Browsing by Author "Ebead, Usama"
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Bond characteristics of different FRCM systems
Younis, A.; Younis, Adel; Ebead, Usama ( Elsevier , 2018 , Article)© 2018 Elsevier Ltd Fabric-reinforced cementitious matrix (FRCM) composites are usually applied on the concrete surface for the purpose of strengthening reinforced concrete structures. The efficiency of FRCM as a strengthening ... -
Different FRCM systems for shear-strengthening of reinforced concrete beams
Younis, Adel; Ebead, Usama; Shrestha, Kshitij C. ( Elsevier Ltd , 2017 , Article)This paper presents the results of an extensive experimental study on the efficacy of different fabric-reinforced cementitous matrix (FRCM) systems for the strengthening of reinforced concrete (RC) beams, which are critical ... -
Effect of corrosion damage on the flexural performance of RC beams strengthened with FRCM composites
Elghazy, Mohammed; El Refai, Ahmed; Ebead, Usama; Nanni, Antonio ( Elsevier Ltd , 2017 , Article)This paper reports on the flexural behavior of corrosion-damaged reinforced concrete (RC) beams strengthened with different fabric-reinforced cementitious matrix (FRCM) composites. Three groups of beams were subjected to ... -
Effectiveness of Fabric-Reinforced Cementitious Matrix in Strengthening Reinforced Concrete Beams
Ebead, Usama; Shrestha, Kshitij C.; Afzal, Muhammad S.; El Refai, Ahmed ( American Society of Civil Engineers (ASCE) , 2017 , Article)This paper reports on the efficiency of fabric-reinforced cementitious matrix (FRCM) in enhancing the flexural capacity and deformational characteristics of RC beams. In the main experimental part of the paper, 12 RC beams, ... -
Effects of Using Seawater and Recycled Coarse Aggregates on Plain Concrete Characteristics
Younis, Adel; Ebead, Usama ( Qatar Univesrity Press , 2020 , Conference Paper)Using seawater and/or recycled coarse aggregates (RCA) for concrete mixing is deemed advantageous from a sustainability perspective. This paper reports on the results of an experimental study on fresh and hardened properties ... -
Engineering students' approaches to learning and views on collaboration: How do both evolve in a PBL environment and what are their contributing and constraining factors?
Du, Xiangyun; Ebead, Usama; Sabah, Saed; Ma, Jianping; Naji, Khalid Kamal ( Modestum LTD , 2019 , Article)Background: This study investigated the development of engineering students' approaches to learning and views on collaboration in a PBL environment. Material and methods: An explanatory mixed research approach was employed ... -
Externally Bonded And Near-Surface Mounted FRP Strips For Shear Strengthening Of RC Deep Beams
Ibrahim, Mohamed Amin Babiker (2019 , Master Thesis)This thesis presents an experimental study on the efficacy of fiber reinforced polymer (FRP) strips using externally bonded (EB) and near surface mounted (NSM) techniques for the shear strengthening of reinforced ... -
Flexural and interfacial behavior of externally bonded/ mechanically fastened fiber-reinforced polymer-strengthened reinforced concrete beams
Ebead, Usama; Saeed, Huda ( American Concrete Institute , 2014 , Article)The determination of structural behavior requires advanced numerical methods, of which results are substantiated by credible experimental findings. This research aims to create precise finite element models for fiber-reinforced ... -
Flexural Strengthening Of Reinforced Concrete Beams Using Fabric Reinforced Cementitious Matrix Systems
El Sherif, Hossameldin Abdou M A (2019 , Master Thesis)This thesis is an experimental study performed to investigate the effectiveness of near surface embedded (NSE) and the hybrid near surface embedded externally bonded (NSE/EB) fabric reinforced cementitious matrix (FRCM) ... -
FRP/stirrups interaction of shear-strengthened beams
Ebead, Usama; Saeed, Huda ( Kluwer Academic Publishers , 2017 , Article)This work includes experimental testing and finite element analysis of fiber reinforced polymer (FRP) shear-strengthened reinforced concrete (RC) beams. The strengthening techniques used for the beam strengthening are ... -
