Ahmed El Refai

• Centre de recherche sur les infrastructures en béton

Financements des 2 dernières années

• Abdelrahman Alsallamin, Doctorat en génie civil
• Ahmed Sabry Abdelazim Hassan, Doctorat en génie civil
• Osama Hegab, Doctorat en génie civil

Encadrements des 5 dernières années

• Ahmed Mandor, Doctorat en génie civil
• Basma Taie, Maîtrise en génie civil - avec mémoire
• Hazem Essam Zakaria Khalil, Maîtrise en génie civil - avec mémoire
• Omar Aljidda, Doctorat en génie civil
• Sandra Pozzer, Doctorat en génie électrique
• Thi Hang Tran, Stage postdoctoral en génie civil
• Yazan Bassam Abdalkarim Abutahnat, Doctorat en génie civil
• Zhao Chen, Stage postdoctoral en génie civil

Travaux de recherche des 5 dernières années

Innovative UHP-FRCM Systems for Enhanced Flexural Behavior of RC Beams: Addressing Fabric Slippage and Introducing a New Tension Stiffening Model Journal of Composites for Construction, 2026. Yazan Abutahnat, Ahmed El Refai, Luca Sorelli. DOI 10.1061/JCCOF2.CCENG-5382

Behavior of eccentrically loaded RC columns strengthened with FRCM wraps Results in Engineering, 2026. Feras AbuObaida, Tamer El Maaddawy, Farid Abed, Ahmed ElRefai. DOI 10.1016/j.rineng.2025.108561

Eccentrically loaded corroded RC columns repaired with advanced composites: Experimental testing and analytical modeling Composite Structures, 2026. Feras AbuObaida, Tamer El Maaddawy, Farid Abed, Ahmed ElRefai. DOI 10.1016/j.compstruct.2025.119899

Structural behavior of RC beams strengthened with UHPFRC layers incorporating a new tension stiffening factor Engineering Structures, 2026. Yazan Abutahnat, Fahime Sokhangou, Ahmed El Refai, Luca Sorelli. DOI 10.1016/j.engstruct.2025.121896

Shear strengthening of RC beams with fabric-reinforced cementitious matrix: analytical modeling and machine learning approaches Composite Structures, 2025. Osama E. Soliman, Ahmed El Refai, Luca Sorelli. DOI 10.1016/j.compstruct.2025.119595

Rehabilitation of concentric reinforced concrete columns pre-damaged by corrosion using advanced composites Structures, 2025. Feras AbuObaida, Tamer El Maaddawy, Farid Abed, Ahmed ElRefai. DOI 10.1016/j.istruc.2025.109932

FRCM confinement of concrete columns: a review of strength and ductility enhancements Composite Structures, 2025. Zeinah Elnassar, Farid Abed, Ahmed El Refai, Tamer El-Maaddawy. DOI 10.1016/j.compstruct.2025.119389

PBO-FRCM and CFRP strengthened reinforced concrete columns: In fire and post-fire behavior Construction and Building Materials, 2025. Salem Khalaf, Farid Abed, Ahmed El Refai, Yazan Alhoubi, Sanaz Ramzi, Hamzeh Hajiloo. DOI 10.1016/j.conbuildmat.2025.142306

Tensile behavior of fiber-reinforced cementitious matrix with ultra-high-performance hybrid fiber-reinforced concrete (UHP-FRCM) with enhanced crack width control, fracture energy, and ultimate strength Construction and Building Materials, 2025. Yazan Abutahnat, Luca Sorelli, Ahmed El Refai. DOI 10.1016/j.conbuildmat.2025.142430

Integration of thermographic inspection data with BIM for enhanced concrete infrastructure assessment Automation in Construction, 2025. Sandra Pozzer, Gabriel Ramos, Parham Nooralishahi, Ehsan Rezazadeh Azar, Ahmed El Refai, Fernando López, Clemente Ibarra-Castanedo, Xavier Maldague. DOI 10.1016/j.autcon.2025.105965

