College of Engineering: المرسلات الحديثة
السجلات المعروضة 2421 -- 2440 من 8384
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Experimental determination of carbamate formation and amine protonation constants in 3-amino-1-propanol-CO2-H2O system and their temperature dependency
( Elsevier , 2015 , Article)The equilibrium constant for the formation of carbamate in 3-amino-1-propanol-CO2-H2O system was evaluated at different CO2 loadings, different temperature values, and different amine protonation constant. The studied ... -
Rethinking mobility strategies for mega-sporting events: A global multiregional input-output-based hybrid life cycle sustainability assessment of alternative fuel bus technologies
( Elsevier , 2022 , Article)Sustainability has been enshrined in the official claims of mega sporting events, and scholarly debates persist on how to achieve environmental stewardship and a prolonged legacy. Revitalizing the public transportation ... -
Soffit and U-Wrap fabric-reinforced cementitious matrix strengthening for reinforced concrete beams
( American Concrete Institute , 2019 , Article)The structural performance of reinforced concrete (RC) beams strengthened with fabric-reinforced cementitious matrix (FRCM) was investigated. Fourteen unstrengthened and strengthened beams were tested in flexure under ... -
U-shaped frcm for strength and deformation enhancement of reinforced concrete beams
( University of Cantabria - Building Technology R&D Group , 2020 , Conference Paper)The strength and deformation performances of fabric-reinforced cementitious matrix (FRCM Uwrapped reinforced concrete (RC) beams has been studied in this work. Nine RC beams were used to assess this strengthening technique, ... -
Shear capacity prediction of FRP-RC beams using single and ensenble ExPlainable Machine learning models
( Elsevier , 2022 , Article)Corrosion in steel reinforcement is a central issue behind the severe deterioration of existing reinforced concrete (RC) structures. Nowadays, fiber-reinforced polymer (FRP) is increasingly being used as a viable alternative ... -
Simplified compression field theory-based model for shear strength of fabric-reinforced cementitious matrix-strengthened reinforced concrete beams
( American Concrete Institute , 2020 , Article)Fabric-reinforced cementitious matrix (FRCM) systems are becoming an excellent choice for the shear strengthening of reinforced concrete (RC) beams owing to their excellent structural performance and compatibility with the ... -
Short-term flexural performance of seawater-mixed recycled-aggregate GFRP-reinforced concrete beams
( Elsevier , 2020 , Article)Combining seawater, recycled coarse aggregate (RCA), and glass fiber reinforced polymer (GFRP) reinforcement in concrete is potentially advantageous from a sustainability perspective. This paper reports on the results of ... -
Shear strengthening of reinforced concrete deep beams using near-surface mounted hybrid carbon/glass fibre reinforced polymer strips
( Elsevier , 2020 , Article)This study investigated the efficacy of near surface mounted (NSM) hybrid carbon/glass fibre reinforced polymer (FRP) strips for strengthening of shear-deficient reinforced-concrete (RC) rectangular deep beams. A specific ... -
Shear span-to-depth ratio effect on steel reinforced grout strengthened reinforced concrete beams
( Elsevier , 2020 , Article)The effect of the shear span-to-depth (a/d) ratio on the shear behavior of steel reinforced grout (SRG)-strengthened reinforced concrete (RC) beams is experimentally investigated. Four critical shear spans corresponding ... -
Shear strengthening of RC beams with steel reinforced grout (SRG)
( University of Cantabria - Building Technology R&D Group , 2020 , Conference Paper)Steel reinforced grout (SRG) has shown to be an efficient and cost-effective strengthening solution for reinforced concrete (RC) structures. With regard to RC beams, the experimental studies to date have focused mainly on ... -
Performance of Seawater-Mixed Recycled-Aggregate Concrete
( American Society of Civil Engineers (ASCE) , 2020 , Article)The use of seawater and recycled coarse aggregate (RCA) in concrete mixtures leads to the production of a very sustainable concrete. The potential risk of steel reinforcement corrosion (due to chloride in the seawater) in ... -
Modeling of inexpensive strengthening technique for reinforced concrete beams
( American Concrete Institute , 2017 , Article)A noble cause motivated the interest to carry out research work on an inexpensive strengthening technique using ferrocement for reinforced concrete beams applicable in developing countries. Ferrocement as an inexpensive ... -
Nse/eb-frcm technique for strengthening of rc beams in shear
( University of Cantabria - Building Technology R&D Group , 2020 , Conference Paper)This paper presents experimental results on the strengthening of reinforced concrete (RC) beams using 'hybrid near surface embedded/externally bonded' NSE/EB technique for fabric reinforced cementitious matrix (FRCM). Six ... -
Plastic hinge length of rectangular RC columns using ensemble machine learning model
( Elsevier , 2021 , Article)It is critical to properly define the plastic hinge region (the region that is exposed to maximum plastic deformation) of reinforced concrete (RC) columns to assess their performances in terms of ductility and energy ... -
Efficacy of NSM hybrid FRP strips for shear strengthening of rc deep beams
( University of Cantabria - Building Technology R&D Group , 2020 , Conference Paper)This paper presents an experimental study on the efficacy of near-surface mounted (NSM) hybrid carbon/glass fiber reinforced polymer (FRP) strips for the strengthening of shear-critical reinforced concrete (RC) deep beams. ... -
Interaction between Internal and External Shear Reinforcement for Strengthened RC Deep Beams
( Avestia Publishing , 2021 , Conference Paper)This paper presents a comprehensive experimental work to study the interaction between the internal and external shear reinforcement for strengthened reinforced concrete (RC) deep beams. For this purpose, a total of twelve ... -
Flexural strengthening of reinforced concrete beams using hybrid near-surface embedded/externally bonded fabric-reinforced cementitious matrix
( Elsevier , 2020 , Article)The efficacy of hybrid near-surface embedded/externally bonded (NSE/EB) fabric-reinforced cementitious matrix (FRCM) for flexural strengthening of reinforced concrete (RC) beams was assessed experimentally. Bending tests ... -
Inexpensive strengthening technique for partially loaded reinforced concrete beams: Experimental study
( American Society of Civil Engineers (ASCE) , 2015 , Article)This paper constitutes a special importance for developing countries where an affordable trowel-based strengthening system is needed. This paper also provides an affordable strengthening solution when it is not possible ... -
Fractional factorial design model for seismic performance of RC bridge piers retrofitted with steel-reinforced polymer composites
( Elsevier , 2020 , Article)This study explores the effects of key design parameters on the performance of seismically deficient rectangular cross-section reinforced concrete (RC) bridge piers strengthened with steel-reinforced polymer (SRP) composites. ... -
Engineering students' conceptions of collaboration, group-based strategy use, and perceptions of assessment in PBL: A case study in Qatar
( Tempus Publications , 2020 , Article Review)This study has investigated the natures of collaboration, group-based strategy use, and perception of assessment, as well as interactions among these aspects, by examining group performance in engineering students' first ...