Index Catalog // ScholarsArchive@OSU

A preliminary assessment of post-fire dissolved organic carbon concentrations in the McKenzie River basin, Oregon

Creator:: Hyatt, Charles
Abstract:: In recent decades, the occurrence of large, high severity wildfires has increased substantially in many parts of the world, including the western United States. These fires have the potential to impact water quality, aquatic ecosystems, and downstream communities for many decades. As such, it is increasingly important to understand the...
Resource Type:: Honors College Thesis

The impact of powered mobility use on expressive communication development of young children with disabilities

Creator:: Morrison, Zoe
Abstract:: While the use of powered mobility devices for young children with mobility challenges has taken off in recent years following evidence that the use of powered mobility at a young age augments other traditional mobility skill interventions, the research is still limited and focuses on physical impacts more. Recently, the...
Resource Type:: Honors College Thesis

Impact of Classification Algorithms on Modeling Forest Ground from Point Clouds

Creator:: Heine, Carver
Abstract:: Projects in forestry and civil engineering depend on accurate information, which is often acquired through remote sensing techniques. One of the remote sensing technologies that has gained importance in the last decade is light detection and ranging (lidar), which describes the surveyed area with 3D points, presented as point clouds....
Resource Type:: Honors College Thesis

Post-Earthquake Performance Assessment of Steel Strongback Braced Frames

Creator:: Rhoades, Katharine
Abstract:: Traditional braced frames are an efficient and economic means of resisting seismic demands. However, braced frames are prone to story mechanisms, which can result in concentrations of demands and damage during seismic events. Including steel strongbacks in conjunction with traditional braced frames can mitigate story mechanisms. The SBF results in...
Resource Type:: Honors College Thesis

Alternate Methods for the Extraction and Measurement of Pore Solution in Fresh Concrete

Creator:: Biever, Joseph
Abstract:: Knowledge of the pore solution composition and pore solution resistivity can be helpful for determining the durability of concrete structures. Most notably, pore solution resistivity can be used in the calculation of the formation factor of concrete, which is a ratio of the electrical resistivities of concrete and its pore...
Resource Type:: Honors College Thesis

Sustainability of Concrete in the Pacific Northwest

Creator:: Chaimov, Hilary
Abstract:: Reducing the CO2 emitted by the production of cement can greatly reduce the carbon emissions attributable to the built industry. By specifying concrete mixes with lower global warming potentials (GWPs), structural engineers can reduce the carbon emissions of concrete used in the built industry. This thesis uses a cradle-to-gate life...
Resource Type:: Honors College Thesis

Limit Equilibrium-Based Assessment of the Internal Stability of Geosynthetic Reinforced Soil Structures Subject to Seismicity

Creator:: Loving, Carly K.
Abstract:: Design of Geosynthetic-Reinforced Soil Structures (GRSS) require sufficient rear pullout anchoring capacity in order to maintain internal stability. Length requirements are amplified when reinforcement coverage ratios or seismicity is considered, potentially resulting in uneconomical GRSS design lengths. This study describes the influence of reinforcement length, coverage ratio, and pseudostatic seismic...
Resource Type:: Honors College Thesis

Preliminary deployment and evaluation of geophone sensors for monitoring wave activity: GeoMoteShield

Creator:: Lathrop, Eve
Abstract:: This study focuses specifically on the investigation of a new, inexpensive geophone system and its application to monitor wave activity. Studies of seismic observations of coastal cliffs suggest that ground motions generated from local ocean waves may provide a surrogate to limited wave buoy data to quantify the wave contact...
Resource Type:: Honors College Thesis

Improving Braced Frame Modeling Application

Creator:: Groshong, Corey
Abstract:: This work analyzes the numerical curvature of buckling braces. An existing brace modeling learning tool, which in its current state allows users to change the inputs within a simulated model of a braced element, was modified to display the curvature diagram. The curvature diagram was verified through comparison to existing...
Resource Type:: Honors College Thesis

