Implicit and Explicit Analysis of the Response of Blast Loaded Reinforced Concrete Slabs

Kamel S. Kandil; Mouhamad T. Nemir; Ehab A. Ellobody; Ramy I. Shahin

doi:10.4236/wjet.2014.23023

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WJET> Vol.2 No.3, August 2014

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Implicit and Explicit Analysis of the Response of Blast Loaded Reinforced Concrete Slabs

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DOI: 10.4236/wjet.2014.23023 3,467 Downloads 4,365 Views Citations

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Kamel S. Kandil, Mouhamad T. Nemir, Ehab A. Ellobody, Ramy I. Shahin

Affiliation(s)

Department of Civil Engineering, Faculty of Engineering, Menoufiya University, Shibin El Kom, Egypt.
Department of Structural Engineering, Faculty of Engineering, Tanta University, Tanta, Egypt.

ABSTRACT

Implicit and explicit analyses were examined with experimental work done by Razaqpur et al. In the experiment work, two 1000 × 1000 × 70 mm reinforced concrete slabs were constructed. The slabs were subjected to blast loads generated by the detonation of either 22.4 kg or 33.4 kg of ANFO located at a 3.0 m standoff. Blast wave characteristics, including incident and reflected pressures and reflected impulses were measured. The slabs were modeled by implicit and explicit analysis to study their behavior under blast load to compare their predicted and observed behavior. The post-blast damage and mode of failure of each slab were observed. It was concluded that explicit analysis provides better modeling than implicit analysis.

KEYWORDS

Implicit Analysis, Explicit Analysis, Strain Rate, Blast Load, Ansys, Ls-Dyna, Scaled Distance

Conflicts of Interest

The authors declare no conflicts of interest.

Cite this paper

Kandil, K. , Nemir, M. , Ellobody, E. and Shahin, R. (2014) Implicit and Explicit Analysis of the Response of Blast Loaded Reinforced Concrete Slabs. World Journal of Engineering and Technology, 2, 211-221. doi: 10.4236/wjet.2014.23023.

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