Browsing Civil & Architectural Engineering by Title
Now showing items 141-160 of 718
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Characterization of lightly stabilized granular base materials using monotonic and cyclic load flexural testing
( American Society of Civil Engineers (ASCE) , 2016 , Article)Lightly cementitiously stabilized granular materials are generally characterized by their tensile properties and this paper examines the use of monotonic and cyclic load flexural testing to determine the tensile characteristics ... -
Characterization of tbm muck for construction applications
( MDPI , 2021 , Article)This paper investigates the potential utilization of the Tunnel Boring Machine (TBM) muck generated from Doha's Metro Gold Line in different construction applications. The properties of the raw TBM muck were studied, and ... -
Circular economy application for a Green Stadium construction towards sustainable FIFA world cup Qatar 2022™
( Elsevier , 2021 , Article)The construction industry is responsible for a significant amount of raw material consumption and environmental footprints. Therefore, sustainable construction became a hot topic, which strives to reduce material consumption, ... -
Classification tree analysis of factors affecting parking choices in Qatar
( Elsevier Ltd , 2015 , Article)Qatar has experienced a significant population growth in the past decade. The growth has been accompanied by an increase in automobile ownership rates leading to parking problems especially in the capital city of Doha. The ... -
Closure to "Fully softened shear strength for soil slope stability analyses" by Hisham T. Eid and Khaled H. Rabie
( American Society of Civil Engineers (ASCE) , 2018 , Article)[No abstract available] -
Colloid retention and mobilization mechanisms under different physicochemical conditions in porous media: A micromodel study
( Elsevier , 2021 , Article)Clear understanding of pore-scale mechanisms that control transport and retention of colloids in porous media at different physicochemical conditions is critical to improve design and efficient cleanup methodologies of ... -
Combined effects of treated domestic wastewater, fly ash, and calcium nitrite toward concrete sustainability
( Elsevier , 2021 , Article)The drastic increase in freshwater and ordinary Portland cement (OPC) consumption poses severe environmental and economic challenges worldwide. This study; therefore, explores the mechanical and durability properties of ... -
Combined influence of temperature and flow rate of feeds on the performance of forward osmosis
( Elsevier , 2016 , Article)The effect of the membrane orientation, feeds flow rate, feeds temperature, and combining effect of both temperature and flow rate on the membrane flux was investigated in order to enhance the performance of forward osmosis ... -
Comparative Characterization of Field and Laboratory-Aged Binders Modified with Antioxidant Additives and Copolymers Using Fourier Transform Infrared Spectroscopy and Gel Permeation Chromatography
( American Society of Civil Engineers (ASCE) , 2022 , Article)This study investigates the behavior of antioxidant additives and copolymers to an asphalt binder by comparing laboratory-aged (up to 60 h) and antioxidant-modified binders with binders extracted from field cores. To ... -
Comparative evaluation of fatigue resistance of warm fine aggregate asphalt mixtures
( Elsevier Ltd , 2016 , Article)Fatigue cracking is one of the crucial distresses in asphalt pavements that affect its service life and rehabilitation process. The resistance of asphalt mixtures to fatigue failure in the laboratory experiments is influenced ... -
A comparative study of the treatment of ethylene plant spent caustic by neutralization and classical and advanced oxidation
( Academic Press , 2015 , Article)The treatment of spent caustic produced from an ethylene plant was investigated. In the case of neutralization alone it was found that the maximum removal of sulfide was at pH values below 5.5. The higher percentage removal ... -
Comparative study on the behavior of square foundations resting on confined sand
( Canadian Science Publishing , 2009 , Article)The behavior of shallow foundations resting on laterally and (or) vertically confined sand has been investigated using physical and numerical modeling. The models were designed to simulate the frequently constructed raft ... -
Comparing eurocode 2 prestress loss estimations to strains measured on a pretensioned bridge beam
( CRC Press/Balkema , 2019 , Conference Paper)The implementation of Eurocode 2 (EC2) for the design of concrete structures in South Africa in the near future is pending and necessitates refined understanding of EC2’s prediction models; including prestress losses and ... -
Comparing models of problem and project-based learning (PBL) courses and student engagement in civil engineering in Qatar
( Modestum LTD , 2020 , Article)Background: While improved student engagement has been highlighted as an essential goal and a major outcome of Problem and Project-Based learning (PBL), little empirical evidence has been provided regarding types and forms ... -
Comparison of dual stage ultrafiltration and hybrid ultrafiltration-forward osmosis process for harvesting microalgae (Tetraselmis sp.) biomass
( Elsevier , 2020 , Article)In this study, a hybrid ultrafiltration-forward osmosis system was compared with a dual stage ultrafiltration process for the harvesting of marine microalgae. To the best of the author's knowledge none of the previous ... -
Comparison of nanofiltration with reverse osmosis in reclaiming tertiary treated municipal wastewater for irrigation purposes
( MDPI AG , 2021 , Article)This study compares the performance of nanofiltration (NF) and reverse osmosis (RO) for the reclamation of ultrafiltered municipal wastewater for irrigation of food crops. RO and NF technologies were evaluated at different ... -
Comparison of SimTraffic and VISSIM Microscopic Traffic Simulation Tools in Modeling Roundabouts
( Elsevier B.V. , 2015 , Conference Paper)Abstract SimTraffic and VISSIM are two microscopic traffic simulation tools that are capable of modeling arterial roads with signalized intersections and roundabouts. This study compares the performance of the two simulation ... -
Comparison of site-specific and empirical correlations for drained residual shear strength
( ICE Publishing , 2020 , Other)The discusser has an interest in the topic of the paper (Hayden et al., 2018) on the ability of empirical correlations to predict the residual friction angle of samples from a specific site. In fact, he provided one of the ... -
Comparison of the Mechanical Behavior of Railroad Ballast in a Box Test under Sinusoidal and Realistic Train Loadings Using Discrete Element Method
( Qatar Univesrity Press , 2020 , Conference Paper)A ballasted track is a popular type of railway track and its use is increasing all over the world. A ballasted track consists of different structural elements like rails, fasteners, sleepers, ballast layer, sub-ballast ... -
Comprehensive evaluation of long-term aging of asphalt mixtures in hot climatic condition
( Taylor & Francis , 2018 , Article)Aging is an inevitable phenomenon in hot mix asphalt production and during in-service period of flexible pavement operation. This paper presents an experimental evaluation of long-term aging of asphalt mixtures in Qatar. ...