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Structural Engineering and Mechanics Volume 53, Number 3, February10 2015 , pages 455-479 DOI: https://doi.org/10.12989/sem.2015.53.3.455 |
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Numerical simulation of reinforced concrete slabs under missile impact |
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Duc-Kien Thai and Seung-Eock Kim
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| Abstract | ||
| This paper presents a numerical analysis of reinforced concrete slabs under missile impact loading. The specimen used for the numerical simulation was tested by the Technical Research Center of Finland. LS-DYNA, commercial available software, is used to analyze the model. The structural components of the reinforced concrete slab, missile, and their contacts are fully modeled. Included in the analysis is material nonlinearity considering damage and failure. The results of analysis are then verified with other research results. Parametric studies with different longitudinal rebar ratios, shear bar ratios, and concrete strengths are conducted to investigate their influences on the punching behavior of slabs under the impact of a missile. Finally, efficient designs are recommended. | ||
| Key Words | ||
| missile impact; reinforced concrete slabs; LS-DYNA; dynamic analysis; punching behavior | ||
| Address | ||
| Duc-Kien Thai and Seung-Eock Kim: Department of Civil and Environmental Engineering, Sejong University, 98 Kunja-dong, Kwangjin-ku, Seoul, 143-747, South Korea | ||