Index Catalog // ScholarsArchive@OSU

Hybrid Survey Networks : Combining Real-time and Static GNSS Observations for Optimizing Height Modernization

Creator:: Weaver, Brian Jerald
Abstract:: To derive ellipsoid heights on passive marks with cm-level accuracy, many current specifications require the collection and adjustment of long-duration, static Global Navigation Satellite System (GNSS) sessions. To increase efficiency, a survey procedure that includes real-time kinematic vectors from a real-time GNSS network (RTN) was evaluated. Thirty different “hybrid” networks...
Resource Type:: Masters Thesis
Full Text:: : __________________________________________________________________ Daniel T. Gillins To derive ellipsoid heights on passive marks with cm-level accuracy, many

Bridge Damage State Detection Based on Strain-Based Wireless Structural Health Monitoring

Creator:: Slaven, Kelli R.
Abstract:: The Pacific Northwest is at risk for significant seismic and tsunami events, which are capable of severely damaging lifeline transportation infrastructure, particularly bridges. As the bridges in the United States age and begin to show signs of fatigue, the risk for severe damage increases. Proper monitoring and inspection of bridges...
Resource Type:: Masters Thesis
Full Text:: : ______________________________________________________ Daniel J. Borello The Pacific Northwest is at risk for significant seismic and tsunami

Experimental and numerical modeling of wave height attenuation by emergent coastal vegetation

Creator:: Blackmar, Philip James
Abstract:: Coastal vegetation dampens waves which can provide benefits to the local area, but existing literature shows large variations in the degree of wave height attenuation depending on plant properties and wave conditions. Better knowledge of how to predict the wave height decay accurately in different types of vegetation may help...
Resource Type:: Masters Thesis
Full Text:: by Emergent Coastal Vegetation AN ABSTRACT OF THE THESIS OF Philip James Blackmar

Probabilistic Geospatial Analyses, Uncertainty Modeling, and Mapping of Seismically-induced Ground Failures

Creator:: Sharifi Mood, Mahyar
Abstract:: Ground failures, in particular landsliding, liquefaction and lateral spreading can be triggered by seismic sources. The frequency, magnitude, and impact of these ground failures are highly dependent on the topography and geology of the site including its slope, depositional environment, and geotechnical properties as well as the proximity of the...
Resource Type:: Dissertation
Full Text:: : ________________________________________________________________________________________ Michael J. Olsen Daniel T

Radon-222 as an in situ partitioning tracer for quantifying nonaqueous phase liquid (NAPL) saturations in the subsurface

Creator:: Davis, Brian M.
Abstract:: This study investigated the use of radon-222 as an in situ partitioning tracer for quantifying nonaqueous phase liquid (NAPL) saturations in the subsurface. Laboratory physical aquifer models (PAMs), field experiments, and numerical simulations were used to investigate radon partitioning in static (no-flow) experiments and in single-well, 'push-pull' tests conducted in...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE DISSERTATION OF Brian M. Davis for the

Power Output Calculations for an Array of Point-absorber Wave Energy Converters

Creator:: García-Castaño, Manuel
Abstract:: This study presents a methodology for power take off (PTO) forecasting for an array of heave wave energy converters (WECs). Based on spectral data obtained directly from the National Data Buoy Center, representative realistic sea states are generated at the location of the WECs, and by using two wave-structure interaction...
Resource Type:: Masters Thesis
Full Text:: constant positivity. I am also thankful to the rest of my committee members, Dr. Daniel Cox, Dr. Merrick

Treatment of activated sludge process effluent by carbon adsorption

Creator:: Davis, Stewart Lee
Abstract:: An evaluation of the service time of an activated carbon adsorption column and the organic carbon removal efficiency treating activated sludge process effluent was completed at aerator detention times of three, five, and ten hours. Parameters used for evaluation of treatment were biochemical oxygen demand, chemical oxygen demand, total organic...
Resource Type:: Masters Thesis
Full Text:: adsorption AN ABSTRACT OF THE THESIS OF Stewart Lee Davis (Name of student) in Civil Engineering

Photo-elastic analysis of a pier section of the Bonneville Dam

Creator:: Eberhart, Howard Davis
Resource Type:: Masters Thesis
Full Text:: DAVIS EBERHART A THESIS submitted to the OREGON STATE AGRICULTURAL COLLEGE in partial

Evaluation of the Performance of Lateral Spread Displacement Empirical Models for Subduction Zone Earthquake Case Histories

Creator:: Bunn, Michael
Abstract:: Lateral spread is a pervasive type of liquefaction-induced ground failure that occurs on gentle slopes or near free-faces, such as river channels. Resulting horizontal displacements can reach up to several meters, and can be considerably damaging to foundations, bridges, roadways, pipelines, etc. In the 1990s, Bartlett and Youd (1992a, 1995)...
Resource Type:: Masters Thesis
Full Text:: Abstract approved: ______________________________________________________ Daniel T. Gillins Lateral

Numerical assessment of steel plate shear wall with coupling (SPSW-WC) system design procedure

Creator:: Li, Wennan
Abstract:: The Steel Plate Shear Wall (SPSW) system, is an innovative seismic lateral force resistant system, which has experienced increased use over the last three decades. The SPSW system is composed of boundary elements which anchor web plates that develop diagonal tension fields. A number of SPSW buildings have been built...
Resource Type:: Masters Thesis
Full Text:: way. Foremost, I must express my deepest gratitude to my thesis advisor, Professor Dr. Daniel James

ScholarsArchive@OSU

Hybrid Survey Networks : Combining Real-time and Static GNSS Observations for Optimizing Height Modernization

Bridge Damage State Detection Based on Strain-Based Wireless Structural Health Monitoring

Experimental and numerical modeling of wave height attenuation by emergent coastal vegetation

Probabilistic Geospatial Analyses, Uncertainty Modeling, and Mapping of Seismically-induced Ground Failures

Radon-222 as an in situ partitioning tracer for quantifying nonaqueous phase liquid (NAPL) saturations in the subsurface

Power Output Calculations for an Array of Point-absorber Wave Energy Converters

Treatment of activated sludge process effluent by carbon adsorption

Photo-elastic analysis of a pier section of the Bonneville Dam

Evaluation of the Performance of Lateral Spread Displacement Empirical Models for Subduction Zone Earthquake Case Histories

Numerical assessment of steel plate shear wall with coupling (SPSW-WC) system design procedure

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