Internal transverse reinforcement configuration effect of EB/NSE-FRCM shear strengthening of RC deep beams
Wakjira, Tadesse G.; Ebead, Usama ( Elsevier Ltd , 2019 , Article)This paper presents an experimental study carried out on the structural performance of shear-critical reinforced concrete (RC) deep beams internally reinforced with two different stirrups configurations; i.e. aligned and ... -
International Conference on Civil Infrastructure and Construction (CIC 2020)
Sirin, Okan; Ebead, Usama; Eid, Hisham; Gunduz, Murat; Hussein, Mohammed ( Qatar University Press دار نشر جامعة قطر , 2020 , Book & Conference Proceedings)This is the proceedings of the CIC 2020 Conference, which was held under the patronage of His Excellency Sheikh Khalid bin Khalifa bin Abdulaziz Al Thani in Doha, Qatar from 2 to 5 February 2020. The goal of the ... -
Life Cycle Assessment for Fiber-Reinforced Polymer (FRP)nComposites Used in Concrete Beams: A State-of-the-Art Review
Ibrahim, Mohamed; Ebead, Usama; Al-Ansari, Mohammed ( Qatar Univesrity Press , 2020 , Conference Paper)Fiber-reinforced polymer (FRP) composites have become popularly utilized in structural engineering applications. The common use of the FRP composites is related to their economic benefits that can be observed right away ... -
Life cycle cost analysis of structural concrete using seawater, recycled concrete aggregate, and GFRP reinforcement
Younis, A.; Younis, Adel; Ebead, Usama; Judd, Simon ( Elsevier , 2018 , Article)© 2018 Elsevier Ltd Using seawater and recycled concrete aggregate (RCA) in a concrete mix is potentially advantageous from a sustainability perspective. However, the high chloride levels expected in such a case demands ... -
Long-Term Cost Performance of Corrosion-Resistant Reinforcements in Structural Concrete
Younis, Adel; Ebead, Usama ( Qatar Univesrity Press , 2020 , Conference Paper)Corrosion, which leads to the premature deterioration of reinforced concrete (RC) structures, is increasingly an issue of global concern. Accordingly, corrosion-resistant materials have emerged as alternative reinforcement ... -
Microstructure investigation of seawater vs. Freshwater cement pastes
Younis, Adel; Ebead, Usama; Suraneni, Prannoy; Nanni, Antonio ( ISEC Press , 2019 , Conference Paper)Recently, seawater has emerged as viable mixing water for concrete, especially in the case of non-reinforced concrete applications or with the use of non-corrosive reinforcement. Previous studies concerning seawater-mixed ... -
Near Surface Embedded Application for FRCM Strengthening of RC Beams in Flexure
El-Sherif, HossamEldin; Ebead, Usama ( Qatar Univesrity Press , 2020 , Conference Paper)In this paper, the efficacy of a recent strengthening technique, referred to as Near Surface Embedded (NSE), has been investigated for flexural strengthening of Reinforced Concrete (RC) beams using Fabric Reinforced ... -
Numerical modeling of shear strengthened reinforced concrete beams using different systems
Ebead, Usama; Saeed, Huda ( American Society of Civil Engineers , 2014 , Article)This research aims at creating finite-element models for fiber-reinforced polymer (FRP) shear strengthened concrete beams. It is inspired by the fact that the determination of the structural behavior of shear strengthened ... -
Recycled Waste Tires Management in Constructions
Hamid, Salma Mohamed (2020 , Master Thesis)Concrete is one of the most commonly used materials in construction worldwide. Yet the production of concrete from raw materials, such as cementitious materials, water, sand, and natural aggregate, leads to the release of ... -
Steel Reinforced Grout for Strengthening of RC T-section Beams Deficient in Shear
Wakjira, Tadesse; Ebead, Usama ( Qatar Univesrity Press , 2020 , Conference Paper)numerous causes. Thus, proper strengthening and rehabilitation techniques are required to restore the strength and extend the service life of the structures. Steel reinforced grout (SRG) has recently been introduced as an ...