Browsing by Author "Alnahhal, Wael"
Now showing items 1-20 of 20
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BASALT FRP BARS: DURABILITY AND APPLICATIONS IN REINFORCED CONCRETE ELEMENTS
(2023 , Dissertation)This dissertation is designed to examine the durability characteristics of basalt fiber reinforced polymers (BFRP) bars under severe environmental conditions that are usually encountered in civil engineering structures. ... -
Behaviour of fibre reinforced concrete using steel slag coarse aggregate produced in Qatar
( EDP Sciences , 2017 , Conference)The state of Qatar suffers from the shortage of natural resources needed for concrete production. Therefore, it is essential to investigate the feasibility of using by-product recycled materials as aggregates to maintain ... -
Bond Durability of Basalt Fiber Reinforced Polymer Bars Embedded in Fiber Reinforced Concrete under the Effect of Saline Environment and Elevated Temperatures
(2019 , Master Thesis)Fiber-reinforced polymer (FRP) is promising to be an alternative solution for conventional steel to prevent the fast infrastructures' deterioration. Moreover, FRPs are utilized by the construction industry to improve the ... -
Cantilever Beam Metastructure for Active Broadband Vibration Suppression
( Qatar University Press , 2020 , Poster)This paper presents a beam structure of a new metamaterial-inspired dynamic vibration attenuation system. The proposed experimental research presents a designed cantilevered zigzag structure that can have natural frequencies ... -
Cantilever Beam Metastructure for Passive Broadband Vibration Suppression
( Qatar Univesrity Press , 2020 , Conference)This paper presents a beam structure of a new metamaterial-inspired dynamic vibration attenuation system. The proposed experimental research presents a designed cantilevered zigzag structure that can have natural frequency ... -
Effect of using Cement Kiln Dust as a nano-material on the strength of cement mortars
( Springer Verlag , 2017 , Article)In this experimental study, the effects of using nano-sized Cement Kiln Dust (CKD) as a partial replacement for Ordinary Portland Cement (OPC) on the strength of cement mortars is investigated. The CKD was milled up to 4 ... -
Experimental and Theoretical Investigation on Bond Behavior of Tensile Lap Spliced Basalt Fiber Reinforced Polymer Bars in High Strength Concrete Beams
(2020 , Master Thesis)Basalt fiber reinforced polymer (BFRP) reinforcements are a possible replacement for corroding conventional steel bars. BFRP bars tension lap splices are necessary due to construction stoppages and limitations on rebar ... -
Flexural Behavior of Basalt Fiber Reinforced Concrete Beams with Recycled Concrete Coarse Aggregates
(2017 , Master Thesis)The State of Qatar has experienced tremendous economic development in the last decades. As a result, massive quantities of building materials have been used to accommodate the great pace in construction. However, Qatar ... -
Flexural Behavior Of Basalt Fiber Reinforced One-Way Concrete Slabs Reinforced With Fiber Reinforced Polymer Bars
(2018 , Master Thesis)The State of Qatar suffers from a harsh environment in the form of high temperature that prevails almost all year round, in addition to severe humidity and coastal conditions. This exposure leads to the rapid deterioration ... -
High and Ultra-high Performance Concretes: A Solution to Reinforced Concrete Durability under Harsh Climate of Arabian Gulf
( Qatar Univesrity Press , 2020 , Conference)Reinforced concrete (RC) infrastructure in the Arabian Gulf region deteriorates under severe environmental conditions after only short service life. To overcome this problem, it is imperative to employ high-quality concretes ... -
Mechanical Properties and Durability of Ultra-High-Performance Concrete with Locally Available Materials
(2021 , Master Thesis)Demand for high-rise residential buildings and skyscrapers necessitated the demand for higher strength concrete to reduce the dimensions of concrete structural elements. The rapid deterioration of normal strength concrete ... -
Numerical Evaluation of Dynamic Response by Using Modified Newmark’s Method
( Jordan University of Science and Technology , 2019 , Article)It is well known that the Newmark’s method is considered one of the most popular methods for structural dynamic analysis. In this study, starting from the basic Newmark’s method, a new accurate method is investigated and ... -
Numerical parametric investigation on the moment redistribution of basalt FRC continuous beams with basalt FRP bars
( Elsevier , 2021 , Article)Recently, researchers’ efforts have been directed toward using fiber-reinforced concrete (FRC) in lieu of conventional concrete to improve the compressive strain, tensile strength capacity, cracking patterns, and ductility ... -
Parametric Study on Moment Redistribution of Fiber Reinforced Concrete Continuous Beams with Basalt FRP Bars
(2019 , Master Thesis)The State of Qatar is continuously suffering from the high temperature and humidity which take place most of the year. This can deteriorate and reduce the lifecycle of the reinforced concrete (RC) structures and may ... -
Predicting the performance of multi-media filters using artificial neural networks
( IWA Publishing , 2016 , Article)The impact of flow rate and turbidity on the performance of multi-media filtration has been studied using an artificial neural network (ANN) based model. The ANN model was developed and tested based on experimental data ... -
Shear Behavior Of Fiber Reinforced Concrete Beams Reinforced With Basalt Frp Bars And Gfrp Stirrups
(2018 , Master Thesis)Qatar suffers from a harsh environment in the form of high temperature that prevails almost all year round in addition to severe humidity and coastal conditions. This exposure leads to the rapid deterioration and the ... -
Shear Behavior of Fiber Reinforced Concrete Beams with Basalt FRP Reinforcing Bars and Glass FRP Stirrups
( Qatar University Press , 2020 , Poster)The State of Qatar suffers from a harsh environment in the form of high temperature that prevails almost all year round in addition to severe humidity and coastal conditions. This exposure leads to the rapid deterioration ... -
Shear behavior of green concrete beams reinforced with basalt FRP bars and stirrups
( Elsevier , 2021 , Article)This study investigated the shear performance of large-scale green concrete (GC) beams reinforced with basalt fiber reinforced polymer (BFRP) bars and stirrups. The GC concept was employed in this study by partially ... -
Structural and Durability Performance of Sustainable Fiber-Reinforced Concrete Utilizing Recycled Concrete Powder and Basalt FRP Bars.
(2024 , Dissertation)Recycled concrete powder (RCP), obtained from further processing of construction and demolition waste (CDW), presents an abundant material and holds promise as an alternative to conventional supplementary cementitious ... -
Wave Propagation Identification of Viscoelastic and Metallic Mechanical Metamaterials
(2021 , Dissertation)Mechanical Metamaterials (MMs) are artificially engineered composites which have unconventional mechanical properties that stem from their microstructural geometry rather than from their chemical composition. Several studies ...