Devising Theatre: Experience as Art

Creator:: Parham, Anne A
Abstract:: Any work of literature is a product of its time revealing truths about its culture. My thesis explores how pre-selected inspiration, personal experiences, and current events play a role in the devising process of a script. The inspiration for this particular devised play is Letters to a Young Poet by...
Resource Type:: Honors College Thesis

Streambed scour and redeposition behavior in streambed simulated culverts over an annual period

Creator:: Stewart, Anna
Abstract:: The objective of this study was to provide first order observations of bed level changes occurring in streambed simulated culverts throughout an annual period. To accomplish this, 30 culvert sites were selected in Oregon and Washington, and monitored over, at least, a 2 year period. Streambed scour and redeposition data...
Resource Type:: Honors College Thesis

Numerical investigation of aggregate trench-reinforced clay ground improvement to increase bearing capacity of continuous strip foundations

Creator:: Walter, Jakob R.
Abstract:: Compacted aggregate trenches are a method of soil improvement that could be substituted for commonly used aggregate piers in certain geometrical arrangements of shallow foundations. However, this type of ground improvement has little research to support the understanding of their contribution to improved strength of an unimproved clay soil. This...
Resource Type:: Honors College Thesis

Implications of Red Signal Countdown Timers on Visual Attention of Oregon Drivers

Creator:: Wyman, Amy A.
Abstract:: Red Signal Countdown Timers (RSCTs) are devices placed at intersections to inform drivers of the time remaining on a red indication before it turns green, typically to improve intersection efficiency. This study examines the visual attention of Oregon drivers to circular red (CR) indications with RSCTs as compared to standard...
Resource Type:: Honors College Thesis

Optimizing bonding conditions for cross laminated timber (CLT) panels using low density hybrid poplar

Creator:: Weidman, Aaron
Abstract:: Cross Laminated Timber (CLT) technology has been growing in the EU and Canada since the early 1990's and utilizes the mechanical properties of structural grade lumber to create a strong panel product for use in floor, ceiling and wall systems. The hypothesis of this project was that CLT panels made...
Resource Type:: Honors College Thesis

Influence of Texting on Driver Glance Patterns and Vehicular Lane Position on Horizontal Curves

Creator:: Ellett, Makenzie A.
Abstract:: The use of in-vehicle technologies, such as mobile phones, while driving has proliferated in recent years. Most notably, drivers are using mobile phones to send and receive text messages while operating a vehicle with increasing frequency. The act of texting while driving poses a significant threat not only to the...
Resource Type:: Honors College Thesis

Geotechnical characterization and drained shear strength of a limestone aggregate

Creator:: Knierim, Christina D.
Abstract:: Aggregate piers are a method of ground improvement used to increase the strength and bearing capacity of the native geological soils for the support of new civil infrastructure. The understanding of the bearing failure mechanism of aggregate piers remains largely unstudied. The effects of design variables in the failure mechanisms...
Resource Type:: Honors College Thesis

The philosophies of leadership, management, and authority : how they’re different, and why we so often get it wrong

Creator:: Sundberg, Benjamin J.
Abstract:: Recent studies have shown that there is a significant amount of dissatisfaction and stress associated with finances, job security, and work. There are many health related consequences that manifest in response to this continual stress that we experience in our professional lives. These include obesity, high blood pressure, high cholesterol,...
Resource Type:: Honors College Thesis

Visual Search Patterns and Behavior of Left Turning Bicyclists at Roadway Intersections: A Field Study

Creator:: Burns, Patrick O.
Abstract:: This research effort considers bicyclist’s left-turn behavior at roadway intersections with varying levels of traffic control; specifically, seeking to address the question where do bicyclists look to acquire information. A demographic comparison was made to determine if factors such as gender or experience influence the nature of how a bicyclist...
Resource Type:: Honors College Thesis

