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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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Yehia, Sherif
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (11/11 displayed)
- 2024Mechanical, electrical and self-healing properties of carbon fibre-reinforced ultra-lightweight ECCcitations
- 2023Development and evaluation of conductive ultra-lightweight cementitious composites for smart and sustainable infrastructure applicationscitations
- 2023First principles and mean field study on the magnetocaloric effect of YFe3 and HoFe3 compoundscitations
- 2023Shear performance of lightweight SCC composite beam internally reinforced with CFRP laminate stirrups and GFRP barscitations
- 2023Self-Consolidated Concrete-to-Conductive Concrete Interfacecitations
- 2023Shear strengthening performance of fiber reinforced lightweight SCC beamscitations
- 2022DEVELOPMENT OF HIGH STRENGTH CONCRETE WITH FINE MATERIALS LOCALLY AVAILABLE IN UAE
- 2022Performance of Different Concrete Types Exposed to Elevated Temperaturescitations
- 2022Effects of aggregate type, aggregate pretreatment method, supplementary cementitious materials, and macro fibers on fresh and hardened properties of high-strength all-lightweight self-compacting concretecitations
- 2021High strength flowable lightweight concrete incorporating low C3A cement, silica fume, stalite and macro-polyfelin polymer fibrescitations
- 2020Lap splices in confined self-compacting lightweight concretecitations
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article
Mechanical, electrical and self-healing properties of carbon fibre-reinforced ultra-lightweight ECC
Abstract
<p>The hybrid mixes of carbon fibres (CF), fly ash cenosphere and polyethylene fibre could be used to develop smart ultra-lightweight engineered cementitious composites (ULW-ECCs). In this study, the effects of CF length (1, 3, 6, 9, 12, 15, 20 mm) with different volume fractions (0.0, 0.5 and 1.0 vol%) on the fundamental mechanical (compression, tension and flexure) and electrical properties of CF-reinforced ULW-ECCs were evaluated. Pseudo-strain-hardening indices, multiple micro-cracking behaviours and self-healing properties were also tested. The experimental results reveal that, except for the 1 mm particle CF, incorporating CF could improve the strength (compression, tension and flexure) of ULW-ECCs but decrease the strain ductility properties under tension; and CF lengths of 9- and 12-mm show better results. The electrical conductivity of ULW-ECCs was improved by CF, and the higher dosage further increased the conductivity. The conductivity increased first and then decreased with the increase in CF length and the 9 mm CF (1.0 vol%) shows higher conductivity. The conductive network was affected by the volume fraction, length, count under the same content, and possible fracture of CF. Long CFs work well at low content in forming conductive networks, while short CFs are more effective at high content. The conductivity decreased with the increase of curing age and reached a constant value after 90 d. Incorporating CF and increasing its length/content negatively impacted crack number and width. CF-reinforced ULW-ECCs exhibit excellent self-healing, with reduced ability as wet-dry cycles and curing age increase.</p>