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A Study on the Anti-penetration Properties of a Biomimetic Hexagonal Honeycomb Shelter

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Abstract

Based on an analysis of the strengthening and toughening mechanisms of natural composites (shells and pearls) and the biomimetic principle, a new type of hexagonal honeycomb shelter was designed using concrete-filled steel tubes. Experiments were conducted to investigate the anti-penetration properties of the honeycomb shelter. The experimental results showed that in contrast to a reinforced concrete shelter, damage from an impacting projectile only occurred within a single hexagonal unit of the honeycomb shelter; in addition, the damaged area on the honeycomb shelter was relatively small. Furthermore, the projectile tended to yaw when it penetrated the honeycomb shelter. The results of the experiments on the honeycomb shelter were also analyzed in terms of stress wave propagation, which was examined using a numerical simulation. The analysis showed that due to the restriction and obstruction effects of the hexagonal steel tubes on the concrete within the steel tubes, the resistance on the projectile increased during the penetration process, which reduced the damage caused by the projectile. The experimental results and analysis showed that a honeycomb shelter composed of concrete-filled steel tube components exhibits relatively good anti-penetration properties.

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Authors and Affiliations

  1. Logistic Engineering University, Chongqing, 401311, China

    Qi-Fan Wang, Shao-Qing Shi, Zhao-Jun Chu & Jian-Hu Sun

  2. Chongqing key Laboratory of Geomechanics and Geoenvironment Protection, Logistic Engineering University, Chongqing, 401311, China

    Qi-Fan Wang & Shao-Qing Shi

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  1. Qi-Fan Wang
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  2. Shao-Qing Shi
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  3. Zhao-Jun Chu
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  4. Jian-Hu Sun
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Correspondence to Qi-Fan Wang.

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Wang, QF., Shi, SQ., Chu, ZJ. et al. A Study on the Anti-penetration Properties of a Biomimetic Hexagonal Honeycomb Shelter. Arab J Sci Eng 41, 4161–4170 (2016). https://doi.org/10.1007/s13369-016-2103-9

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  • DOI: https://doi.org/10.1007/s13369-016-2103-9

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