Civil & Environmental Engineering Masters Theses
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Earthquake-induced inelastic displacement ratio in reinforced concrete box girder bridges in California
(North Dakota State University, 2024)In conventionally designed bridges, the inelastic displacement is estimated using an amplification factor (R_d) suggested by AASHTO which was developed based on Single-Degree-of-Freedom system. This study models the nonlinear ... -
An Investigation of the Kerogen-Mineral Interactions in Green River Oil Shale
(North Dakota State University, 2010)Green River oil shale contains minerals, kerogen, and bitumen and yields a significant amount of oil upon heating. Kerogen is the insoluble organic remains found in sedimentary materials. It is a precursor to crude ... -
Analysis and Evaluation of the Pedestrian Hybrid Beacon in School Zones
(North Dakota State University, 2010)Meeting dual objectives of pedestrian safety and motorist convenience at pedestrian crossings in school zones is an important and continuing challenge for all local communities. Pedestrian safety is influenced by pedestrian ... -
Analyses of Highway Project Construction Risks, Performance, and Contingency
(North Dakota State University, 2010)Past studies have highlighted the importance of risk assessment and management in construction projects and transportation industry, and have identified cost and time as the most important risks that transportation ... -
Durability of Concrete Members Strengthened with CFRP Sheets under Harsh Environmental Conditions
(North Dakota State University, 2010)The deterioration of concrete structures 1s a maJor concern to the infrastructure community. Typical sources of deterioration may include aging,.incrcased service load, and environmental damage. Structural rehabilitation ... -
Modeling and Analysis of Impacts of Right-Tum Lane Lengths
(North Dakota State University, 2010)Tum lanes have been studied for several decades, with focus being on left-tum lanes and for urban areas. The need for right-tum lanes has been studied using the impact of such tum lanes on both safety and operational ... -
Comparisons of Energy Dissipation in Structural Devices with Foundation Soil During Seismic Loading
(North Dakota State University, 2010)The effectiveness of structural energy dissipation mechanisms such as passive energy dissipation devices and base isolation methods used in seismic design depends on their capacity, ductility, energy dissipation, isolation, ... -
Filamentous Growth in Entrapped Microbial Cell Reactor Treating Wastewater
(North Dakota State University, 2010)The overgrowth of filamentous microorganisms in wastewater treatment systems is a common adversary condition leading to foaming, poor sludge settling problems, and reduction in organic removal efficiency. Entrapped ... -
Cumulative-Anticipative Car-Following Model for Enhanced Safety in Autonomous Vehicles
(North Dakota State University, 2020)As the rapid development of smart cities, autonomous vehicles are considered to be the future ground transportation measure which provides many benefits over traditional human-driving vehicles. However, there will be decades ... -
Detection of Two-Dimensional Internal Cracks in Concrete Using Point Strain Sensors
(North Dakota State University, 2020)Tensile cracking in the concrete can destroy the structural frame since it induces water penetration in structure and foundation. For instance, in concrete pavements, cracking increases the potential for pavement distress, ... -
Evaluating the Safety and Mobility of the Cumulative-Anticipative Car-Following Model for Connected Autonomous Vehicles
(North Dakota State University, 2020)The advancements of vehicle automation are progressively improving resulting in safer driving environments in addition to more efficient mobility and fuel cost savings. However, autonomous and connected autonomous vehicles ... -
Investigating the Influences of Ingredients, W/C Ratio and Dispersion Methods for CNT Modified Smart Concrete
(North Dakota State University, 2022)Carbon nanotubes (CNT) have excellent electromechanical properties and can be added into cement using appropriate dispersive means to produce CNT-modified cement-based smart materials (CNTCS). This study investigates how ... -
Quantification of the Influences of Subsurface Uncertainties on Seismic Behavior of Shallow Foundations
(North Dakota State University, 2011)The properties of geomaterials are uncertain. These uncertainties not only affect the dynamic behavior of the geomaterials, but also significantly influence the complex nonlinear dynamics between the soil, foundation, ... -
Time-dependent Behavior of Various FRP Composites for Structural Applications
(North Dakota State University, 2011)This thesis represents the long-term behavior of fiber reinforced polymer (FRP) materials for structural applications. FRP composites consist of high-strength fibers embedded in an epoxy resin. The long-term investigations ... -
Evaluating the Effects of Rail Preemption Strategies on Highway Safety and Operations
(North Dakota State University, 2011)Previous research related to signal preemption near highway-rail grade crossings has emphasized safety considerations, which are paramount due to the severity of potential train-vehicle collisions. The purpose of this ... -
Fracture Initiating Mechanism in Additively Manufactured 17-4 Stainless Steel
(North Dakota State University, 2022)Additive manufacturing provides exceptional geometrical freedom to the designers and enables the production of parts that cannot be made through subtractive processes. Defects in additively manufactured (AM) metals are ... -
Characterization of Mechanical Adhesion Failure in Epoxy Nanocomposites by Acoustic Emission Method
(North Dakota State University, 2021)Polymeric nanocomposite coatings are used to protect metallic components in a variety of civil structures from corrosive agents. The adhesion between a coating and its substrate is not yet fully understood. In this study, ... -
Evaluation of the Causative Factors for Slope Failures in North Dakota
(North Dakota State University, 2021)A large number of landslides with damage to roads and utilities, destruction of property, and flood risks were encountered in North Dakota (ND). Using a correlation matrix, causative factors such as soil salinity, land ... -
Utilization of Granular Activated Carbon Media to Improve Biofiltration for the Purpose of Taste and Odor Removal
(North Dakota State University, 2020)To determine the role biofiltration in organic removal and taste and odor compound removal within the Moorhead Water Treatment Plant, a comparative two-year pilot scale study was initiated to determine the feasibility of ... -
Carboxymethyl Cellulose Surface Treatment Method to Disperse Carbon Nanotubes in Smart Cementitious Materials
(North Dakota State University, 2019)An innovative surface treatment method was proposed using carboxymethyl cellulose (CMC) to surface-treat carbon nanotubes (CNTs) for a consistent dispersion in cementitious materials to achieve high force detection ...
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