Enhancing concrete defect segmentation using multimodal data and Siamese Neural Networks Automation in Construction, 2024. Sandra Pozzer, Gabriel Ramos, Ehsan Rezazadeh Azar, Ahmad Osman, Ahmed El Refai, Fernando López, Clemente Ibarra-Castanedo, Xavier Maldague. DOI 10.1016/j.autcon.2024.105594

Flexural strengthening of one-way reinforced concrete slabs using near surface-mounted BFRP bars Engineering Structures, 2024. Aljidda, O., Alnahhal, W., El Refai, A.. DOI 10.1016/j.engstruct.2024.117507

Heat transfer analysis of FRP-strengthened RC columns under fire AIP Conference Proceedings, 2024. Talo, R., Khalaf, S., Abed, F., Alhoubi, Y., Refai, A.E.. DOI 10.1063/5.0194643

A few-shot learning approach for the segmentation of subsurface defects in thermographic images of concrete structures Proceedings of SPIE - The International Society for Optical Engineering, 2024. Pozzer, S., Ramos, G., Azar, E.R., Osman, A., El Refai, A., López, F., Ibarra-Castanedo, C., Maldague, X.. DOI 10.1117/12.3013684

Theoretical investigation of the structural performance of multi–span reinforced concrete beams strengthened with FRCM systems Engineering Structures, 2024. Mandor, A., El Refai, A.. DOI 10.1016/j.engstruct.2024.117994

Experimental and numerical investigation of the flexural behavior of one–way RC slabs strengthened with near–surface mounted and externally bonded systems Construction and Building Materials, 2024. Aljidda, O., El Refai, A., Alnahhal, W.. DOI 10.1016/j.conbuildmat.2024.135709

Passive infrared thermography for subsurface delamination detection in concrete infrastructure: Capabilities Construction and Building Materials, 2024. Pozzer, S., Omidi, Z., El Refai, A., López, F., Ibarra-Castanedo, C., Maldague, X.. DOI 10.1016/j.conbuildmat.2024.135542

Experimental and numerical investigation of two–span RC beams strengthened with fiber–reinforced cementitious matrix (FRCM) Engineering Structures, 2024. Taie, B., Mandor, A., El Refai, A.. DOI 10.1016/j.engstruct.2023.117246

Bond Durability of Near-Surface-Mounted BFRP and GFRP Bars in Aggressive Environments Journal of Composites for Construction, 2023. Omar Aljidda, Wael Alnahhal, Ahmed El Refai. DOI 10.1061/JCCOF2.CCENG-4274

Experimental Investigation of Concrete Cylinders Confined with PBO FRCM Exposed to Elevated Temperatures Fire, 2023. Talo, R., Abed, F., El Refai, A., Alhoubi, Y.. DOI 10.3390/fire6080322

Experimental and analytical investigation on the use of NSM–BFRP and NSM–GFRP bars in strengthening corrosion–damaged RC slabs Composite Structures, 2023. Aljidda, O., El Refai, A., Alnahhal, W.. DOI 10.1016/j.compstruct.2023.117428

Symmetric and Asymmetric Strengthening of Two-Span RC Beams Using FRCM Systems Journal of Composites for Construction, 2023. Mandor, A., El Refai, A.. DOI 10.1061/JCCOF2.CCENG-3975

Experimental investigation of pre-damaged circular RC columns strengthened with fabric-reinforced cementitious matrix (FRCM) Structural Concrete, 2023. Tello, N., Abed, F., ElRefai, A., El-Maaddawy, T., Alhoubi, Y.. DOI 10.1002/suco.202200333

End-to-end processing of passive thermography sequences from outdoor concrete infrastructure inspection Proceedings of SPIE - The International Society for Optical Engineering, 2023. Pozzer, S., Ebrahimi, S., Refai, A.E., López, F., Maldague, X.. DOI 10.1117/12.2664058

Comparative study on the bond performance of near-surface mounted fiber-reinforced polymer bars Construction and Building Materials, 2023. Aljidda, O., El Refai, A., Alnahhal, W.. DOI 10.1016/j.conbuildmat.2022.129923

