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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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Grondin, Frederic
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (6/6 displayed)
- 2024An implicit consideration of fluid flow in the calculation of drying shrinkage of porous materials: Case of saturated concrete in low humidity environmentcitations
- 2016Mechanical regains due to self-healing in cementitious materials: Experimental measurements and micro-mechanical modelcitations
- 2016Monitoring of autogenous crack healing in cementitious materials by the nonlinear modulation of ultrasonic coda waves, 3D microscopy and X-ray microtomographycitations
- 2014Small crack detection in cementitious materials using nonlinear coda wave modulationcitations
- 2013Fracture energy of concrete at very early ages by inverse analysis
- 2007Multi-scales modelling for the behaviour of damaged concretecitations
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conferencepaper
Fracture energy of concrete at very early ages by inverse analysis
Abstract
International audience ; In this paper, the fracture characteristics of concrete at very early ages are investigated. Experimentally , three point bending tests are performed on notched beams at very early-ages (before 24 h) and the Load-CMOD curves are obtained. In order to find the trend of the evolution of the fracture energy, an inverse analysis procedure is developed. A damage model based on an energetic regular-ization is combined with a non linear inverse analysis algorithm. As the stress-strain curve (and the stress-crack opening one) given by the damage model is non linear, the Levenberg-Marquardt algorithm is chosen. Results obtained from numerical simulations show that fracture energy of concrete increases with age.