Civil Engineering

HARVESTING MARINE MICROALGAE (TETRASELMIS SP.) USING DIELECTROPHORETIC FORCE-ASSISTED ELECTROCOAGULATION

KHATIB, WARDAN ABDULRAZAK (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

AL-TAWALBEH, AHMAD (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

WAKJIRA, TADESSE GEMEDA (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

Ghachi, Ratiba Fatma (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

ALTAYEH, NEZAM ABDELSALAM (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

Rabie, Mohamed Hassan Kamel Hassan (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

Almallah, Mustafa Suhail Sulaiman (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

Albeitjali, Naeem Nasser Naim (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

Alfahel, Radwan Ahmad Firas (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

Nishad, Safna (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)

Almukdad, Abdulkarim Ibrahim (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 ...

Effect of Curing on the Deterioration of RC Structures in the Arabian Gulf

Salim, Soheb Mullappilly (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 ...

A Comparative Traffic Noise Study between Signalized Intersections and Roundabouts

Rouf, Khadija Bint Abdur (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 ...

Examining Preference For Autonomous Vehicle (Av) Among Qatari Residents

Abuhijleh, Abdulrhman (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

Younis, Adel (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 ...

Shear Behavior of Green Concrete Beams Reinforced with Basalt FRP Bars and Stirrups.

Elahtem, Ayman Ahmed (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 ...

Experimental and Theoretical Investigation on Bond Behavior of Tensile Lap Spliced Basalt Fiber Reinforced Polymer Bars in High Strength Concrete Beams

Eltantawi, Islam Reda Mohamed (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 ...