Qatar University Institutional Repository: Recent submissions
Now showing items 901-920 of 28761
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Performance of Basalt Fiber Reinforced Continuous Beams with Basalt FRP Bars
( IOP Publishing Ltd , 2020 , Conference Paper)The state of Qatar is suffering from a harsh environment and coastal conditions which stand for most of the year. As a result, steel-reinforced concrete (RC) structures are subjected to rapid corrosion and deterioration. ... -
Sustainable alternative aggregates: Characterization and influence on mechanical behavior of basalt fiber reinforced concrete
( Elsevier , 2020 , Article)Demands to assess the feasibility of utilizing alternative sustainable aggregates in concrete have been raised because of the rapid depletion of virgin aggregates resources. In this study, a comparison of the physio-chemical ... -
Bond strength of corroded reinforced recycled aggregate concrete with treated wastewater and fly ash
( Elsevier , 2023 , Article)This study investigates the bond strength of steel-to-concrete of 36 cubical pull-out specimens with a side length of 200 mm. The specimens were produced with treated wastewater (TWW), recycled concrete aggregates (RCA), ... -
Explainable machine learning-aided efficient prediction model and software tool for bond strength of concrete with corroded reinforcement
( Elsevier , 2024 , Article)The bond strength between concrete and reinforcement is crucial for the composite action and serviceability of reinforced concrete (RC) structures. However, it is vulnerable to deterioration from the corrosion of reinforcement ... -
Flexural strengthening of one-way reinforced concrete slabs using near surface-mounted BFRP bars
( Elsevier , 2024 , Article)This study examines the flexural behavior of reinforced concrete (RC) one-way slabs strengthened with near-surface mounted (NSM) basalt fiber-reinforced polymer (BFRP) bars. Ten RC slabs were subjected to four-point loading ... -
Bond durability performance of sand-coated BFRP bars in high-strength fiber reinforced concrete
( Elsevier , 2023 , Article)The ever-increasing utilization of fiber-reinforced polymer (FRP) bars has led to a surge in research regarding their bonding properties with concrete. In this study, the bond durability behavior between high-strength ... -
Bond durability of sand coated and ribbed basalt FRP bars embedded in high-strength concrete
( Elsevier , 2023 , Article)This study examines the bond durability behavior of basalt fiber-reinforced polymer (BFRP) bars in harsh environments. The effects of surface treatment, concrete compressive strength, exposure type, and period of exposure ... -
Comparative study on the bond performance of near-surface mounted fiber-reinforced polymer bars
( Elsevier , 2023 , Article)This paper presents the experimental and analytical results of a large study on the bond performance of near-surface mounted (NSM) fiber-reinforced polymer (FRP) bars. The investigated parameters included the bar material ... -
Shear behaviour of one-way high strength plain and FRC slabs reinforced with basalt FRP bars
( Elsevier , 2022 , Article)The purpose of this study is to investigate the shear behavior of high-strength one-way plain and basalt fiber reinforced concrete (BFRC) slabs reinforced with basalt fiber reinforced polymers (BFRP) bars. A total of 8 ... -
Experimental and analytical investigation on the use of NSM-BFRP and NSM-GFRP bars in strengthening corrosion-damaged RC slabs
( Elsevier , 2023 , Article)This paper presents the results of an experimental and analytical study on the flexural behavior of corrosion–damaged reinforced concrete (RC) slabs strengthened with different near–surface mounted fiber–reinforced polymer ... -
Life cycle cost analysis of sustainable reinforced concrete buildings with treated wastewater, recycled concrete aggregates, and fly ash
( Elsevier , 2023 , Article)The global excessive demand for concrete has resulted in a significant depletion of concrete natural resources and substantial release of carbon emissions in the environment. To tackle such challenges, treated wastewater ... -
Characteristics of Concrete Made with Treated Domestic Wastewater
( Springer Science and Business Media Deutschland GmbH , 2022 , Conference Paper)The dramatic increase in the worldwide production of concrete and its consequences in depleting freshwater resources has become an urgent challenge among researchers. Many countries use the desalination treatment method ... -
Flexural Capacity of Sustainable RC Beams Manufactured with Treated Wastewater, RCA, and Fly Ash
( Springer Science and Business Media Deutschland GmbH , 2023 , Conference Paper)Sustainable concrete with recycled materials has recently received considerable interest among researchers. Of the available recycled materials, treated wastewater (TWW), recycled concrete aggregates (RCA), and fly ash ... -
Flexural vibration attenuation properties of phononic crystals
( Trans Tech Publications Ltd , 2019 , Conference Paper)Phononic crystals (PCs) have the ability to have phononic bandgaps dependent on the acoustic properties of its constituent materials (i.e., mass, elasticity). Forming a 1D periodic variation using a viscoelastic material ... -
Mechanical characteristics of ultra-high performance steel FRC made with recycled concrete aggregates
( American Institute of Physics Inc. , 2023 , Conference Paper)Recycled concrete aggregates (RCA) are increasingly becoming a sustainable alternative to natural aggregate (NA) for concrete applications. This study, therefore, tests the influence of RCA on the fresh and hardened ... -
Mechanical Characteristics and Durability of Concrete Made with Treated Domestic Wastewater and Recycled Concrete Aggregates
( East Carolina University , 2022 , Conference Paper)Massive amounts of fresh water and natural aggregates are annually used for concrete applications, resulting in a rapid depletion of freshwater and natural aggregate resources. This necessitates the need of replacing fresh ... -
Bond Strength of Basalt FRP Bars with Different Surface Treatments to Plain and Fiber-Reinforced Concrete
( Springer Science and Business Media Deutschland GmbH , 2023 , Conference Paper)The current study presents an investigation on the influence of the surface texture of the reinforcing bar and the addition of macro fibers to concrete on the bond strength of basalt fiber reinforced polymers (BFRP) bars. ... -
The Influence of Reinforcement Ratio on the Shear Behaviour of Sand Coated Basalt FRP Bars Reinforced Beams
( Springer Science and Business Media Deutschland GmbH , 2022 , Conference Paper)Qatar is known by its harsh corrosive environment that is represented by high periodical humidity, and dust accompanied by temperature fluctuation. Also, geographically Qatar is considered a peninsula, this in turn makes ... -
Flexural Behavior of Basalt Fiber-Reinforced Concrete Slab Strips with BFRP Bars: Experimental Testing and Numerical Simulation
( American Society of Civil Engineers (ASCE) , 2020 , Article)This study investigated the flexural behavior of a new one-way concrete slab system reinforced longitudinally with basalt fiber-reinforced polymer (BFRP) bars and cast with basalt fiber-reinforced concrete (BFRC). The study ... -
Experimental and numerical investigation of the flexural behavior of one-way RC slabs strengthened with near-surface mounted and externally bonded systems
( Elsevier , 2024 , Article)This study investigated the flexural performance of one-way reinforced concrete (RC) slabs strengthened with two distinct strengthening systems: near-surface mounted (NSM) bars and externally bonded (EB) carbon fiber-reinforced ...