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- W4387145469 abstract "In the research field of projectile penetration into reinforced concrete, the penetration depth discreteness generally exists in experiments and empirical formulas, and the difference of impact positions is one of the main reasons for this discreteness. To explore the penetration depth discreteness caused by the impact position difference and reveal its mechanism, the finite element models of 3 typical impact positions were established with reference to a published penetration test. The main reasons for the differences in the penetration processes of 3 typical impact positions were compared and analyzed. Based on the numerical calculation results, the expression characterizing the discreteness of penetration depth was summarized. The results show that, the penetration depth of the projectile impacting reinforced concrete is a range value. The expression was preliminarily verified. The main factors causing the penetration depth discreteness are the number of rebars hit by the projectile and the duration of contact with steel bars. This discreteness decreases with the ratio of the projectile diameter to the mesh size of rebars." @default.
- W4387145469 created "2023-09-29" @default.
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- W4387145469 date "2023-01-01" @default.
- W4387145469 modified "2023-10-18" @default.
- W4387145469 title "Influences of Impact Points on the Penetration Depth of Reinforced Concrete" @default.
- W4387145469 doi "https://doi.org/10.21656/1000-0887.440016" @default.
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