Browsing by Department "Civil and Environmental Engineering"
Now showing items 81-100 of 107
Optimization of Sediment Basin Configurations
(2023-08-14)
Highway construction projects typically involve the disturbance of existing on-site vegetation, leaving bare soil vulnerable to erosion from environmental factors such as rainfall and wind. Soil erosion caused by precipitation ...
Performance Evaluation of Erosion and Sediment Control Practices
(2023-08-01)
Construction-generated stormwater runoff has the potential to negatively affect receiving water bodies downstream. Not only does eroded soil transport other pollutants, but sediment also remains suspended in water, where ...
Performance Evaluation of Sediment Control Practices
(2023-12-11)
Sediment is a major pollutant of waterways, increasing turbidity, carrying other harmful pollutants, and reducing flow capacity, which can lead to loss of aquatic life and increased risk of flooding. Construction projects, ...
A Performance-based Evaluation of Asphalt Mixtures with High Recycled Asphalt Material Contents and Recycling Agents
(2021-12-15)
It is agreed that the stiffness and rutting resistance of asphalt mixtures containing recycled asphalt material (RAM) increase with increasing their content; however, their cracking resistance and durability decrease due ...
Prediction of Creep and Shrinkage in the I-59/I-20 Segmental Bridge in Birmingham, Alabama
(2023-11-27)
The objective of this research is to accurately predict concrete creep and shrinkage in the I-59/I-20 segmental bridge in Birmingham, Alabama. Concrete samples were collected on four sampling dates throughout the bridge’s ...
Prediction of Structural Health of Pavement Preservation Treated Pavements Using Neural Networks
(2023-05-17)
Structural testing of pavements is required to ensure their strength, durability, and longer service life. Destructive testing methods are less costly but more time-consuming and pose a safety risk for road users and crew ...
Quantifying the Variability of Production of Asphalt Mixtures through newly implemented Performance Tests for the Wisconsin Department of Transportation
(2023-04-24)
This study aims to determine an appropriate standard deviation of Balanced Mix Design performance tests for Wisconsin specifications based on field-produced mixes. Identifying variability is an essential aspect of the ...
Rainfall Simulator Construction and Evaluation of Erosion Control Practices
(2021-12-03)
This thesis addresses the performance of erosion control products using the Auburn University Stormwater Research Facility ASTM D6459 rainfall simulators. Five products were tested for the ALDOT project Evaluation of ALDOT ...
Reliability Analysis of Prestressed Concrete Box Girder Bridges in California
(2021-07-27)
Truck traffic increases day by day according to the economy. Road network infrastructure has to meet this growing demand. This work focuses on prestressed concrete box girder bridges in California, because many signs of ...
Rheological and Chemical Evaluation of Aging Resistant Binder Technologies
(2022-05-02)
Asphalt binder is a dark-colored cementitious hydrocarbon material, with a complex chemical composition that is heavily dependent on crude oil source and manufacturing process. Binder chemistry has been modelled as a ...
The Role of Centralized Wastewater Treatment in the Rural Alabama Black Belt
(2023-05-02)
Centralized and decentralized wastewater treatment systems play a major role in protecting human health and U.S. waters from contamination. However, failing wastewater treatment in the rural Alabama Black Belt has become ...
The Role of Data Analytics in Accelerating Assessments of the Impacts of Per- and Polyfluoroalkyl Substances (PFAS) in Source and Drinking Water
(2022-12-05)
Per- and polyfluoroalkyl substances (PFAS) are a large, diverse, and growing family of persistent, mobile organofluorine compounds that are used for a wide variety of industrial and consumer applications, and that are ...
Role of mineralogy in controlling fracture formation
(2021-04-28)
Geologic CO2 storage systems rely on impermeable caprock layers to prevent fluid leakage and maintain system integrity. In these systems, mineral dissolution and precipitation reactions controlled by the reactivity of the ...
Sequestration of Cadmium Using Stabilized Iron-based Nanoparticles and Removal of Per- and Polyfluoroalkyl Substances Using Ion Exchange Resins and Photo-regenerable Adsorbent
(2021-11-29)
Over years, I have been involved in several research projects that are highly cross-disciplinary. As such, the dissertation encompasses sequestration of cadmium (Cd) in contaminated water and soil using novel stabilized ...
Site Characterization and Modeling Considerations for Slopes Involving Fine Grained Strain-softening Soils
(2021-12-02)
The potential for strength loss in fine grained soils poses a significant hazard for many geotechnical projects. Damage to infrastructure attributed to strain-softening of clayey soils has been documented in many case ...
Soil-Structure Interaction Effects on the Seismic Response of Steel Structures
(2021-07-15)
Significant earthquakes are one of the most damaging events for structures. Much research has been done to mitigate the effect of earthquakes on structures. Soil-structure interaction can have a significant impact on the ...
Spatial Distribution and Mass Transport of Per- and Polyfluoroalkyl Substances (PFAS) in Surface Water Systems
(2022-12-05)
Per- and polyfluoroalkyl substances (PFAS) are a group of nearly 5,000 anthropogenic organic substances produced since the late 1940s. These substances have been used in various consumer products and industrial applications ...
Stochastic Fragment Velocity Analysis of Concrete Masonry Walls under Blast Loading with a Multi Degree of Freedom Model via the Monte Carlo Method
(2024-04-29)
The behavior of concrete masonry unit (CMU) walls under dynamic overpressure loading
where dynamic fracture produces secondary fragments is quite complex. The response of a CMU
wall is influenced by the material properties ...
Structural Integrity of Hasty Aircraft Inflatable Large Shelters (HAILS) Under Wind Loads
(2024-05-03)
Hasty aircraft inflatable large shelters (HAILS) are lightweight, long spanning, cost efficient, easily transported, and easily erected structures. However, these flexible membrane structures are susceptible to large ...
A Study of Driver Behavior at Access Points with Restricted Left Turn Movements: Case Studies in Alabama
(2022-08-02)
Past studies showed that left turn movement at unsignalizd intersection caused over 40% crashes. To improve intersection safety, transportation agencies often use access management strategies to eliminate left turns for ...