Browsing Civil & Architectural Engineering by Title
Now showing items 647-666 of 678
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Threat and vulnerability risk assessment for existing subway stations: A simplified approach
( Elsevier Ltd , 2018 , Article)People use infrastructure systems mostly without realizing how important these systems are until an attack or damage occurs and results in casualties or causes discomfort or inconvenience. Even though there have been ... -
Three-Dimensional Evaluation of Sand Particle Fracture Using Discrete-Element Method and Synchrotron Microcomputed Tomography Images
( American Society of Civil Engineers (ASCE) , 2020 , Article)Recent research showed that fracture of sand particles plays a significant role in determining the plastic bulk volumetric changes of granular materials under different loading conditions. One of the major tools used to ... -
Time Delay and Cost Overrun in Qatari Public Construction Projects
( Elsevier Ltd , 2016 , Conference Paper)This paper investigated cost overruns and delays in Qatari public construction projects. An extensive review of regional and international publications was conducted to get a better understanding of the problem and the ... -
TORT3D: A MATLAB code to compute geometric tortuosity from 3D images of unconsolidated porous media
( Elsevier B.V. , 2017 , Article)Tortuosity is a parameter that plays a significant role in the characterization of complex porous media systems and it has a significant impact on many engineering and environmental processes and applications. Flow in ... -
Transit‐Oriented Development in Doha: The Case of the Al Sadd Neighborhood and Hamad Hospital Metro Station
( MDPI , 2021 , Article)Over the last two decades, transit‐oriented development (TOD) has been widely implemented as an integrated strategy to enhance urban livability. Doha, the capital of the State of Qatar, has faced urban challenges such ... -
Treatment of Wastewater Using Reverse Osmosis for Irrigation Purposes
( Qatar Univesrity Press , 2020 , Conference Paper)This work investigates the performance of reverse osmosis (RO) for the reclamation of treated sewage effluent (TSE) to be used as irrigation water for food crops. The feed water used in this study was a real sample of ... -
U-shaped frcm for strength and deformation enhancement of reinforced concrete beams
( University of Cantabria - Building Technology R&D Group , 2020 , Conference Paper)The strength and deformation performances of fabric-reinforced cementitious matrix (FRCM Uwrapped reinforced concrete (RC) beams has been studied in this work. Nine RC beams were used to assess this strengthening technique, ... -
Underage driving and seat-belt use of high school teenagers in Qatar
( Taylor and Francis Inc. , 2017 , Article)Many crashes occur every year that involve drivers who are unlicensed and underage. One of the main challenges for traffic safety authorities is the lack of detailed information about this alarming phenomenon. This study ... -
Understanding the association between cell phone use while driving and seat belt noncompliance in Qatar using logit models
( Taylor & Francis , 2018 , Article)Cell phone use while driving can distract the driver and can lead to serious traffic safety problems. Similarly, not using a seat belt can increase the risk of injuries and/or fatalities in the event of a crash. The objective ... -
Unlocking the application potential of electrocoagulation process through hybrid processes
( Elsevier , 2021 , Article Review)Electrocoagulation (EC) has attracted attention during the recent years due to its ease of use and high removal rate of organic and inorganic pollutants. It was found that using EC as a pretreatment process can decrease ... -
Unreinforced Masonry Facade Assessment of a Historic Building for Excessive Displacements Due to a Nearby Subway Construction
( American Society of Civil Engineers (ASCE) , 2019 , Article)There have been numerous publications on unreinforced masonry construction in the literature; however, there is a lack of publications on the condition assessment of existing unreinforced masonry facades for disturbances ... -
Uptake of Reactive Black 5 by pumice and walnut activated carbon: Chemistry and adsorption mechanisms
( Korean Society of Industrial Engineering Chemistry , 2014 , Article)The potential of using pumice and walnut wood activated carbon as low-cost adsorbents for the removal of the diazo dye Reactive Black 5 (RB5) from aqueous solutions was investigated. The Langmuir isotherm fit to the data ... -
Uptake of Reactive Black 5 by pumice and walnut activated carbon: Chemistry and adsorption mechanisms
( Elsevier , 2014 , Article)The potential of using pumice and walnut wood activated carbon as low-cost adsorbents for the removal of the diazo dye Reactive Black 5 (RB5) from aqueous solutions was investigated. The Langmuir isotherm fit to the data ... -
Urban resilience and livability performance of European smart cities: A novel machine learning approach
( Elsevier , 2022 , Article)Smart cities are centres of economic opulence and hope for standardized living. Understanding the shades of urban resilience and livability in smart city models is of paramount importance. This study presents a novel ... -
Use of 3D Images to Evaluate Formation Damage Induced by Montmorillonite Fines in Porous Media Systems
( Qatar Univesrity Press , 2020 , Conference Paper)Formation damage costs oil and gas industry $140 billion/year in lost productivity, this is a key challenge to Qatar, the world's largest LNG exporter. During production from a well, multiphase flow foster drag forces to ... -
Use of local discarded materials in concrete
( Elsevier , 2014 , Article)Steel slag, a by-product of steel manufacturing, is generated in large quantities in Qatar. In fact, it is estimated that more than 400,000tons of steel slag are generated annually in the country. Gravel, resulting from ... -
Use of Mathcad as a teaching and learning tool for reinforced concrete design of footings
( John Wiley & Sons, Inc. , 1999 , Article)Owing to their nature, numerous and complex equations are commonly used in the design of reinforced concrete structures. This is because of the nature of reinforced concrete design. Mathcad, which possesses efficient ... -
User satisfaction and energy use behavior in offices in Qatar
( SAGE Publications Ltd , 2018 , Article)The occupant behavior significantly contributes to the total energy use in buildings and its understanding is greatly needed in energy analysis/simulation studies. Uncertainties about the occupant behavior adversely affect ... -
Using driving simulator to study the effect of crash fact signs on speeding behaviour along freeways
( Taylor & Francis , 2022 , Article)A driving simulator study was utilized to evaluate a potential countermeasure for speeding behaviour in order to reduce speed spillover. The behaviour of 56 subjects was observed. Participants drove a freeway for 5300 ... -
Using pavements to generate electricity
( Elsevier B.V. , 2019 , Conference Paper)As part of developing a safe, efficient, and sustainable transportation infrastructure, health monitoring of pavements and bridges, as well as the monitoring of real-time roadway conditions for safety, have become increasingly ...