Browsing Qatar University Institutional Repository by Author "Ebead, U."
Now showing items 1-20 of 21
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A new approach for predicting the shear capacity of FRCM strengthened RC beams in shear
Wakjira T.G.; Ebead U. ( Institute of Physics Publishing , 2018 , Conference Paper)In spite of the availability of different models proposed to predict the shear capacity of reinforced concrete (RC) beams strengthened in shear using fabric reinforced cementitious matrix (FRCM) system, accurately predicting ... -
A shear design model for RC beams strengthened with fabric reinforced cementitious matrix
Wakjira T.G.; Ebead U. ( Elsevier Ltd , 2019 , Article)The shear behavior of fabric reinforced cementitious matrix (FRCM) strengthened beams requires more research efforts to be fully understood. A detailed investigation into the shear capacity of FRCM shear-strengthened beams ... -
A study on the bond behavior of different FRCM systems
Younis A.; Ebead U. ( EDP Sciences , 2018 , Conference Paper)Fabric-reinforced cementitous matrix (FRCM) composites are usually applied on the concrete surface for the purpose of strengthening reinforced concrete structures. However, the efficiency of FRCM strengthening is notably ... -
Behaviour of RC beams strengthened in shear using near surface embedded FRCM
Ebead U.; Wakjira T.G. ( Institute of Physics Publishing , 2018 , Conference Paper)This paper presents an experimental study on the efficacy of a lately introduced "near surface embedded" technique (NSE) for fabric reinforced cementitious matrix (FRCM) for the strengthening of reinforced concrete (RC) ... -
Characterization and application of FRCM as a strengthening material for shear-critical RC beams
Younis A.; Ebead U. ( EDP Sciences , 2018 , Conference Paper)This paper investigates the effectiveness of fabric reinforced cementitious matrix (FRCM) systems in shear-strengthening of reinforced concrete beams. Three types of FRCM systems were considered, namely, polyparaphenylene ... -
Corrosion-Damaged RC Beams Repaired with Fabric-Reinforced Cementitious Matrix
Elghazy M.; El Refai A.; Ebead U.; Nanni A. ( American Society of Civil Engineers (ASCE) , 2018 , Article)The structural performance of corrosion-damaged reinforced concrete (RC) beams repaired with fabric-reinforced cementitious matrix (FRCM) was investigated. Eleven RC beams were constructed and tested in flexure under ... -
Effect of surface roughening on concrete/trm bond
Shrestha, K.C.; Ebead, U.; Younis, A. ( ISEC Press , 2017 , Conference Paper)Textile reinforced mortar (TRM) is applied on the concrete surface with the aim of strengthening reinforced concrete structures. The performance of the strengthened structural system is directly related to the bond between ... -
Efficacy of FRCM systems in flexural strengthening of RC T-beams
Wakjira T.G.; Afzal M.; Ebead U. ( Institute of Physics Publishing , 2018 , Conference Paper)This paper presents an experimental study on the flexural behaviour of RC beams strengthened with fabric reinforced cementitious matrix (FRCM) system. Eight T-shaped RC beams with two different flexural reinforcement ratios ... -
Experimental and analytical study on strengthening of reinforced concrete T-beams in shear using steel reinforced grout (SRG)
Wakjira T.G.; Ebead U. ( Elsevier Ltd , 2019 , Article)The use of steel reinforced grout (SRG) has emerged as a promising technique for the strengthening and retrofitting of reinforced concrete (RC) structures, however, the experimental evidence on its application for ... -
Experimental results and modelling of corrosion-damaged concrete beams strengthened with externally-bonded composites
Elghazy M.; El Refai A.; Ebead U.; Nanni A. ( Elsevier Ltd , 2018 , Article)This paper presents the results of 3D finite element (FE) modelling of corrosion-damaged reinforced concrete (RC) beams strengthened in flexure with externally-bonded composites. The models were validated against the results ... -
