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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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Silva, Mag
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Topics
Publications (17/17 displayed)
- 2019Bond durability of CFRP laminates-to-steel joints subjected to freeze-thawcitations
- 2017Aging of some GFRP-concrete joints under external pressure
- 2017Bond characteristics of CFRP-to-steel jointscitations
- 2016Influence of External Compressive Stresses on the Performance of GFRP-to-Concrete Interfaces Subjected to Aggressive Environments: An Experimental Analysiscitations
- 2015Factors influencing the performance of externally bonded reinforcement systems of GFRP-to-concrete interfacescitations
- 2015Bond-slip model for FRP-to-concrete bonded joints under external compressioncitations
- 2014An experimental study of GFRP-to-concrete interfaces submitted to humidity cyclescitations
- 2014Composites and FRP-Strengthened Beams Subjected to Dry/Wet and Salt Fog Cyclescitations
- 2014On estimates of durability of FRP based on accelerated testscitations
- 2013Bond-slip on CFRP/GFRP-to-concrete joints subjected to moisture, salt fog and temperature cyclescitations
- 2013Modelling GFRP-to-concrete joints with interface finite elements with rupture based on the Mohr-Coulomb criterioncitations
- 2013A smeared crack analysis of reinforced concrete T-beams strengthened with GFRP compositescitations
- 2013Nonlinear numerical analysis of the debonding failure process of FRP-to-concrete interfacescitations
- 2012Double shear tests to evaluate the bond strength between GFRP/concrete elementscitations
- 2010Effects of exposure to saline humidity on bond between GFRP and concretecitations
- 2010Monotonic axial behavior and modelling of RC circular columns confined with CFRPcitations
- 2006Size and relative stiffness effects on compressive failure of concrete columns wrapped with glass FRPcitations
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article
Bond durability of CFRP laminates-to-steel joints subjected to freeze-thaw
Abstract
The degradation mechanisms of bonded joints between CFRP laminates and steel substrates under severe environmental conditions require more durability data and studies to increase the database and better understand their causes. Studies on bond properties of double-strap CFRP-to-steel bonded joints with two different composite materials as well as adhesive coupons subjected to freeze-thaw cycles for 10,000 h were conducted to reduce that gap. In addition, the equivalent to the number of thermal cycles and their slips induced in the CFRP laminates was replicated by an equivalent (mechanical) loading-unloading history condition imposed by a static tensile machine. The mechanical properties of the adhesive coupons and the strength capacity of the bonded joints were only slightly changed by the artificial aging. It was confirmed that the interfacial bond strength between CFRP and adhesive is critically related to the maximum shear stress and failure mode. The interfacial bond strength between adhesive and steel degraded with the aging. However, the equivalent thermal cyclic bond stress caused no detectable damage on the bond because only the interfacial elastic regime was actually mobilized, which confirmed that pure thermal cycles aging, per se, at the level imposed, have a low impact on the degradation of CFRP-to-steel bonded joints.