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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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Vantomme, Johnny
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Topics
Publications (29/29 displayed)
- 2015Finite element modelling of the biaxial behaviour of high-performance fibre-reinforced cement composites (HPFRCC) using Concrete Damaged Plasticity
- 2015Numerical and experimental study of Polyurethane foam used as core material in sacrificial cladding for blast mitigation
- 2015Detection and evaluation of cracks in the concrete buffer of the Belgian Nuclear Waste container using combined NDT techniques
- 2015Effective combination of DIC, AE, and UPV nondestructive techniques on a scaled model of the Belgian nuclear waste containercitations
- 2015Explosive driven shock tube loading of aluminium plates: experimental studycitations
- 2014Experimental bond behaviour between Textile Reinforced Cement and Concrete
- 2014Digital Image Correlation, Acoustic Emission and Ultrasonic Pulse Velocity for the Detection of Cracks in the Concrete Buffer of the Belgian Nuclear Supercontainer
- 2014Numerical Simulation Of The Bond Behaviour Between High-Performance Textile Reinforced Cement Composites And Concrete During The Double-Lap Shear Test
- 2012Influence of strain rate on tensile behavior of cementitious composites
- 2012Influence of strain rate on tensile behavior of cementitious composites: increasing speed in a static test
- 2010Comparative study of the quasi-static energy absorption of small-scale composite tubes with different geometrical shapes for use in sacrificial cladding structures
- 2009Experimental and numerical study of pultruded composite tubes under blast loading
- 2004Construction and Experimental analysis of a Pedestrian Bridge with Concrete Deck and IPC Truss Girdercitations
- 2003Design and Experimental Analysis of Modular Pedestrian Bridge with Concrete Deck and IPC Truss Girder
- 2003Numerical Design and Experimental Validation for a composite Bridge Structure
- 2003DIC for Deformation Assessment: a Case Study
- 2003Design, Numerical Analysis and Experimental Verification of an IPC Pedestrian Bridge
- 2002Deformation Analysis of a Modular Connection System by Digital Image Correlationcitations
- 20023D Numerical Analysis of Modular Pedestrian Bridge with Concrete Deck and IPC Truss Girder
- 2001Study of Bolted Joints in Sandwich elements with Cementitious Composite Faces for Civil Engineering Applications
- 2001Design Procedure and Validation tests for a Composite-Concrete Pedestrian Bridge Prototype
- 2001Stress computation methods for hybrid inorganic phosphate cement-concrete cross-section
- 2001Stress computation methods for hybrid inorganic phosphate cement–concrete cross-section
- 2001Behaviour of Sandwich Panels with E-glass Fibre Reinforced Cementitious Faces under Repeated Loading
- 2001Testing of a Dowel Connection for a Bridge with a Concrete Deck and a Sandwich Panel Truss Structure
- 2000A new non-alkaline Cement Material Reinforced by Glass Fibres (IPC) for the Construction of Bridges
- 2000Stress Computation Methods for Hybrid IPC-Concrete Bridge Cross Section
- 2000The use of a new cementitious glass fibre reinforced composite in sandwich structures for building applications
- 2000Modelling of a Modular Pedestrian Bridge composed of a Concrete Deck and a Truss Girder with IPC Sandwich Panels
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document
Numerical and experimental study of Polyurethane foam used as core material in sacrificial cladding for blast mitigation
Abstract
The increase of the number of intentional and accidental explosions nowadays, explains the interest in the development of suitable blast mitigation systems. One technique uses sacrificial cladding (SC) which is composed of polyurethane (PU) core and two thin metallic sheets. For numerical prediction of the effectiveness of SC for blast mitigation, the dynamic material response is needed. Different material models are available in finite element software, such as for example in LS-DYNA. The present paper focuses on an experimental study of the dynamic behaviour of PU under blast loading and on a comparison of the results of numerical blast mitigation predictions.<br/>Dynamic material response of PU subjected to blast loading is investigated; the effect of strain rate is studied. An Explosive Driven Shock Tube (square section) is used to produce given pressure-impulse combinations. By means of a high speed camera and a load cell sensor, the stress-strain curve is obtained during the loading process for several strain rates. Numerical analysis is also performed with the Fu Chang foam model (MAT_083) which is available on the finite element software LS-DYNA. The numerical model is validated with the experimental results. The spatial distribution of the reflected pressure on the front plate should be taken into account. An enhancement of the transmitted stress to the main structure is observed in some critical combinations (front plate and PU). An adequate SC configuration can be identified using the obtained numerical model.