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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Lecompte, David
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (17/17 displayed)
- 2024Numerical investigation of bond-slip behaviour between CFRP strips and concrete in shear tests under static and blast loadscitations
- 2024Experimental and Numerical Evaluation of Calcium-Silicate-Based Mineral Foam for Blast Mitigationcitations
- 2024Sacrificial cladding design for blast mitigation using low density crushable core systemscitations
- 2024Near simultaneous multiple fragment impacts on aramid fabrics: Effects of velocity, dispersion and time intervalscitations
- 2023Numerical modeling of brittle mineral foam in a sacrificial cladding under blast loadingcitations
- 2023Experimental evaluation of the ballistic resistance of aramid fabrics under near simultaneous multiple fragment impactscitations
- 2023Blast protection of thin aluminium plates by using mineral foam-core sacrificial cladding
- 2022Numerical Modeling of Brittle Mineral Foam in a Sacrificial Cladding Under Blast Loading
- 2022Finite element modelling of RC slabs retrofitted with CFRP strips under blast loadingcitations
- 2021Experimental study of the bond interaction between CFRP and concrete under blast loadingcitations
- 2019New technique to protect RC slabs against explosions using CFRP as externally bonded reinforcement
- 2019Numerical analysis of debonding between CFRP strips and concrete in shear tests under static and blast loads
- 2019Blast mitigation of reinforced concrete hollow core slabs using CFRP as externally bonded reinforcement
- 2019Blast response of retrofitted reinforced concrete hollow core slabs under a close distance explosioncitations
- 2018Blast response of RC slabs with externally bonded reinforcement : experimental and analytical verificationcitations
- 2014Identification of the plastic behavior of aluminum plates under free air explosions using inverse methods and full-field measurements
- 2008Biaxial testing of fibre reinforced composite laminates
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article
Finite element modelling of RC slabs retrofitted with CFRP strips under blast loading
Abstract
This paper presents nonlinear finite element (FE) simulations to predict the structural behavior of simply supported reinforced concrete (RC) slabs retrofitted with carbon fiber reinforced polymer (CFRP) as externally bonded reinforcement (EBR) and subjected to the blast loads in order to evaluate the effectiveness of using the CFRP strips as EBR for blast protection. The objective of this paper is to develop detailed numerical models in order to predict the blast response of non-retrofitted and retrofitted RC slabs during the inbound and rebound phases. A plastic material model including the strain rate effects of the material and able to predict the cracks is used to model the concrete. An elasto-plastic material model and an elastic material model are used to model the steel reinforcement and the CFRP strips, respectively. The bond interface between concrete and CFRP strip is simulated using a special contact algorithm including the strain rate effect at the interface between concrete and CFRP strip with failure criteria. The numerical results are validated by experimental tests. The maximum deflections, crack distribution and strain evolution in the steel reinforcement and in the CFRP strips found by the numerical analysis are in good agreement with the experiments. The concrete material model gives a good prediction of the blast response of the RC slab with and without EBR. Increasing the amount of the CFRP strip reduces the maximum deflection at the mid span of the slabs and the strain distribution in the steel reinforcement and in the CFRP strip. Parametric studies with respect to CFRP width and CFRP thickness are performed in order<br/>to evaluate the effects on the blast response of the RC slabs.