Index Catalog // ScholarsArchive@OSU

New Techniques to Monitor and Characterize Landslide Behavior and Controls Using Digital Terrain Models

Creator:: Senogles, Andrew
Abstract:: Coastal landslides and erosion are major natural hazards resulting in unstable slopes, constituting immense challenges to modern infrastructure. Developing, maintaining, and performing risk assessments of infrastructure on, or close to, these hazards require a detailed understanding of the geophysical processes destabilizing the slope. These efforts start with the collection of...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE DISSERTATION OF Andrew

Electron donor and chlorinated ethene effects on activity and community composition in anaerobic reductively dechlorinating consortia

Creator:: Sabalowsky, Andrew R.
Abstract:: This research focused on anaerobic transformation of trichloroethene (TCE), a groundwater contaminant. The mixed anaerobic Evanite culture (EV) was studied to determine community behavior and composition responses to different electron donors and chloroethene electron acceptors. The potential toxicity from high concentrations of TCE and its daughter product cis-1,2-dichloroethene (cDCE) was...
Resource Type:: Dissertation
Full Text:: DISSERTATION OF Andrew R. Sabalowsky for the degree of Doctor of Philosophy in Civil Engineering

An Experimental and Numerical Investigation of Tall Mechanically Stabilized Earth Walls

Creator:: Strahler, Andrew W.
Abstract:: The implementation and construction of Mechanically Stabilized Earth (MSE) walls has undergone substantial expansions in recent years, owing to its relatively low cost, ease of construction, and high efficiency compared to conventional retaining methods. As a result, MSE walls are being constructed to greater heights with complex features (e.g. multiple...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE DISSERTATION OF Andrew W. Strahler

Depth estimation and frontal imaging via X-band marine radar

Creator:: Honegger, David Andrew
Abstract:: This dissertation focuses on two core aspects of remote sensing: (a) interpretation of the remotely sensed data to identify and characterize sea surface features of interest, and (b) the quantitative analysis of previously characterized features to produce robust estimates of geophysical variables. Specifically, these aspects are addressed in the context...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE DISSERTATION OF David Andrew Honegger for the degree of Doctor of Philosophy in

Blast-induced liquefaction : observational estimation of vibration, settlement and residual pore water pressure

Creator:: Kato, Kengo
Abstract:: The blast technique has been used as an effective soil improvement method to compact loose coarse-granular soils since 1930s, and the use of the blast technique is extended as an application of in-situ liquefaction testing to investigate the performance of full scale foundations and countermeasures against liquefaction in recent decades....
Resource Type:: Dissertation
Full Text:: my committee members, Professor. M. J. Olsen, Professor. Ben Leshchinski, and Professor. A. J

Advancing Spatial Data Engineering and Analysis: Integrative Approaches with GIS, Statistical Modelling, and Deep Learning

Creator:: Krivova, Maria
Abstract:: Geospatial data analysis is a multifaceted discipline encompassing the collection, processing, and visualization of diverse datasets. It models and delineates the interactions of people, objects, and phenomena within geographical spaces and predicts patterns based on the relationships between different locations. Despite significant advancements in geospatial data engineering and analytics over...
Resource Type:: Dissertation
Full Text:: : ______________________________________________________________ Michael J. Olsen

Observations and prediction of intermittent sediment suspension in the surf zone

Creator:: Yoon, Hyun Doug
Abstract:: In this dissertation the interactions between hydrodynamics, sediment suspension and transport, and morphological evolution in the surf zone was investigated with a large-scale laboratory experiment data, CROss-Shore Sediment Transport Experiment (CROSSTEX). The data set included comprehensive measurements of water surface elevation, fluid velocity, sediment concentration, and morphology for irregular waves...
Resource Type:: Dissertation
Full Text:: and Dr. Andrew Meigs (GCR) for serving as my committee. I would also like to thank Dr. Merrick

Effects of substrate interactions, toxicity, and bacterial response during cometabolism of chlorinted solvents by nitrifying bacteria

Creator:: Ely, Roger L.
Abstract:: Cometabolic biodegradation processes, important for bioremediation of hazardous waste sites, are not well understood and have not been modeled thoroughly. Toxic effects and bacterial responses to toxicity may change intracellular enzyme levels, rendering traditional enzyme kinetics models inappropriate. This document presents a novel cometabolic enzyme kinetics model that incorporates enzyme...
Resource Type:: Dissertation
Full Text:: Cometabolism of Chlorinated Solvents by Nitrifying Bacteria. Abstract approved: Kenneth J. Williamson

Investigation of x-ray computed tomography for Portland cement phase quantification

Creator:: Deboodt, Tyler J.
Abstract:: Cementitious materials are often characterized through the use of advanced analytical techniques to understand the macro-, micro-, and nano-scale properties, including phase formation during hydration, and subsequent potential deterioration mechanisms which can affect service life. A major limitation with using such analytical techniques to quantify solid phases in cementitious systems...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE DISSERTATION OF Tyler J

Ultimate and serviceability limit state reliability-based axial capacity of deep foundations

Creator:: Reddy, Seth C.
Abstract:: Deep foundations are necessary for the construction of many structures, such as bridges and buildings, located in areas unsuitable for shallow foundations. Owing to the inherent variability of soil and the complex changes that occur in the soil adjacent to deep foundations as they are installed, the ability to accurately...
Resource Type:: Dissertation
Full Text:: . Tadesse Meskele, Mr. Thomas Keatts, Mr. Peter Fetzer, and Mr. Andrew Strahler, as well as Ms. Jordyn

ScholarsArchive@OSU

New Techniques to Monitor and Characterize Landslide Behavior and Controls Using Digital Terrain Models

Electron donor and chlorinated ethene effects on activity and community composition in anaerobic reductively dechlorinating consortia

An Experimental and Numerical Investigation of Tall Mechanically Stabilized Earth Walls

Depth estimation and frontal imaging via X-band marine radar

Blast-induced liquefaction : observational estimation of vibration, settlement and residual pore water pressure

Advancing Spatial Data Engineering and Analysis: Integrative Approaches with GIS, Statistical Modelling, and Deep Learning

Observations and prediction of intermittent sediment suspension in the surf zone

Effects of substrate interactions, toxicity, and bacterial response during cometabolism of chlorinted solvents by nitrifying bacteria

Investigation of x-ray computed tomography for Portland cement phase quantification

Ultimate and serviceability limit state reliability-based axial capacity of deep foundations

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