Index Catalog // ScholarsArchive@OSU

Shear strengthening reinforced concrete bridge girders using near-surface mounted titanium alloy bars

Creator:: Knudtsen, Jonathan
Abstract:: Aging and deficient infrastructure has become a major problem throughout the world. This is particularly evident in the case of reinforced concrete (RC) bridges. The cost of replacing these bridges is often prohibitive, thus engineers must find ways to strengthen them. Many older RC bridges predate the modern understanding of...
Resource Type:: Masters Thesis
Full Text:: . Abstract approved: _________________________________________________________ Christopher C. Higgins

Local scale spatial and temporal variation in wet deposition of persistent organic pollutants by snow

Creator:: Walsh, Christopher D.
Abstract:: The objective of this research was to assess the variability of POP deposition by snow on a 10 km spatial scale by measuring the POP concentrations in fresh-fallen snow from remote alpine sites. Samples of pre-metamorphic snow were concurrently collected from three remote alpine sites, of matched altitude and exposure,...
Resource Type:: Dissertation
Full Text:: Christopher D. Walsh for the degree of Doctor of Philosophy in Chemistry presented on May 23, 2014

Procarbazone-sodium effect on rotational crops and its dissipation

Creator:: Al-Sayagh, Khalid Faraj
Resource Type:: Dissertation
Full Text:: , Daniel A. Ball, Jennifer Field, V. Van Volk, and Christopher Mundt for serving on my graduate committee

Response Sensitivity Formulations for Geometrically Nonlinear Finite Element Analysis

Creator:: Al-Aukaily, Alabbas
Abstract:: Significant amounts of uncertainty owing to both modeling decisions and inherent randomness are present in simulating the material and geometric nonlinear response of structural systems to extreme loading. Computing the sensitivity of structural response with respect to model parameters indicates which parameters have the largest affect on the response, which...
Resource Type:: Dissertation
Full Text:: parameters in a structural model, accurate and efficient response sensitivity computations, or gradients of

The Influence of Engineered Surface Coatings on Nanoparticle Aggregation and Corona Formation: Examinations in Simulated and Real Aquatic Media

Creator:: Surette, Mark C.
Abstract:: Engineered nanomaterials (ENMs) are small anthropogenic colloids with at least one length dimension <100 nanometers. Due to the nature of their use, ENMs are being increasingly released to the environment. Yet the environmental risks posed by ENMs are unknown due to a variety challenges, including limitations with detecting and quantifying...
Resource Type:: Dissertation
Full Text:: Aquatic Media by Mark Christopher Surette A DISSERTATION submitted to Oregon

Prediction and Measurement of Polycyclic Aromatic Hydrocarbons (PAHs) Transformation Products in the Environment.

Creator:: Titaley, Ivan A.
Abstract:: Polycyclic aromatic hydrocarbons (PAHs) are a group of environmental contaminants consisting of fused benzene rings. Parent-PAHs, methylated-PAHs (MPAHs), and PAHs with molecular weight of 302 a.m.u (MW302-PAHs) are considered as unsubstituted-PAHs. These unsubstituted-PAHs undergo transformation reactions resulting in the formation of PAH-transformation products (PAH-TPs), or substituted-PAHs, including nitrated-, oxygenated-, and...
Resource Type:: Dissertation
Full Text:: Ivan A. Titaley for the degree of Doctor of Philosophy in Chemistry presented on September 5, 2017

Experimental and theoretical analysis of radial porosity in a monodisperse sphere packing

Creator:: Nakamoto, Nathan
Abstract:: This thesis presents an experimental study of radial porosity in a manually filled cylindrical container with glass spheres. The symmetric distribution of bead diameter allowed for normalization of container properties and porosity models. The aspect ratio of the container was approximately 3.9, with tube-to-particle-diameter ratio λ ≈ 24.6 and height-to-particle-diameter...
Resource Type:: Masters Thesis
Full Text:: and Theoretical Analysis of Radial Porosity in a Monodisperse Sphere Packing This thesis presents an

Utilization of the Zebrafish Model for Investigating Nitrated Polycyclic Aromatic Hydrocarbon Developmental Toxicity

Creator:: Chlebowski, Anna C.
Abstract:: Polycyclic aromatic hydrocarbons (PAHs) are among the most widely known and studied environmental contaminants, originating from a range of natural and anthropogenic sources. PAHs are known to occur in the environment as complex mixtures, containing both unsubstituted PAHs, as well as a range of PAH derivatives. Among the less-studied of...
Resource Type:: Dissertation
Full Text:: contaminants, originating from a range of natural and anthropogenic sources. PAHs are known to occur in the

Rheological Techniques in Characterization and Aiding in the Modification of Soft Matter

Creator:: Daalkhaijav, Uranbileg
Abstract:: Soft matter encapsulates a large array of materials ranging from electronics, plastics, and cosmetics to the biofluids making up all organisms. One of the most important properties of these materials that dictate their functionality is their rheology, which is the flow and deformation behavior in response to stress. The focus...
Resource Type:: Dissertation
Full Text:: Yiğit Mengüç Soft matter encapsulates a large array of materials ranging from electronics

Identification, Quantification, and Risk Assessment of Polycyclic Aromatic Hydrocarbons and their Derivatives in Soil after Steam Enhanced Extraction

Creator:: Santiago Delgado, Lisandra
Abstract:: Polycyclic aromatic hydrocarbons (PAHs) are environmental contaminants produced mainly from the incomplete combustion and pyrolysis of organic matter. PAHs are among the major contaminants at over 800 Superfund sites, nationwide. Thermal remediation is used as a method to remediate soils contaminated with PAHs through the use of heat to mobilize...
Resource Type:: Masters Thesis
Full Text:: contaminants at over 800 Superfund sites, nationwide. Thermal remediation is used as a method to remediate

ScholarsArchive@OSU

Shear strengthening reinforced concrete bridge girders using near-surface mounted titanium alloy bars

Local scale spatial and temporal variation in wet deposition of persistent organic pollutants by snow

Procarbazone-sodium effect on rotational crops and its dissipation

Response Sensitivity Formulations for Geometrically Nonlinear Finite Element Analysis

The Influence of Engineered Surface Coatings on Nanoparticle Aggregation and Corona Formation: Examinations in Simulated and Real Aquatic Media

Prediction and Measurement of Polycyclic Aromatic Hydrocarbons (PAHs) Transformation Products in the Environment.

Experimental and theoretical analysis of radial porosity in a monodisperse sphere packing

Utilization of the Zebrafish Model for Investigating Nitrated Polycyclic Aromatic Hydrocarbon Developmental Toxicity

Rheological Techniques in Characterization and Aiding in the Modification of Soft Matter

Identification, Quantification, and Risk Assessment of Polycyclic Aromatic Hydrocarbons and their Derivatives in Soil after Steam Enhanced Extraction

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