Civil and Environmental Engineering: المرسلات الحديثة
السجلات المعروضة 461 -- 480 من 856
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Comparing models of problem and project-based learning (PBL) courses and student engagement in civil engineering in Qatar
( Modestum LTD , 2020 , Article)Background: While improved student engagement has been highlighted as an essential goal and a major outcome of Problem and Project-Based learning (PBL), little empirical evidence has been provided regarding types and forms ... -
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)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)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)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 ... -
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 ... -
An effective technique utilizing frcm system in strengthening rc beams in shear
( ISEC Press , 2018 , Conference)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)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 ... -
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 ... -
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 ... -
U-shaped frcm for strength and deformation enhancement of reinforced concrete beams
( University of Cantabria - Building Technology R&D Group , 2020 , Conference)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, ... -
A comparative study of the treatment of ethylene plant spent caustic by neutralization and classical and advanced oxidation
( Academic Press , 2015 , Article)The treatment of spent caustic produced from an ethylene plant was investigated. In the case of neutralization alone it was found that the maximum removal of sulfide was at pH values below 5.5. The higher percentage removal ... -
Enabling Open Innovation in Digital Startups through the Incubation Program-A Case of Qatar
( MDPI , 2022 , Article)Researchers have studied open innovation by focusing primarily on big organizations. With digitization, the adoption of open innovation has become widespread, as there is broader access to cheaper and better information ... -
Perspectives on food waste management: Prevention and social innovations
( Elsevier , 2022 , Article Review)Food waste is one of the challenging issues humans are facing. A third of the food produced in the world is wasted at various points along the food supply chain. Food waste can be reduced by developing technology that can ... -
Pedestrians’ Microscopic Walking Dynamics in Single-File Movement: The Influence of Gender
( MDPI , 2022 , Article)Demographics of individuals could largely influence their behaviors and interactions with surrounding pedestrians. This study investigates the influence of pedestrians’ gender on microscopic walking dynamics of single-file ... -
Does Pedestrian Penalty Affect Pedestrian Behavior? A Case of State of Qatar
( Elsevier , 2021 , Article)Crashes involving pedestrians are a major concern for authorities in many developed and developing countries. To refrain pedestrians from illegal or unsafe road behavior, authorities introduced three pedestrian penalties ... -
Quantifying the impact of COVID–19 preventive measures on traffic in the State of Qatar
( Elsevier , 2021 , Article)Ever since the beginning of 2020, the mobility of people and goods all over the world has been extremely limited as a result of movement restrictions imposed by local authorities as part of several other efforts to stop ... -
Assessment of School Bus Assistant’s Safety Perspective in the State of Qatar
( Elsevier B.V. , 2022 , Conference)School Bus Assistants (SBA) are appointed to bridge the communication gap between students and drivers, and to ensure the safety of students on the school buses. The purpose of this study is to assess the safety procedures ... -
Are Professional Drivers more Aggressive than General Drivers? A Case Study from Doha, Qatar
( Elsevier B.V. , 2022 , Conference)Previous studies have revealed that aggressive and reckless driving can largely affect the occurrence and severity of road crashes. There could be intentional aggressive and unsafe acts, which could significantly affect ...
