Civil Engineering: Recent submissions
Now showing items 1-20 of 52
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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 ... -
MXENE BASED NANOCOMPOSITES FOR HIGH PERFORMANCE CAPACITIVE DEIONIZATION
(2024 , Dissertation)MXene is considered as a superior electrode material for capacitive deionization (CDI) due to its high conductivity and two-dimensional structure. However, the electrochemical performance of pristine MXene nanosheets has ... -
EXAMINING QATAR RESIDENTS' TRAVEL BEHAVIOR CHANGES DURING FIFA WORLD CUP QATAR 2022
(2024 , Master Thesis)Mega events like the Olympic Games and World Cup pose transportation challenges and can drastically impact host cities' travel patterns and infrastructure due to the influx of visitors. This thesis examines the impact of ... -
INTEGRATING FINITE ELEMENT ANALYSIS AND MACHINE LEARNING FOR THE DEVELOPMENT OF DESIGN INTERACTION CHARTS IN FRC TUNNEL SEGMENTAL LININGS
(2024 , Master Thesis)Over the past two decades, fiber-reinforced concrete (FRC) has been used in a variety of tunneling projects, whether in conjunction with conventional rebars or without. The reason for adding fibers to cementitious composites ... -
Pore Scale Examination Of The Impact Of Porous Media Morphology And Particle Hydrophobicity On Colloid Retention And Remobilization Behavior
(2024 , Master Thesis)The understanding of colloidal retention properties in multiphase systems is essential to a multitude of industries like oil extraction and groundwater recharge. A pore-scale understanding of the dynamics of colloid retention ... -
Assessing the Influence of Power Paradox on Driving Behavior and Traffic Safety in The State of Qatar.
(2024 , Master Thesis)Aggressive driving is a significant contributor to traffic accidents. There's both anecdotal and scientific evidence suggesting that a vehicle's size and price might influence the behavior of its driver. This study examined ... -
Repair and Rehabilitation of Damaged Reinforced Concrete Beams Using Sustainable Geopolymer Composites
(2024 , Master Thesis)Cement is one of the most used building materials worldwide. However, using cement affects the environment negatively by increasing CO2 emissions during its manufacturing process. In addition to that, concrete structures ... -
The effect of water table fluctuation and hydrogeochemical properties on NAPLs natural attenuation
(2023 , Dissertation)Human activities have recently resulted in the degradation and contamination of groundwater. Petroleum spills, such as crude oil, gasoline, and diesel fuel, are a major source of groundwater contamination, especially along ... -
TOWARDS SUSTAINABLE MUNICIPAL WASTEWATER REUSE IN IRRIGATION OF FOOD CROPS BY UTILIZATION OF HYBRID MEMBRANE PROCESS AND MAGNETIC NANOPARTICLES
(2023 , Dissertation)Wastewater reuse could relieve the global water scarcity issue when applied in the agriculture industry however, the wastewater shall be treated to ensure that the water quality meets the irrigation water quality. In this ... -
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. ... -
HARVESTING MARINE MICROALGAE (TETRASELMIS SP.) USING DIELECTROPHORETIC FORCE-ASSISTED ELECTROCOAGULATION
(2023 , Master Thesis)The attention towards algal based products has been increasing drastically in recent years. The high energy requirement for harvesting microalgae stands as the main challenge of the production stream of the biomass. The ... -
EVALUATION AND CALIBRATION OF DYNAMIC MODULUS PREDICTION MODELS OF ASPHALT MIXTURES FOR HOT CLIMATES
(2023 , Master Thesis)The dynamic modulus (E*) of asphalt mixtures is considered a primary entry in Mechanistic-Empirical (ME) pavement design and analysis. Various models have been published and aimed to estimate the modulus on the basis of ... -
APPLICATION OF STEEL REINFORCED COMPOSITES FOR STRENGTHENING OF REINFORCED CONCRETE BEAMS AND COLUMNS: EXPERIMENTAL, ANALYTICAL, NUMERICAL, AND MACHINE LEARNING BASED STUDIES
(06-2 , Dissertation)The use of steel reinforced composites (SRC) has emerged as a cost-effective and promising solution for the strengthening of reinforced concrete (RC) structures. The strengthening system in SRC comprises a unidirectional ... -
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 ... -
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 ... -
Factors Influencing the Mechanical Properties of Geopolymer Mortar Made of Fly Ash
(2020 , Master Thesis)Geopolymerization is a process where silica and alumina rich source materials turns into excellent binding materials by the aid of alkali solutions. Fly ash class F mainly consists of alumina and silica. Compressive strength ... -
Development of Variable Message Sings Strategies for Traffic Management at Work Zones
(2020 , Master Thesis)Work zones are defined as road sections of which different activities such as road construction or maintenance take place. In most work zones, road alignments are different than the pre-work periods. Therefore, speed limits ... -
Capacity Analysis of Single-Lane Roundabouts in The State of Qatar
(2020 , Master Thesis)This master thesis presents capacity analysis of Single-Lane roundabouts in the State of Qatar. The aim of this paper is to update Qatar highway manual, by developing a new capacity model using empirical data collected ... -
Fabrication of Fouling Resistant Ti3C2Tx(MXene) Cellulose Acetate Nanocomposite Membrane for Forward Osmosis Application
(2020 , Master Thesis)Forward Osmosis (FO) is one of the promising technologies that can be used to combat growing water scarcity. However, FO membrane fouling hinders the widespread application of this technology by significantly reducing the ... -
Micromodel Study on Colloid Retention and Mobilization under different Geo-Chemical Conditions during Single and Two-Phase Flow
(2020 , Dissertation)Understanding the transport of colloids and colloid-facilitated transport of contaminants is essential for efficient cleanup and remediation processes. Various factors and mechanisms contributing to their retention in the ...
