Browsing Civil and Environmental Engineering by Title
Now showing items 470-489 of 781
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Linking Chemical Structure to the Linear and Nonlinear Properties of Asphalt Binders
( US National Research Council , 2024 , Article)The study described in this paper aims to establish the relationship between the chemical composition and rheological properties of asphalt binders in both the linear viscoelastic (LVE) and nonlinear viscoelastic (NLVE) ... -
Literature Review of Advancements in Adaptive Ramp Metering
( Elsevier , 2016 , Conference Paper)Over a period spanning more than 30 years, several ramp metering algorithms have been developed to improve the operation of freeways. Many of these algorithms were deployed in several regions of the world, and field ... -
Locating leaks in water mains using noise loggers
( American Society of Civil Engineers (ASCE) , 2016 , Article)Because of their potential danger to public health, economic loss, environmental damage, and energy waste, underground water pipelines leaks have received more attention globally. Researchers have proposed active leakage ... -
Long-Term Cost Performance of Corrosion-Resistant Reinforcements in Structural Concrete
( Qatar Univesrity Press , 2020 , Conference Paper)Corrosion, which leads to the premature deterioration of reinforced concrete (RC) structures, is increasingly an issue of global concern. Accordingly, corrosion-resistant materials have emerged as alternative reinforcement ... -
Machine Learning-Based Flexural Capacity Prediction of Corroded RC Beams with an Efficient and User-Friendly Tool
( Multidisciplinary Digital Publishing Institute (MDPI) , 2023 , Article)Steel corrosion poses a serious threat to the structural performance of reinforced concrete (RC) structures. Thus, this study evaluates the flexural capacity of RC beams through machine learning (ML)-based techniques with ... -
Machine Learning-Based Respiration Rate and Blood Oxygen Saturation Estimation Using Photoplethysmogram Signals
( MDPI , 2023 , Article)The continuous monitoring of respiratory rate (RR) and oxygen saturation (SpO2) is crucial for patients with cardiac, pulmonary, and surgical conditions. RR and SpO2 are used to assess the effectiveness of lung medications ... -
Machine learning-based shear capacity prediction and reliability analysis of shear-critical RC beams strengthened with inorganic composites
( Elsevier , 2022 , Article)The application of inorganic composites has proven to be an effective strengthening technique for shear-critical reinforced concrete (RC) beams. However, accurate prediction of the shear capacity of RC beams strengthened ... -
Macro-scale direct shear test device for assessing soil-solid interface friction under low effective normal stresses
( ASTM International , 2014 , Article)The paper describes a new macro-scale direct shear test device for assessing the largedisplacement soil/solid interface drained shear strength at low effective normal stresses. The testing method arises from a need to ... -
Magnetic nanoparticles draw solution for forward osmosis: Current status and future challenges in wastewater treatment
( Elsevier , 2022 , Article)Forward osmosis is considered as the least energy intensive membrane process since it operates based on the osmotic pressure gradient. However, it is still considered as immature technology mainly due to the elevated cost ... -
Major Factors Affecting Construction Waste Management in Infrastructure Projects Using Structural Equation Model
( American Society of Civil Engineers , 2022 , Article)The construction industry has grown significantly to fulfill the expanding need for accommodation, facilities, welfare, and services resulting from the rapid increase in the global population. Infrastructure projects in ... -
Management performance assessment: A method of analytic network process
( Success Culture Press , 2019 , Article)The construction industry is considered risky as labor and machinery intense environment interacts with accelerating and overlapping activities. This situation would result in high number of accidents and fatalities. High ... -
Mapping the Industrial Perception of Delay Data Through Importance Rating
( Springer Verlag , 2017 , Article)The construction industry is struggling with several recorded incidents of delay due to improper planning and/or implementation of required construction measures. The common conclusion by many researchers worldwide is that ... -
Marketing Strategies for Smart Buildings
( Qatar University Press , 2023 , Conference Paper)Globally, there is a growing proportion of the need to optimize monitoring and facility management of new and existing built facilities. Smart buildings provide waste reduction to the environment, flexibility to facility ... -
Material performance and cost effectiveness of seawater-mixed rubberized concrete
( Elsevier , 2021 , Article)The combined use of seawater and recycled tire aggregate (RTA) in concrete is potentially a way forward towards sustainable construction. It can help control harvesting of natural aggregates, manage waste tires, mitigate ... -
Measurement of pile uplift forces due to soil heave in expansive clays
( Canadian Science Publishing , 2022 , Article)Piled foundations are widely used to limit the movement of foundations in expansive clays. These piles are subjected to large uplift forces as the clay swells (and downdrag forces when it shrinks). The appropriate method ... -
Measuring construction materials price fluctuation risk
( Canadian Society for Civil Engineering , 2013 , Conference Paper)Construction projects costs are believed to be highly susceptible to a combination of internal and external factors. One of these factors is the prices of construction materials and the risk of their fluctuation. This paper ... -
Mechanical and durability properties of ultra-high performance steel FRC made with discarded materials
( Elsevier , 2021 , Article)This study investigates the mechanical and durability properties of 12 ultra-high performance fiber reinforced concrete (UHPFRC) mixes manufactured using alternate aggregate sources. Natural gabbro aggregates (GA), steel ... -
Mechanical Characteristics and Durability of Concrete Made with Treated Domestic Wastewater and Recycled Concrete Aggregates
( East Carolina University , 2022 , Conference Paper)Massive amounts of fresh water and natural aggregates are annually used for concrete applications, resulting in a rapid depletion of freshwater and natural aggregate resources. This necessitates the need of replacing fresh ... -
Mechanical characteristics of ultra-high performance steel FRC made with recycled concrete aggregates
( American Institute of Physics Inc. , 2023 , Conference Paper)Recycled concrete aggregates (RCA) are increasingly becoming a sustainable alternative to natural aggregate (NA) for concrete applications. This study, therefore, tests the influence of RCA on the fresh and hardened ... -
Methods and Techniques Used in Significant Restoration Projects in Qatar
( Taylor and Francis Ltd. , 2018 , Article)The large number of conservation and restoration works recently completed in Qatar show that there exists a need to enhance appreciation of the local architectural and building traditions, as a way of bringing to light the ...