Civil and Environmental Engineering: المرسلات الحديثة
السجلات المعروضة 441 -- 460 من 856
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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)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 ... -
Engineering instructors' professional agency development and identity renegotiation through engaging in pedagogical change towards PBL
( Taylor and Francis Ltd. , 2021 , Article)This qualitative longitudinal study explored three engineering instructors' professional agency in implementing project-based learning (PBL), including multiple sets of data (18 interviews, observations, and written ... -
Explainable machine learning model and reliability analysis for flexural capacity prediction of RC beams strengthened in flexure with FRCM
( Elsevier , 2022 , Article)This paper presents a data-driven approach to determine the load and flexural capacities of reinforced concrete (RC) beams strengthened with fabric reinforced cementitious matrix (FRCM) composites in flexure. A total of ... -
FAI: Fast, accurate, and intelligent approach and prediction tool for flexural capacity of FRP-RC beams based on super-learner machine learning model
( Elsevier , 2022 , Article)Fiber-reinforced polymer (FRP) composites have recently been considered in the field of structural engineering as one of the best alternatives to conventional steel reinforcement due to their high tensile strength, ... -
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 ... -
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. ... -
Efficacy of NSM hybrid FRP strips for shear strengthening of rc deep beams
( University of Cantabria - Building Technology R&D Group , 2020 , Conference)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. ... -
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 ... -
Externally bonded hybrid carbon/glass FRP strips for shear strengthening of RC deep beams
( University of Cantabria - Building Technology R&D Group , 2020 , Conference)The experimental study on the shear strengthening the efficacy of a recently introduced hybrid carbon/glass fiber reinforced polymer (FRP) for reinforced concrete (RC) deep beams has been presented in this study. The hybrid ... -
Finite element modelling of shear strengthened reinforced concrete beams
( International Institute for FRP in Construction (IIFC) , 2013 , Conference)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 ... -
Machine learning-based shear capacity prediction and reliability analysis of shear-critical RC beams strengthened with inorganic composites
( Elsevier , 2022 , Article)The application of inorganic composites has proven to be an effective strengthening technique for shear-critical reinforced concrete (RC) beams. However, accurate prediction of the shear capacity of RC beams strengthened ... -
Sensitivity analysis and genetic algorithm-based shear capacity model for basalt FRC one-way slabs reinforced with BFRP bars
( Elsevier , 2023 , Article)Fiber-reinforced polymer (FRP) composites are increasingly used in concrete structures owing to their superior corrosion resistance. However, FRP-reinforced concrete (RC) structures exhibit less ductile response compared ... -
Material performance and cost effectiveness of seawater-mixed rubberized concrete
( Elsevier , 2021 , Article)The combined use of seawater and recycled tire aggregate (RTA) in concrete is potentially a way forward towards sustainable construction. It can help control harvesting of natural aggregates, manage waste tires, mitigate ... -
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 ... -
Interaction between Internal and External Shear Reinforcement for Strengthened RC Deep Beams
( Avestia Publishing , 2021 , Conference)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 ... -
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 ... -
Nse/eb-frcm technique for strengthening of rc beams in shear
( University of Cantabria - Building Technology R&D Group , 2020 , Conference)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 ...