Modeling and Finite Element Analysis of a Standard Concrete Canoe

Creator:: Stache, Stephanie S.
Abstract:: This thesis project provides a guiding framework for the structural analysis portion of the National Concrete Canoe Competition (NCCC). Step-by-step instructions on how to 3-dimensionally model a “standard” sized concrete canoe in AutoCAD Civil 3D, import the model into SAP2000, and proceed to analyze the canoe with the SAP2000 finite...
Resource Type:: Honors College Thesis

Finding a Place for Wood in Non-Residential Design: LEED vs. Green Globes Certification

Creator:: Henderson, Jordan M.
Abstract:: For centuries wood has served as a primary structural building material in small dwelling, large communal structures, bridges, and temporary structures. Even today wood is the dominant material in residential construction. Despite this long standing use of wood, non-residential multi-story construction in light of the green building revolution has yet...
Resource Type:: Honors College Thesis

Sustainable Design Programs in the United States and Chile

Creator:: D'Acci, Hana
Abstract:: The purpose of this thesis is to examine and compare sustainable design methods used in the United States and Chile, focusing on sustainable materials and certification programs, to see if sustainable design methods used in the United States can be implemented in Chile to further its sustainable development. Through literature...
Resource Type:: Honors College Thesis

The Location of the Neutral Axis in Wood Beams with Multiple Knots

Creator:: Voigt, Levi R.
Abstract:: In a homogenous and isotropic material, the location of the neutral axis coincides with the location of the centroid of the beam. Wood is anisotropic, meaning that it has different properties in different directions. It is also non-homogenous, meaning that the beam exhibits different properties at different locations throughout its...
Resource Type:: Honors College Thesis

The Effects of Debris Loading on the Performance of a Tsunami Evacuation Building for Life Safety

Creator:: Snyder, Snyder
Abstract:: In recent years, tsunami events have caused great devastation and loss of life around the globe. The coast of Oregon is highly vulnerable to a nearfield tsunami event caused by a Cascadia Subduction Zone earthquake, yet lacks a clear plan for evacuation and disaster mitigation. Vertical evacuation is a proposed...
Resource Type:: Honors College Thesis

Carbonation of Mid-Twentieth Century Reinforced Concrete Bridges in Oregon

Creator:: Folkestad, Jill Louise
Abstract:: Carbonation of Carbon is of concern for reinforced concrete bridges. While long-term environmental deterioration of structures is unavoidable, protective design allows a structure to fulfill its service life without any significant serviceability or strength loss due to deterioration. Understanding the process of concrete carbonation and the effect it has on...
Resource Type:: Honors College Thesis

An Examination of the Neutral Axis of Wood Beams

Creator:: Davis, Phillip M.
Abstract:: For wood beams, it is often assumed that the neutral axis is located at the centroid of the beam. The neutral axis of isotropic, homogeneous materials is located at the centroid of the material, but wood is neither isotropic nor homogeneous. The varying grain patterns and knots located throughout wood...
Resource Type:: Honors College Thesis

Selection of hotels: Is the sustainability of a building more important than its aesthetic appearance?

Creator:: Chan, Lina
Abstract:: This study explores the influence that the sustainability of hotels has on the choice of hotels. Because of recent concern about global warming and reducing energy consumption, many designers are planning sustainable buildings. But often attractiveness is sacrificed for the goal of making a building sustain in its environment. The...
Resource Type:: Honors College Thesis

Commercial Motor Vehicle Safety Belt Usage in Oregon

Creator:: Cowgill, Brett Thomas
Abstract:: In ¬¬¬¬2009 the Federal Motor Vehicle Safety Administration (FMCSA) conducted the “Safety Belt Usage by Commercial Motor Vehicle Drivers Survey” for the National Highway Traffic Safety Administration (NHTSA). The survey found that, nationally, 74% of commercial truck drivers wear their safety belts at all times. In the western region of...
Resource Type:: Honors College Thesis

