANG Xiaowei, ZHANG Qingming. Failure Characteristics of Masonry Wall under Internal Explosion[J]. Chinese Journal of High Pressure Physics, 2022, 36(2): 024203. doi: 10.11858/gywlxb.20210810

Failure Characteristics of Masonry Wall under Internal Explosion

doi: 10.11858/gywlxb.20210810
  • Received Date: 10 Jun 2021
  • Rev Recd Date: 07 Jul 2021
  • In order to investigate the internal explosion damage effect of reinforced concrete frame-masonry wall, the dynamic response and failure characteristics of masonry walls under internal explosion were studied. Based on numerical simulation and theoretical analysis, the failure mechanism and failure transformation process of masonry wall under internal explosion with different TNT equivalence were analyzed. The results showed that under internal explosive with small mass of explosive, the failure of the masonry wall is mainly due to bending effect. With the increase of the mass of explosive, the failure dominated by shear deformation will happen due to the reflection of the first shock wave. For the cases with larger mass of explosive, compressive failure occurs because the overpressure of the first shock wave reaches the ultimate compressive strength of masonry wall. The research results can provide technical reference for explosive damage evaluation and protection design of masonry wall structures.

     

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