Civil and Environmental Engineering: Recent submissions
Now showing items 321-340 of 869
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Experimental Investigation on the Flexural Capacity of Reinforced Concrete Beams with Treated Wastewater and Recycled Concrete Aggregates
( Qatar University Press , 2023 , Conference)Eco-friendly concrete is the most recommended sustainable option to reduce the excessive diminution of concrete natural resources and the high generation of greenhouse gas emissions. Therefore, the present study explores ... -
Data Interpretation Framework for Pile Thermal Integrity Testing
( Qatar University Press , 2023 , Conference)Given the inherent nature of how deep cast in-situ concrete foundations (piles and diaphragm walls) are constructed, evaluating their integrity is difficult. Several well-established methods for testing integrity have been ... -
Bio-Based Self-Healing Concrete for Sustainable and Durable Concrete Infrastructure
( Qatar University Press , 2023 , Conference)In this study, bio-self-healing concrete was manufactured using a natural phenomenon called microbial-induced calcium carbonate precipitation (MICP). The bacillus cereus bacteria isolated from Qatari soil was used for this ... -
Performance of Mild Steel and Corrosion-Resistant Steel Rebars in Chloride-Contaminated Concrete
( Qatar University Press , 2023 , Conference)Reinforced concrete (RC) infrastructure in Arabian Peninsula is subjected to harsh climatic conditions of high temperatures, humidity, and airborne chlorides and there is a high concentration of salts in seawater and soils. ... -
Assessment of Aesthetic Control in Qatar’s Urban Design
( Qatar University Press , 2023 , Conference)Aesthetic control is concerned with the visual appearance of the built environment, specifically in the urban setting. The built environment aesthetics can directly influence place identity, property values and the business ... -
Exploring Crowd Management and Evacuation Strategies using Microscopic Pedestrian Simulation: A Case Study of Souq Waqif
( Qatar University Press , 2023 , Conference)Safe egress plans are critical for crowd evacuation at touristic attractions, particularly during special events, as visitors are often unaware of their options. Identification of bottlenecks in the walking spaces are vital ... -
Developing sustainable draw solute for forward osmosis process using poly(amidoamine) dendrimer coated magnetic nanoparticles
( Elsevier B.V. , 2023 , Article)Forward osmosis is the least energy intensive water treatment membrane process, however, designing a sustainable draw solute is still a critical research necessity. In this work, we developed Poly(amidoamine) dendrimer ... -
How Can Collaborative Circular Economy Practices in Modular Construction Help Fédération Internationale de Football Association World Cup Qatar 2022 to Achieve Its Quest for Sustainable Development and Ecological Systems?
( Frontiers , 2021 , Article)Embarking on the World Cup journey with circular collaborative strategies can positively impact the environment and socioeconomic outcomes to prosper development at the center of sustainability. World Cup mega-events are ... -
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 ... -
Aberrant driving behaviors as mediators in the relationship between driving anger patterns and crashes among taxi drivers: An investigation in a complex cultural context
( Taylor & Francis , 2023 , Article)Objective: Taxis have become an integrated component of Qatar’s urban transportation network due to their convenience, comfort, and flexibility. Qatar has seen an uptick in the demand for professional taxi drivers. Most ... -
The Optimal Configuration of Wave Energy Conversions Respective to the Nearshore Wave Energy Potential
( MDPI , 2022 , Article Review)Ocean energy is one potential renewable energy alternative to fossil fuels that has a more significant power generation due to its better predictability and availability. In order to harness this source, wave energy ... -
Pore-scale simulation of fine particles migration in porous media using coupled CFD-DEM
( Elsevier , 2022 , Article)Transport of fine particles in porous media has attracted a considerable interest over the past several decades given its importance to many industrial and natural processes. In order to control fine particles transport ... -
Fines effect on gas flow in sandy sediments using μCT and pore networks
( Elsevier , 2022 , Article)Gas production from hydrate-bearing sediments requires methane dissociation, which induces two-phase gas flow, mobilizing fine clay particles from within saturated pores. Fines migration within sandy sediments results in ... -
New model for estimating geometric tortuosity of variably saturated porous media using 3D synchrotron microcomputed tomography imaging
( John Wiley and Sons Inc , 2021 , Article)Tortuosity has a significantimpact on flow and transport characteristics of porous media and plays a major role in many applications such as enhanced oil recovery, contaminant transport in aquifers, and fuel cells. Most ... -
Release of colloids in saturated porous media under transient hydro-chemical conditions: A pore-scale study
( Elsevier , 2021 , Article)The deposition and consequent release of colloids pose a significant challenge to the environment, groundwater quality and human health. Subsurface soil contains numerous types of colloids that exhibit a diverse range of ... -
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 ... -
Effects of soaking process on CH4-CO2 replacement efficiency for hydrate-bearing sediments
( Elsevier , 2021 , Article)CH4-CO2 replacement method has the advantages of sequestering carbon dioxide and sediment stability compared to other methods such as depressurization and thermal stimulation. However, the production efficiency using CH4-CO2 ... -
Bioinspired modeling and biogeography-based optimization of electrocoagulation parameters for enhanced heavy metal removal
( Elsevier , 2022 , Article)Electrocoagulation is an effective wastewater treatment process for the removal of heavy metals. This study focuses on deriving optimal conditions for removing heavy metals, viz. Lead (Pb), Cobalt (Co), and Manganese (Mn) ... -
LiDAR based hydro-conditioned hydrological modeling for enhancing precise conservation practice placement in agricultural watersheds
( Springer Science and Business Media B.V. , 2022 , Article)High resolution Light Detection and Ranging (LiDAR)-derived Digital Elevation Models (DEMs) improve hydrologic modeling and aid in identifying the targeted locations of best conservation practices (CPs) in agricultural ... -
Discrepancy in the Critical State Void Ratio of Poorly Graded Sand due to Shear Strain Localization
( American Society of Civil Engineers (ASCE) , 2020 , Article)The critical state (CS) concept is a theoretical framework that models the constitutive behavior of soils, including sand and other granular materials. It supports the notion of a unique postfailure state, where the soil ...
