Index Catalog // ScholarsArchive@OSU

In situ measurement of the benthal oxygen requirements of tidal flat deposits

Creator:: Crook, Gene Ray
Abstract:: In situ light and dark planktonic and benthal respirometers were used to measure the oxygen requirements of Yaquina estuary water and benthal deposits. Respirometer devices were constructed so that actual conditions of mixing could be simulated and benthal deposit disturbance would be minimized. A mathematical model of a benthal respirometer...
Resource Type:: Masters Thesis

The control and fate of enteric bacteria in the environment with particular emphasis on the factors influencing fecal indicator survival in waste storage facilities

Creator:: Crane, Stuart R.
Abstract:: The indiscriminate release of fecal bacteria to the environment can present a public health hazard when pathogenic species gain access to drinking and recreational water sources. The extent of bacterial contamination of surface and ground waters associated with animal production units and waste application areas seems largely dependent on the...
Resource Type:: Dissertation
Full Text:: bacteria in batch manure storage. Extension of this model to repetitively loaded storages proved less

Climate Change Impacts to Estuarine Hydrodynamics: Tools, Methodologies, and Predictions

Creator:: Parker, Kai A.
Abstract:: Coastal communities in the U.S. Pacific Northwest (PNW) are rapidly engaging with the idea that hazards and environmental pressures are changing and may be characteristically different in the near future. This has led to a need for scientific knowledge and tools that can help coastal communities prepare and build resilience...
Resource Type:: Dissertation

In-plane Creep Behavior of Cross-laminated Timber and Mass Plywood Panels: A Methodology to Evaluate the Long-term Performance of Post-Tensioned Mass Timber Walls

Creator:: Longman, Ryan P.
Abstract:: Post-tensioned (PT) self-centering shear walls were designed to reduce structural damage from seismic activity. However, these lateral force resistant systems experience post-tension loss negatively affecting the re-centering capability due to delayed deformations experienced by engineered wood products over time. The long-term mechanical response of mass-timber panels to in-plane PT loads...
Resource Type:: Masters Thesis

Analysis of conventionally reinforced concrete deck girder bridges for shear

Creator:: Potisuk, Tanarat
Abstract:: Large numbers of 1950's vintage conventionally reinforced concrete (CRC) bridges remain in-service in the national bridge inventory. Many of these bridges are lightly reinforced for shear. Evaluation of these bridges to prevent unnecessary and costly repairs requires refined analytical techniques. This dissertation presents finite element (FE) modeling and comparisons of...
Resource Type:: Dissertation
Full Text:: location (from the face of the su Extension of flexural rebar beyond the not needed poi Flexural rebar

Accuracy, range, and convenience of certain methods and devices used in measurement of irrigation water

Creator:: Neu, Harold Wesley
Resource Type:: Masters Thesis

Experimental investigation of stresses in steel I-beams with rectangular holes in the webs

Creator:: Landers, William Brooks
Resource Type:: Dissertation
Full Text:: light I-beams. Urbana, 1932. (University of Illinois Engineering Experiment Station Bulletin 241) 7

Remote and Ground-based Methods for Monitoring Vegetation Health Parameters in a Bioretention Facility

Creator:: Prettyman, Kery M.
Abstract:: The growing contamination of surface water by stormwater runoff parallels increasing urban development. Heavy metals, polycyclic aromatic hydrocarbons (PAHs), persistent organic pollutants (POPs), and contaminants of emerging concern (CECs) are discharged from point sources and washed from impervious surfaces into surface waters, impacting the ecology of these systems, food supplies,...
Resource Type:: Masters Thesis

Development of the simplified method to evaluate dynamic mechanical analysis data on asphalt-aggregate mixtures

Creator:: Ab-Wahab, Yunus Bin
Abstract:: Testing of asphalt binders and asphalt-aggregate mixtures using dynamic mechanical analysis is becoming popular with improvements in high-speed computers, precision equipment, and computer software. Researchers are trying to describe the behavior of asphalt binders and asphalt-aggregate mixtures in terms of their time- and temperature-dependent linear viscoelastic behavior. The objectives of...
Resource Type:: Dissertation
Full Text:: ). Deformation Simple Shear Bulk Compression Simple Extension' Bulk Longitudinal Relaxation Modulus G(t) K(t) E

Shrinkage and strength of steam cured Haydite masonry unit concrete mixes

Creator:: Peyton, Harold Ray
Resource Type:: Masters Thesis
Full Text:: 8 hrs. Final Cure - Dry 28 Day Compressive Strength 766 psI .5 D- (I) E 0.5 00Li 4

ScholarsArchive@OSU

In situ measurement of the benthal oxygen requirements of tidal flat deposits

The control and fate of enteric bacteria in the environment with particular emphasis on the factors influencing fecal indicator survival in waste storage facilities

Climate Change Impacts to Estuarine Hydrodynamics: Tools, Methodologies, and Predictions

In-plane Creep Behavior of Cross-laminated Timber and Mass Plywood Panels: A Methodology to Evaluate the Long-term Performance of Post-Tensioned Mass Timber Walls

Analysis of conventionally reinforced concrete deck girder bridges for shear

Accuracy, range, and convenience of certain methods and devices used in measurement of irrigation water

Experimental investigation of stresses in steel I-beams with rectangular holes in the webs

Remote and Ground-based Methods for Monitoring Vegetation Health Parameters in a Bioretention Facility

Development of the simplified method to evaluate dynamic mechanical analysis data on asphalt-aggregate mixtures

Shrinkage and strength of steam cured Haydite masonry unit concrete mixes

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