School of Civil and Environmental Engineering Theses and Dissertations
Original work in partial fulfillment of a graduate degree in the School of Civil and Environmental Engineering
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Recent Submissions
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Erosion analysis of coarse and fine grained sediments native to the state of Georgia
(Georgia Institute of Technology, 2016-12-15)Sediment erosion in aquatic environments plays an important role in the design of bridges and other hydraulic structures with regard to scour, contaminant transport, and preservation of ecological systems. Erosion is the ... -
Meeting off-grid transportation energy needs: A resource evaluation model for a solar vortex power generation system
(Georgia Institute of Technology, 2016-11-17)The transportation sector is responsible for 27 percent of overall greenhouse gas emissions (GHG), and this is due to a heavy reliance on petroleum-based fuels. Therefore, electrification of transportation is desired to ... -
Referential and spatial evolutions in nonlinear elasticity
(Georgia Institute of Technology, 2016-11-17)In this PhD thesis, we propose a theoretical framework for studying referential and spatial evolutions in nonlinear elasticity. We use the referential evolution-- considering an evolving reference configuration-- to formulate ... -
Neighborhood racial composition, neighborhood wealth, and the surrounding food environment in metro Atlanta area
(Georgia Institute of Technology, 2016-12-08)Inequalities in accessibility to food outlets might be associated with the disproportionate burden of obesity among minority and low income communities. While a large body of literatures has focused on the disparities in ... -
A method for generating simplified finite element models for electrical cabinets
(Georgia Institute of Technology, 2016-11-07)An electrical switchboard cabinet is one of the essential pieces of equipment in an electrical distribution system running from a power plant to important facilities such as hospitals. The cabinet houses electrical devices, ... -
Behavior Response of an Alpine Lake Copepod to Thin Layer Structure
(Georgia Institute of Technology, 2016-10-12)The objective of this study is to determine for the alpine copepod Hesperodiaptomus shoshone whether a) the species responds to hydromechanical cues in a manner similar to marine copepods, and b) if shear strain rate is ... -
Urban Transit Mode Comparison and Selection
(Georgia Institute of Technology, 2016-08-30)The motivation behind this research is to support more informed decision making when it comes to transit mode selection, to help cities and communities thrive. In this thesis, a variety of innovative and conventional transit ... -
Nonlinear Resonance Ultrasonic Spectroscopy for Characterizing Thermal Damage in 17-4PH Stainless Steel
(Georgia Institute of Technology, 2016-08-30)Nonlinear resonance ultrasonic spectroscopy (NRUS) has been widely used to determine the hysteretic nonlinearity parameter, alpha for mesoscopic elastic materials. The current research adopts the NRUS to characterize ... -
Numerical analysis of intragrain precipitate influence on the linear scattering behavior
(Georgia Institute of Technology, 2016-08-31)Nondestructive evaluation using ultrasonic waves is commonly used to experimentally probe for the presence of defects (i.e. dislocations, precipitates, cracks) in complex metallic microstructures. Such defects and abnormalities ... -
Identification of Optimum Aggregate Gradation for Transportation Applications of Multiaxial Geogrids
(Georgia Institute of Technology, 2016-08-26)The stabilizing effect of multiaxial geogrids on aggregate materials is largely influenced by the morphological properties of the aggregate, such as its size, angularity, and surface roughness, and the overall aggregate ... -
Investigation of the shear-strength of built-up I-section members
(Georgia Institute of Technology, 2016-08-25)This research aims to explain the mechanisms of development of shear strength in built-up I-section members having stiffened and unstiffened webs, with emphasis on the behavior for cases with widely-spaced transverse ... -
Modeling and Understanding the Implications of Future Truck Technology Scenarios for Performance-Based Freight Corridor Planning
(Georgia Institute of Technology, 2016-08-18)Autonomous highway vehicles are coming. The question regarding this technology has shifted from “if” to “when”. Many advocates predict that autonomous trucks, in particular, will be commercially available within the next ... -
Evaluation of Sensitization in Stainless Steel 304 and 304L Using Nonlinear Rayleigh Waves
(Georgia Institute of Technology, 2016-08-15)Austenitic stainless steels have a wide range of applications in the energy industry, but the corrosion resistance of these stainless steels can be reduced by sensitization, which is the formation of chromium carbide ... -
Optimal Ramp Metering of Freeway Corridors
(Georgia Institute of Technology, 2015-11-19)Ramp meters have been used for congestion management on freeways since the 1960s to maximize freeway capacity by controlling on-ramp flows. Traditionally, the focus has been to develop rule-based algorithms and optimal ... -
Understanding the Role of Materials in the Durability of Prestressed Concrete in Marine Environments
(Georgia Institute of Technology, 2015-11-12)The durability of prestressed concrete structures in marine environments is of increasing concern. Traditionally, emphasis of research on this topic has been placed on the chloride diffusivity and permeability of the cement ... -
Implications of hybrid decentralized energy systems composed of solar photovoltaics and combined cooling, heating and power systems within olarge urban regions
(Georgia Institute of Technology, 2015-08-25)Urban regions play a major role in the global economy and are responsible for a majority of the earth’s resource consumption. Water and energy are the two main growth limiting resources of an urban region and are highly ... -
Utilization of Eucalyptus Pulp Fibers in Cementitious Materials
(Georgia Institute of Technology, 2014-08-25)While the use of eucalyptus fibers in the paper industry is common practice, their use in construction materials has only recently attracted considerable interest with increasing demand for alternative, renewable, and ... -
Integration of air quality data for improved estimates of PM2.5 source impacts
(Georgia Institute of Technology, 2016-07-19)Human exposure to air pollution is a known risk factor for the development or worsening of diseases and increased mortality. Traditionally, air quality data availability for health analyses are spatially and temporally ... -
Towards electronic structure calculations at the Exascale
(Georgia Institute of Technology, 2016-07-14)Development of new materials needs better understanding of the behavior of materials at nanoscale which involves accurate simulation of atomic and electronic interactions. Electronic structure is especially important when ... -
Efficient large-scale real-space electronic structure calculations
(Georgia Institute of Technology, 2016-07-14)Calculations involving the electronic structure of matter provides valuable insight in understanding and predicting a wide range of materials properties. Over the course of the last few decades, Density Functional Theory ...
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