Browsing Civil Engineering by Publication Date
Now showing items 21-40 of 58
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Engineering A Fertilizing Draw Solution For Irrigation Using Forward Osmosis / Reverse Osmosis Hybrid System
(2019 , Master Thesis)Large volumes of fresh water are consumed in the human’s daily activities, producing large volumes of highly contaminated wastewater which exhibits a major environmental problem. Wastewater is treated using multiple ... -
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 ... -
Flexural Strengthening Of Reinforced Concrete Beams Using Fabric Reinforced Cementitious Matrix Systems
(2019 , Master Thesis)This thesis is an experimental study performed to investigate the effectiveness of near surface embedded (NSE) and the hybrid near surface embedded externally bonded (NSE/EB) fabric reinforced cementitious matrix (FRCM) ... -
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 ... -
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 ... -
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 ... -
A Comparative Traffic Noise Study between Signalized Intersections and Roundabouts
(2020 , Master Thesis)This study presents a comparative traffic noise study done between signals and roundabouts in Doha, Qatar. Traffic noise and volume data were collected at four signals (two 2-lane and two 3-lane) and four roundabouts ... -
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 ... -
Examining Preference For Autonomous Vehicle (Av) Among Qatari Residents
(2020 , Master Thesis)Because of growing body of researches that predict the autonomous vehicles to be the future mode of transport. It is important to investigate the preference of Autonomous vehicles among Qatari citizens for fast developing ... -
Sustainable Concrete Using Seawater, Recycled Aggregates, and Non Corrosive Reinforcement
(2020 , Dissertation)Using seawater and recycled concrete aggregate (RCA) in a concrete mix is potentially advantageous from a sustainability perspective. However, the high chloride levels expected in such a concrete mix demands the use of ... -
Effect of Curing on the Deterioration of RC Structures in the Arabian Gulf
(2020 , Master Thesis)The deterioration of concrete in the Arabian Gulf is responsible for reduced service life of reinforced concrete structures. The reasons for degradation are attributed to the harsh environmental conditions and the ... -
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 ... -
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 ... -
An Enhanced Electrocoagulation Process for The Removal Of Fe and Mn from Municipal Wastewater Using Dielectrophoresis (DEP)
(2020 , Master Thesis)This study evaluates the removal efficiency of Fe and Mn from primary treated municipal wastewater using new electrodes configuration in electrocoagulation (EC) process. The used electrodes configuration generates a ... -
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 ... -
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 ... -
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 ... -
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 ... -
APPLICATION OF STEEL REINFORCED COMPOSITES FOR STRENGTHENING OF REINFORCED CONCRETE BEAMS AND COLUMNS: EXPERIMENTAL, ANALYTICAL, NUMERICAL, AND MACHINE LEARNING BASED STUDIES
(2022 , 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 ...
