Civil and Environmental Engineering: المرسلات الحديثة
السجلات المعروضة 441 -- 460 من 851
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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 ... -
Externally bonded hybrid carbon/glass FRP strips for shear strengthening of RC deep beams
( University of Cantabria - Building Technology R&D Group , 2020 , Conference Paper)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 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 ... -
Cost effectiveness of reinforcement alternatives for a concrete water chlorination tank
( Elsevier , 2020 , Article)Reinforced concrete tanks in water/wastewater treatment plants are susceptible to severe corrosion due to aggressive exposure conditions resulting from the application of certain treatment chemicals and methods. Non-corrosive ... -
Characteristics, benefits, challenges, and socio-cultural factors of implementing pbl in qatar
( Aalborg University , 2020 , Conference Paper)While project-and/or problem-based learning has been implemented in higher education worldwide for several decades, both modes of PBL remain a new phenomenon in Qatar. Over the past few years, several research projects ... -
Effect of using multiple fabric plies on the tensile behaviour of carbon textile reinforced mortar
( University of Cantabria - Building Technology R&D Group , 2020 , Conference Paper)Recently, textile reinforced mortar (TRM) has emerged as a viable strengthening material for reinforced concrete (RC) and masonry structures. Understanding the TRM tensile behaviour is important to achieve an accurate ... -
Effectiveness of frcm system in strengthening rc beams in shear using hybrid nse/eb technique
( ISEC Press , 2018 , Conference Paper)This paper presents an experimental study on the efficacy of a recently introduced hybrid "near surface embedded/ externally bonded" NSE/EB fabric reinforced cementitious matrix (FRCM). Seven medium scale RC beams, deficient ... -
An effective technique utilizing frcm system in strengthening rc beams in shear
( ISEC Press , 2018 , Conference Paper)This paper presents the efficacy of a new technique of fabric reinforced cementitious matrix (FRCM) for the strengthening of shear deficient reinforced concrete (RC) beams. This technique involves embedding the FRCM ... -
Development of high-strength lightweight non-autoclaved aerated concrete
( ICE Publishing , 2020 , Article)Six concrete mixes with different proportions of various pozzolanic materials were investigated for the development of high-strength non-autoclaved aerated concrete (NAAC). Fly ash and slag were used as partial cement ... -
A strut and tie model for FRCM-strengthened reinforced concrete deep beams
( ISEC Press , 2019 , Conference Paper)Exiting literature revealed that fabric reinforced cementitious matrix (FRCM) is a promising material for the strengthening of shear deficient reinforced concrete (RC) beams. However, most of the available experimental ... -
A review of recent advances in the science and technology of seawater-mixed concrete
( Elsevier , 2022 , Article)A review of the last 16 years of research (2005-2021) on seawater-mixed concrete is presented. A very significant amount of research, both fundamental and applied, has been performed on this topic, and there is worldwide ... -
Strengthening of reinforced concrete beams in shear using different steel reinforced grout techniques
( John Wiley and Sons Inc , 2021 , Article)In this study, steel reinforced grout (SRG) is proposed for shear strengthening of reinforced concrete (RC) beams using the near-surface embedded (NSE) technique. It is believed based on several research contributions in ... -
The Mechanical and Environmental Performance of Fiber-Reinforced Polymers in Concrete Structures: Opportunities, Challenges and Future Directions
( MDPI , 2022 , Article Review)The construction sector is well known for its critical environmental impact resulting from the consumed amounts of raw materials and the tremendous emissions of greenhouse gases. Therefore, scientists need to promote and ... -
Shear strength of recycled-aggregate concrete beams with glass-FRP stirrups
( Elsevier , 2022 , Article)The combined use of recycled concrete aggregate (RCA) and glass fiber reinforced polymer (GFRP) reinforcement in reinforced concrete (RC) structures is deemed plausible to achieve sustainable construction. This paper aims ... -
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 ...
