| People | Locations | Statistics |
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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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Belkassem, Bachir
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (25/25 displayed)
- 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
- 2023Numerical modeling of brittle mineral foam in a sacrificial cladding under blast loadingcitations
- 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
- 2022Investigation of the Strain Rate Hardening Behaviour of Glass Fibre Reinforced Epoxy Under Blast Loadingcitations
- 2021Experimental study of the bond interaction between CFRP and concrete under blast loadingcitations
- 2020Air-blast loading on empty metallic beverage can used as sacrificial cladding: Experimental, analytical and numerical studycitations
- 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
- 2016Experimental Study of the Effectiveness of Sacrificial Cladding Using Polymeric Foams as Crushable Core with a Simply Supported Steel Beamcitations
- 2015Numerical and experimental study of Polyurethane foam used as core material in sacrificial cladding for blast mitigation
- 2015Explosive driven shock tube loading of aluminium plates: experimental studycitations
- 2012Determination of linear thermal expansion coefficient by using digital image correlation
- 2011Determination of Linear thermal expansion coefficient by using digital image correlation
- 2010Shrinkage measurement of a textile reinforced composite at high temperature using a non contact method
- 2009Shell Elements Of Architectural Concrete Using Fabric Formwork – Part B: Case Study
- 2009Study of the crack propagation in carbon reinforced concrete beams during a four-point bending test
- 2008The Influence of Biaxial Stress States on the Stiffness of Glass Textile Reinforced Cementitious Composites
- 2008IMPACT RESISTANCE OF LOAD BEARING SANDWICH ELEMENTS WITH TEXTILE REINFORCED CONCRETE FACES
- 2008PROCESSING TECHNIQUE TO IMPREGNATE GLASS FIBRE MATS FOR TEXTILE REINFORCED CEMENTITIOUS COMPOSITES
Places of action
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article
Blast response of retrofitted reinforced concrete hollow core slabs under a close distance explosion
Abstract
This article discusses the blast response of reinforced concrete hollow core slabs (RCHCS) with a topping layer subjected to a close distance explosion and investigates the efficiency of carbon fiber reinforced polymer (CFRP) as externally bonded reinforcement (EBR) in order to improve the blast resistance of the slabs. Three simply supported RCHCS with a topping layer are subjected to an explosion of 1.5 kg of C4 suspended at mid-span, underneath the slabs at a standoff distance of 0.5 m. One of the slabs is used as a reference specimen and the two remaining ones are retrofitted with different amounts of CFRP. A numerical analysis is also carried out using the finite element (FE) software LS-DYNA to complement the experimental results of the blast campaign. The results indicate that bonding CFRP strips on the surface opposite to the explosion is an effective way to reduce the mid-span deflections and to limit the damage levels in the slabs. A reduction of 16% and 30% in the maximum deflection is recorded for the RCHCS retrofitted with 2 strips and 4 strips, respectively. Longitudinal cracks between the voids are observed on the lateral sides of the slabs due to the propagation of the blast wave through the concrete. These longitudinal cracks, extending with a vertical crack, trigger local debonding between the CFRP strips and the concrete during the explosion. Maximum deflections and crack distribution predicted by the numerical analysis are in a good agreement with the experimental results.