Fatigue and Monotonic Behaviors of Corrosion-Damaged Reinforced Concrete Beams Strengthened with FRCM Composites
Elghazy M.; El Refai A.; Ebead U.; Nanni A. ( American Society of Civil Engineers (ASCE) , 2018 , Article)This paper provides a comprehensive account of using fabric-reinforced cementitious matrix (FRCM) composites to strengthen corrosion-damaged reinforced concrete (RC) structures subjected to monotonic loading and fatigue. ... -
Finite element modelling of shear strengthened reinforced concrete beams
Ebead, U.; Saeed, H. ( International Institute for FRP in Construction (IIFC) , 2013 , Conference Paper)This research aims at creating precise finite element models for FRP shear strengthened concrete beams. It is inspired by the fact that the determination of the structural behaviour of the shear strengthened beams requires ... -
FRCM/internal transverse shear reinforcement interaction in shear strengthened RC beams
Wakjira T.G.; Ebead U. ( Elsevier Ltd , 2018 , Article)This paper presents a study on the efficacy of a shear strengthening technique utilizing fabric reinforced cementitious matrix (FRCM) systems for beams with and without internal transverse shear reinforcement (ITSR) within ... -
FRCM/stirrups interaction in RC beams strengthened in shear using NSE-FRCM
Ebead U.; Wakjira T.G. ( Institute of Physics Publishing , 2018 , Conference Paper)The use of a recently introduced "near surface embedded" (NSE) technique for fabric reinforced cementitious matrix (FRCM) system is shown to be a viable alternative to the conventionally used externally bonded FRCM counterpart ... -
Fresh and hardened properties of seawater-mixed concrete
Younis A.; Ebead U.; Suraneni P.; Nanni A. ( Elsevier Ltd , 2018 , Article)Using seawater for mixing concrete is potentially advantageous from a sustainability perspective. However, the presence of high concentrations of chloride in the seawater can lead to corrosion of steel reinforcement. This ... -
Hybrid NSE/EB technique for shear strengthening of reinforced concrete beams using FRCM: Experimental study
Wakjira T.G.; Ebead U. ( Elsevier Ltd , 2018 , Article)The externally bonded (EB) fabric reinforced cementitious matrix (FRCM) has successfully been used as a structural strengthening for various applications including flexural and shear strengthening of reinforced concrete ... -
Hydration, Pore Solution, and Porosity of Cementitious Pastes Made with Seawater
Montanari L.; Suraneni P.; Tsui-Chang M.; Khatibmasjedi M.; Ebead U.; Weiss J.; Nanni A.... more authors ... less authors ( American Society of Civil Engineers (ASCE) , 2019 , Article)Unreinforced concrete or concrete reinforced with noncorrosive reinforcement could potentially be mixed with seawater in locations where potable water is scarce. A fundamental understanding of the properties of concrete ... -
Hydration, strength, and shrinkage of cementitious materials mixed with simulated desalination brine
Hosseinzadeh, N.; Ebead, U.; Nanni, A.; Suraneni, P. ( ASTM International , 2019 , Article)The process of desalination results in the production of a hypersaline waste by-product known as reject brine. In some locations, this reject brine is dumped back into the ocean, which has potentially detrimental effects ... -
Near surface embedded-FRCM for flexural strengthening of reinforced concrete beams
Ebead U.; El-Sherif H. ( Elsevier Ltd , 2019 , Article)Fibre reinforced cementitious matrix (FRCM) systems are mostly externally bonded (EB) for the strengthening of reinforced concrete (RC) and masonry structures. In this paper, the relatively new concept of near-surface ... -
Post-repair flexural performance of corrosion-damaged beams rehabilitated with fabric-reinforced cementitious matrix (FRCM)
Elghazy M.; El Refai A.; Ebead U.; Nanni A. ( Elsevier Ltd , 2018 , Article)This paper presents the results of a research program examining the post-repair flexural response of corrosion-damaged reinforced concrete (RC) beams repaired with different FRCM systems. A total of nine RC beams were ...