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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Evaluating the Costs and Benefits of Implementing a MARTA Youth Fare
(Georgia Institute of Technology, 2020-12-10)Unlike many transit systems in the United States, the Metropolitan Atlanta Rapid Transit Authority (MARTA) does not offer a discounted youth fare. Such a fare policy creates a financial disincentive to choosing transit for ... -
Optimization of The Scaled-Up Coaxial-Electrode Copper Ionization Cell for Water Disinfection
(Georgia Institute of Technology, 2020-12-09)Over 800 million people worldwide lack access to clean, uncontaminated drinking water, and over 1.1 million people in America lack a piped water connection. The public health consequences of this issue have been worsened ... -
The Future of Streets in an Age of Pandemics
(Georgia Institute of Technology, 2020-12-08)There is not a place unaffected by the Covid-19 pandemic. In response to the pandemic, with its recommended public health social distancing guidelines of six feet, city transportation agencies have repurposed street space ... -
NEAR-TERM AND LONG-TERM CARBON DIOXIDE SEQUESTRATION POTENTIAL IN THE UNITED STATES USING BIO-ENERGY WITH CARBON CAPTURE AND STORAGE
(Georgia Institute of Technology, 2020-12-07)According to the special report titled “Global Warming of 1.5C” by the Intergovernmental Panel on Climate Change (IPCC) in 2018, the world must achieve carbon neutrality by 2050 in order to limit the rise in mean global ... -
Extending the Lifespan of Reinforced Concrete Bridge Decks: Historical Analysis, Modeling, and Improved Contracting
(Georgia Institute of Technology, 2020-12-09)Bridges are vital to the safe and efficient conveyance of people and goods around the world. For this reason they are considered critical structures. Despite their importance to society, bridges are often compromised by a ... -
A Survey to Model Demand for an Air Taxi Airport Shuttle
(Georgia Institute of Technology, 2020-12-06)In this paper, I present details of a survey designed to estimate air travelers’ willingness to pay for electric vertical take-off and landing (eVTOL) flights in urban areas in the United States for the purpose of traveling ... -
PCIM: Deep Learning-Based Point Cloud Information Modeling Framework
(Georgia Institute of Technology, 2020-12-02)Although building information modeling (BIM) has been widely used in entire construction projects for data exchange between stakeholders, it sometimes rarely represents the current state of the construction sites because ... -
Infrastructure network enhancement inspired by nature
(Georgia Institute of Technology, 2020-11-19)The construction of subsurface cavities is pertinent to a wide range of applications all the way from in-situ testing to large transportation tunnels, including horizontal directional drills, micro-tunnels, geothermal ... -
Seismic assessment and dynamic testing of reinforced concrete frames retrofitted with a shape-memory alloy brace system
(Georgia Institute of Technology, 2020-08-12)Seismic risk assessments have estimated the economic and life-safety impact of a large magnitude earthquake in the US New Madrid Seismic Zone at over $300 billion and close to 100,000 casualties, respectively. Seismic ... -
MODELING OF ACOUSTIC NONLINEARITY CHANGE IN CONCRETE DUE TO MICROCRACKS PARTIALLY FILLED WITH ALCALI SILICA REACTION (ASR) GEL
(Georgia Institute of Technology, 2020-08-12)Alkali silica reaction (ASR) is a complex, multi-scale chemomechanical process which can lead to the expansion and damage of concrete structures by forming microcracks, gradually reducing the structure’s mechanical properties ... -
Proposal and analysis of a non-collinear wave mixing technique for the detection of micro-cracks using phased arrays
(Georgia Institute of Technology, 2020-08-12)In this thesis, a new ultrasonic measurement setup for the detection of micro-scale damage in cement based materials is proposed and analyzed. The idea is to use the nonlinear phenomenon of wave mixing to characterize third ... -
Design of passive micromixers in microfluidic systems: a computational study
(Georgia Institute of Technology, 2020-08-10)Passive micromixers are miniaturized mixing devices that are employed in microfluidic systems to mix two or more fluids utilizing the energy in the flow system in microchannels. In passive micromixers, fluid mixing arises ... -
Exploring the Applicability of Detached Breakwaters to Prevent Ephemeral Inlets in Norton Point Beach, Chappaquiddick Island, MA
(Georgia Institute of Technology, 2020-08-21)Norton Point Beach connects the two halves of Martha's Vineyard, Massachusetts, but it has breached repeatedly in the past, allowing severe erosion of Wasque Point and disrupting transportation. Attempting to predict the ... -
Stochastic approaches for quantification of near- and long-term structural reliability
(Georgia Institute of Technology, 2019-11-12)The quantification of structural reliability is an important problem in civil engineering, affecting decisions in design, maintenance, retrofit, and rehabilitation of structures. As structural monitoring data increases, ... -
Estimating the Health Risks Posed by Intermittent Water Supply Using Quantitative Microbial Risk Assessment
(Georgia Institute of Technology, 2019-11-12)Intermittent water supply (IWS) is a prevalent deficiency in piped water supplies. Microbiological and epidemiological evidence indicates that in some contexts IWS is associated with increased levels of fecal contamination ... -
Multi-scale analyses of granular flows for disaster resilience enhancement
(Georgia Institute of Technology, 2019-11-12)A study that overlaps the fundamentals of granular flows with human responses to disasters at the community or regional scale is considered to be a strategic approach that advances existing methods in natural and human-induced ... -
A spatial and temporal 3D slab-based methodology for optimized concrete pavement asset management
(Georgia Institute of Technology, 2019-11-12)Management of cracking in jointed plain concrete (JPC) pavement assets is currently monitored at the Federal level using a value of percent transverse cracked slabs per 0.1 mile. This indicator does not provide sufficient ... -
Fundamental Understanding of NOx Sequestration Capacity And Pathways in Nano-TiO2 Engineered Cementitious Materials
(Georgia Institute of Technology, 2019-11-12)The ubiquity of concrete in the urban environment and the upscaling of nanomaterial production have prompted interest in the incorporation of titania (TiO2) nanoparticles into cementitious materials. Air purification by ... -
Toward the Service-Life Design of Cementitious Materials In Freeze-Thaw Environments: Novel Models, Specifications, and Evaluation Methods
(Georgia Institute of Technology, 2019-10-31)In order to design the service-life of cementitious materials in freeze-thaw environments, advancements in the engineering sciences, analytics, on-site evaluations techniques, and durability specifications must be connected ... -
Simultaneous Input and State Estimation through a Unifying MMSE Framework with Applications in Structural Dynamics
(Georgia Institute of Technology, 2019-08-27)This research investigates simultaneous input-state estimation for stochastic linear systems in the presence of unknown input or disturbance. When prior knowledge of the unknown input is not available, an input-state ...
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