Passive Infrared Thermography for Subsurface Delamination Detection in Concrete Infrastructure: Capabilities SSRN, 2023. Pozzer, S., Omidi, Z., Refai, A.E., López, F., Ibarra-Castanedo, C., Maldague, X.. DOI 10.2139/ssrn.4511541

Shear performance of basalt fiber-reinforced concrete beams reinforced with BFRP bars Composite Structures, 2022. El Refai, A., Alnahhal, W., Al-Hamrani, A., Hamed, S.. DOI 10.1016/j.compstruct.2022.115443

Flexural response of reinforced concrete continuous beams strengthened with fiber-reinforced cementitious matrix (FRCM) Engineering Structures, 2022. Mandor, A., El Refai, A.. DOI 10.1016/j.engstruct.2021.113557

Fe analysis of frcm strengthened rc columns exposed to fire World Congress in Computational Mechanics and ECCOMAS Congress, 2022. Talo, R., Kyaure, M., Khalaf, S., El Refai, A., Abed, F.. DOI 10.23967/eccomas.2022.120

Strengthening pre-damaged RC square columns with fabric-reinforced cementitious matrix (FRCM): Experimental investigation Composite Structures, 2022. Alhoubi, Y., El Refai, A., Abed, F., El-Maaddawy, T., Tello, N.. DOI 10.1016/j.compstruct.2022.115784

Compressive Behaviour of Glass Fiber-Reinforced Polymer (GFRP) Reinforced Concrete Columns Lecture Notes in Civil Engineering, 2022. Abed, F., El Refai, A., ElMesalami, N.. DOI 10.1007/978-3-030-88166-5_73

Strengthening the hogging and sagging regions in continuous beams with fiber-reinforced cementitious matrix (FRCM): Experimental and analytical investigations Construction and Building Materials, 2022. Mandor, A., El Refai, A.. DOI 10.1016/j.conbuildmat.2022.126341

Bond performance of tensile lap-spliced basalt-FRP reinforcement in high-strength concrete beams Composite Structures, 2022. Eltantawi, I., Alnahhal, W., El Refai, A., Younis, A., Alnuaimi, N., Kahraman, R.. DOI 10.1016/j.compstruct.2021.114987

Strengthening Square and Circular Low-Strength Concrete Columns with Fiber-Reinforced Cementitious Matrix: Experimental Investigation Practice Periodical on Structural Design and Construction, 2022. Abed, F., Elrefai, A., El-Maaddawy, T., Tello, N., Alhoubi, Y.. DOI 10.1061/(ASCE)SC.1943-5576.0000676

Response of concrete columns reinforced with longitudinal and transverse BFRP bars under concentric and eccentric loading Composite Structures, 2021. ElMessalami, N., Abed, F., El Refai, A.. DOI 10.1016/j.compstruct.2020.113057

Circular and square columns strengthened with FRCM under concentric load Composite Structures, 2021. Tello, N., Alhoubi, Y., Abed, F., El Refai, A., El-Maaddawy, T.. DOI 10.1016/j.compstruct.2020.113000

Reliability analysis of strength models for short-concrete columns under concentric loading with FRP rebars through Artificial Neural Network Journal of Building Engineering, 2021. Ahmad, A., Elchalakani, M., Elmesalami, N., El Refai, A., Abed, F.. DOI 10.1016/j.jobe.2021.102497

Assessment and modeling of the debonding failure of fabric-reinforced cementitious matrix (FRCM) systems Composite Structures, 2021. Mandor, A., Refai, A.E.. DOI 10.1016/j.compstruct.2021.114394

Concrete Columns Reinforced with GFRP and BFRP Bars under Concentric and Eccentric Loads: Experimental Testing and Analytical Investigation Journal of Composites for Construction, 2021. Elmesalami, N., Abed, F., Refai, A.E.. DOI 10.1061/(ASCE)CC.1943-5614.0001115