Browsing Civil Engineering by Title
Now showing items 31-50 of 55
-
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 ... -
Impact Of Fines On Gas Relative Permeability Through Sand Using Pore Networks From 3d Synchrotron Micro-Computed Tomography
(2019 , Master Thesis)Fines migration and transport in sand systems have huge influence on vital applications, including the storage and recovery of water and energy resources from the subsurface. Multi-phase flow of gas through saturated ... -
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 ... -
Investigation of Gap Acceptance at Roundabouts in Qatar
(2017 , Master Thesis)Modern roundabouts are a popular method to control traffic at intersections. In this type of roundabouts, priority is given to the circulating flow, and the approaching vehicles have to find a gap to merge with the flow ... -
An Investigation Of Vibration From Underground Tunnels By Using A Plane-Strain Finite Element Model
(2018 , Master Thesis)In 2013, Qatar Rail announced major rail projects that include an urban rail network for the city of Doha with lines running on the surface and underground which are expected to be in operation by 2020. Railway systems are ... -
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 ... -
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 ... -
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 ... -
A NON-DESTRUCTIVE METHODOLOGY FOR LEAK DETECTION IN WATER NETWORKS USING INFRARED PHOTOGRAPHY (IR) AND GROUND PENETRATING RADAR (GPR)
(2016 , Master Thesis)Two noninvasive and nondestructive methodologies for detecting leaks in water pipes were proposed and tested. The first method combines the use of Ground Penetrating Radar (GPR) for accurate determination of pipe location, ... -
A Numerical and Experimental Investigation of a Special Type of Floating-Slab Tracks
(2019 , Master Thesis)This thesis presents a research study on the dynamic behavior of a special type of FST used in recently built subway system in Doha, Qatar. The special FST has a continuous concrete slab with periodic grooves for which ... -
OPERATIONAL MODEL ANALYSIS AND FINITE ELEMENT MODEL UPDATE USING AMBIENT VIBRATION DATA FOR AL-SINYAR TOWER
(2018 , Master Thesis)Buildings in Qatar rely on minimum structural code requirements implemented by design consultants’ offices. Qatar 2030 vision considers increasing of structures’ sustainability and serviceability as a high priority, which ... -
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 ... -
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 ... -
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 ... -
Road Users Perception of Dynamic Message Signs And Lane Control Signs
(2019 , Master Thesis)The state of Qatar is continuously developing and has been capitalizing enormously in upgrading transportation. The latest upgrade in transportation was the introduction of Intelligent Transportation Systems (ITS). ... -
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 Green Concrete Beams Reinforced with Basalt FRP Bars and Stirrups.
(2020 , Master Thesis)The Reinforced concrete structures when exposed to a harsh environment it will be susceptible to the corrosion of steel reinforcement and shall lead to deterioration process. Consequently, the service lifetime of the ... -
Strengthening of Continuous Reinforced Concrete Beams Using Steel Reinforced Grout
(2025 , Dissertation)This study investigated the effectiveness of steel-reinforced grout (SRG) in enhancing the flexural performance of continuous reinforced concrete (RC) beams. Twenty medium-scale, two-span RC beams were designed, fabricated, ... -
Strengthening of reinforced concrete beams With Textile- Reinforced mortars
(2016 , Master Thesis)This study involves an experimental work for using textile reinforced mortar (TRM) to increase the flexural strength of reinforced concrete (RC) beams. Two different types of textiles namely carbon and Polyparaphenylene ... -
STRENGTHENING OF SHEAR DEFICIENT REINFORCED CONCRETE BEAMS USING NEAR SURFACE EMBEDDED FABRIC REINFORCED CEMENTITIOUS MATRIX
(2018 , Master Thesis)This thesis presents an experimental study on the efficacy of new concepts of strengthening reinforced concrete beams deficient in shear. The first concept is referred to as “near surface embedded” fabric reinforced ...