The Effectiveness of Red Light Cameras In Washington and Oregon

Creator:: Bradbury, Kate Elise
Abstract:: This study considered collision data for Seattle, Washington and Portland, Oregon in order to determine whether or not red light cameras are effective in reducing red light running collisions. Red light running is extremely dangerous and is a leading cause of urban automobile collisions in the United States. Red light...
Resource Type:: Honors College Thesis

Simple Moving Averages: A Ten-Year Test

Creator:: Wilder, Eric M.
Abstract:: The intent of this thesi s is to prove whether or not simple moving averages can be used to predict the future price performance of stocks and outperform the buy-and-hold method of investing in the stock market. The importance of this research is that if moving averages can predict future...
Resource Type:: Honors College Thesis

Strength and Composition of Willamette Valley Cob: An Earthen Building Material

Creator:: Pullen, Quinn M.
Abstract:: Cob is an earthen building material composed of sand, clay and straw. Though cob homes are presently being built in the Pacific Northwest, there is no applicable building code for this material. The purpose of this study is to establish estimates for the major engineering parameters, including both average values...
Resource Type:: Honors College Thesis

Common Factors that Affect Aesthetics in Bridge Design

Creator:: Coe, Jennifer J.
Abstract:: Aesthetics should be emphasized as much as possible in a design project without exceeding scope, budget, or schedule to satisfy the stakeholders involved. There is a rising trend of increased emphasis on aesthetics. This trend of using various techniques to help structures blend in or contribute to the surrounding environment...
Resource Type:: Honors College Thesis

Investigation, analysis and design of an experiment to test ponding loads on flexible roof systems

Creator:: Stark, Duncan
Abstract:: While damages due to ponding are common and expensive, provisions for design and construction of flat roof systems lack guidance regarding these loads. The goal of this research is to present methods of designing or building flat roofs that are less vulnerable to this condition. An investigation of the literature,...
Resource Type:: Honors College Thesis

Driving Past the Jargon: Designing Multimedia Devices to Clarify Transportation Engineering Concepts

Creator:: Rogge, Angela Anne
Abstract:: The educational environment is filled with different types of students, all with diverse learning styles. The Meyers-Briggs Type Indicator and Kolb’s Theory of Experiential Learning are generally accepted methods for determining and assessing a person’s preferred method of information processing. There has been research that suggests learning styles are specific...
Resource Type:: Honors College Thesis

Efficiency of bioswales in positively effecting storm water quality

Creator:: Grenz, Natalie S.
Abstract:: Because of the increased need for sustainable construction in an ever urbanizing culture, new sustainable drainage systems are being developed and implemented. Bioswales are becoming an increasingly popular form of sustainable urban drainage used for parking lots and subdivisions. But little is known regarding the effectiveness of bioswales in really...
Resource Type:: Honors College Thesis

Efficiency of bioswales in positively effecting storm water quality

Creator:: Grenz, Natalie S.
Abstract:: Because of the increased need for sustainable construction in an ever urbanizing culture, new sustainable drainage systems are being developed and implemented. Bioswales are becoming an increasingly popular form of sustainable urban drainage used for parking lots and subdivisions. But little is known regarding the effectiveness of bioswales in really...
Resource Type:: Honors College Thesis

Safety Audits: A Comparison of Traditional Safety Audits to the Interactive Highway Safety Design Model

Creator:: Houghton, Tegan Marie
Abstract:: In the United States there are currently two different options for providing safety audits to roadway projects. Traditional audits can be conducted using procedures similar to those in the United Kingdom, or those similar to Australia and New Zealand (Austroads). Another option for conducting safety audits is to use the...
Resource Type:: Honors College Thesis

Location of the neutral axis in wood beams

Creator:: Holm, Sarah C.
Abstract:: It is commonly accepted that for the analysis of wood beams, the neutral axis coincides with the centroid of the beam. Although this assumption is used in analysis, wood is not an isotropic material, as it has different elastic properties in the tangential, radial and longitudinal directions, nor is it...
Resource Type:: Honors College Thesis

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