Index Catalog // ScholarsArchive@OSU

Enhancing Design of Geosynthetic-Reinforced Soil Supporting Spread Footings

Creator:: Xie, Yonggui
Abstract:: Internal stability of Geosynthetic-Reinforced Soil (GRS) walls are conventionally assessed using lateral earth pressure methods. Determination of these pressures is a key component of limit state design as it enables determination of mobilized resisting forces in reinforcements needed to ensure stability and function of the GRS structure. However, conventional methods...
Resource Type:: Dissertation
Full Text:: Han, Dr. Armin W. Stuedlein, Dr. T. Matthew Evens and Dr. Chih-hung (Alex) Chang (GCR) for their

Subducting Seamounts and Heceta Bank: An Amphibious Seismic Tomography Experiment of the Central Oregon Forearc

Creator:: Nolan, Sarah
Abstract:: Studies reveal differences in slip segmentation and plate coupling along the Cascadia subduction zone. The segment between 44.0°N and 45.0°N exhibited reduced slip in the 1700 megathrust earthquake (Wang et al., 2013) and corresponds with previous rupture boundaries inferred from paleoseismic data (Leonard et al., 2010). Notably, this segment of...
Resource Type:: Masters Thesis
Full Text:: ACKNOWLEDGEMENTS For the valuable feedback on my thesis I would like to thank Armin Stuedlein and Frank Tepley

Impact of Hot Isostatic Pressing Parameters on Interface Evolution in Uranium Molybdenum Monolithic Plate Fuel

Creator:: Koziol, Adam
Abstract:: The monolithic (plate type) Uranium 10 wt.\% Molybdenum (U-10Mo) fuel system is promising for a variety of applications, most notably for the replacement of highly enriched uranium (HEU) fuels with low enriched uranium (LEU) fuel in United State High Performance Research Reactors (U.S. HPRRs). Phase transformations and secondary phase formation...
Resource Type:: Masters Thesis

Engineering Behavior of Remolded Diatomaceous Silts

Creator:: Pitso, Talenta
Abstract:: Diatomaceous soils are a geological material whose engineering properties do not readily conform to the widely accepted and used mechanical and behavioral frameworks. This ambiguity results in design difficulties and geotechnical failures which can be costly. Diatomaceous soils have diatoms in their matrix. Diatoms are unicellular algae with an inert...
Resource Type:: Capstone Project

Seismic Performance of Retrofitted Reinforced Concrete Columns Including Soil Structure Interaction

Creator:: Parson, Lance
Abstract:: There are many existing bridges around the world that were designed without consideration for seismic effects. Many of these bridges were designed before modern earthquake engineering design standards and practices existed and thus are expected to perform poorly during strong ground shaking. Common structural deficiencies are found in their reinforced...
Resource Type:: Masters Thesis
Full Text:: . Armin Stuedlein, Dr. Erica Fischer, and Dr. Abigail Tomasek for their service and participation on my

Improving Region-Scale Landslide Inventory and Susceptibility Mapping

Creator:: Bunn, Michael D.
Abstract:: Landslides are a natural hazard that have major societal, economic, and environmental impacts. The understanding of landslides begins with the observation that they are a spatial problem. Spatial relationships have historically been explored with maps, and landslides are no different. Such maps range in focus from inventory maps, which identify...
Resource Type:: Dissertation

Unsaturated Soils and Foundation Design : Theoretical Considerations for an Effective Stress Framework

Creator:: Baker, Josiah D.
Abstract:: This study presents the theoretical background necessary to model the bearing capacity of shallow and deep foundations in partially saturated soils. The conventional bearing capacity equations for shallow and deep foundations and the 𝛽-method for deep foundation side resistance have been modified to include the effects of matric suction and...
Resource Type:: Masters Thesis

Distribution of Live Biomass, Herbivory and Foliar Retention in Central Oregon Lodgepole Pine (Pinus contorta ssp. murrayana) Crowns

Creator:: Burke, Adam O.
Abstract:: Lodgepole pine (Pinus conorta) is a widely distributed forest type across western North America. Central Oregon lodgepole pine forests are ecologically unique when compared to other lodgepole pine ecosystems. Sierra lodgepole pine (Pinus contorta ssp. murrayana) is the dominant variety and often exists as the climax species on pumice soils,...
Resource Type:: Masters Thesis

Numerical simulation of mechanically stabilized earth walls for parametric evaluation of behavior under surcharge loading

Creator:: Ambauen, Spencer J.
Abstract:: A numerical model, simulating the complex behavior of reinforced soil walls using the finite element method, was developed to evaluate the behavior of a surcharged, geosynthetic-reinforced retaining wall with modular block facing. A nonlinear elastic-plastic constitutive soil material model was calibrated to experimental plane strain test data, while the performance...
Resource Type:: Masters Thesis
Full Text:: . Ben Mason, Dr. Armin W. Stuedlein, and Dr. Devlin Montfort (GCR) for their support. Also, special

Behavioral thresholds in mixtures of sand and clay

Creator:: Simpson, Daniel Corder
Abstract:: Nearly all soils are comprised of mixtures of coarse and fine particles. Behavior under mechanical and thermal loading of soil is strongly influenced (and in some cases, governed) by the ratio of coarse to fine particles. A better understanding of the fundamental behavior of soil mixtures will provide insight to...
Resource Type:: Masters Thesis
Full Text:: committee of Dr. Ben Mason, Dr. Armin Stuedlein, and Dr. Devlin Montfort for providing feedback to improve

ScholarsArchive@OSU

Enhancing Design of Geosynthetic-Reinforced Soil Supporting Spread Footings

Subducting Seamounts and Heceta Bank: An Amphibious Seismic Tomography Experiment of the Central Oregon Forearc

Impact of Hot Isostatic Pressing Parameters on Interface Evolution in Uranium Molybdenum Monolithic Plate Fuel

Engineering Behavior of Remolded Diatomaceous Silts

Seismic Performance of Retrofitted Reinforced Concrete Columns Including Soil Structure Interaction

Improving Region-Scale Landslide Inventory and Susceptibility Mapping

Unsaturated Soils and Foundation Design : Theoretical Considerations for an Effective Stress Framework

Distribution of Live Biomass, Herbivory and Foliar Retention in Central Oregon Lodgepole Pine (Pinus contorta ssp. murrayana) Crowns

Numerical simulation of mechanically stabilized earth walls for parametric evaluation of behavior under surcharge loading

Behavioral thresholds in mixtures of sand and clay

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