Index Catalog // ScholarsArchive@OSU

Analysis of thermal fatigue distress of asphalt concrete pavements

Creator:: Jackson, N. Mike (Nathaniel Michael)
Abstract:: Thermal cracking of asphalt concrete pavements is responsible for millions of dollars in annual maintenance and rehabilitation costs in the United States and Canada. Thermal cracking is typically associated with low temperatures in northern climates and at high elevations. However, another form of thermal cracking, known as thermal fatigue cracking,...
Resource Type:: Dissertation
Full Text:: under constant rate of extension (DTT), and the Direct Tensile Creep Test (DTCT). The TSRST results

A study of the coagulation of kraft effluent by sea water

Creator:: Andrews, Ben Neal
Abstract:: The coagulation of effluent from the kraft pulping and papermaking process was investigated. The amount of material coagulated from saline mixtures of the effluent is determined as a function of time, salinity, kraft effluent concentration, and mixture pH. Individual sources of salinity include sea water and several different solutions of...
Resource Type:: Masters Thesis
Full Text:: ._ -- - -------- Mean Std, Dev. 466 31 COD = mg/1 770 464 459 414 506 486 516* 117* Percent of Std,Recovered

Nonlinear oscillations, bifurcations and chaos in ocean mooring systems

Creator:: Gottlieb, Oded
Abstract:: Complex nonlinear and chaotic responses have been recently observed in various compliant ocean systems. These systems are characterized by a nonlinear mooring restoring force and a coupled fluid-structure interaction exciting force. A general class of ocean mooring system models is formulated by incorporating a variable mooring configuration and the exact...
Resource Type:: Dissertation

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

Prediction of monthly streamflows for Oregon coastal basins using physiographic and meteorological parameters

Creator:: Orwig, Charles Edwin
Abstract:: Prediction equations were developed for estimating the flow regime at ungaged stream locations in the Oregon coastal range. Principal components analysis was used to screen the initial data set of physiographic and meteorological parameters. The final regression equations for predicting mean monthly flow had standard errors of estimate ranging from...
Resource Type:: Masters Thesis
Full Text:: drainage length is defined as the maximum stream dis tance between the gaging station and the extension

Seismic assessment of unreinforced and retrofitted masonry buildings using Applied Element Method (AEM)

Creator:: Soti, Rajendra
Abstract:: A significant number of Unreinforced Masonry (URM) buildings exist in the Pacific Northwest region of the United States of America that is a region of high seismicity, which could be subjected to both crustal and subduction zone earthquakes. The catastrophic and brittle failures associated with URM buildings in the past...
Resource Type:: Dissertation

Wave forces on a horizontal circular cylinder near a plane boundary

Creator:: Wright, James Christopher
Resource Type:: Masters Thesis

Inhibition, kinetic and modeling studies of acetylene and 1-chloro-1-fluoroethene on reductive dechlorination of TCE and vinyl chloride

Creator:: Pon, George
Abstract:: Laboratory and modeling studies were performed with a mixed-anaerobic-culture obtained from the Evanite site in Corvallis, Oregon. The culture completely transforms trichloroethene (TCE) to cis-dichloroethene (c-DCE), vinyl chloride (VC), and finally to ethene. Acetylene inhibition studies were used to examine the culture's microbial activities. Kinetic studies determined the half-saturated constant...
Resource Type:: Dissertation
Full Text:: . 31. Macgregor, A. N.; Keeney, D. R. Water Resources Bulletin. 1973, 9, 1153. 32. Knowles, R. Applied

Remote Sensing of Nearshore Hydrodynamic and Morphodynamic Processes

Creator:: O'Dea, Annika M.
Abstract:: The use of remote sensing techniques in coastal science and engineering has rapidly increased in the past few decades. This dissertation outlines new remote sensing tools using two remote sensing technologies (lidar and X-band marine radar) along with two nearshore hydrodynamic and morphodynamic analyses supported or motivated by these remote...
Resource Type:: Dissertation

ScholarsArchive@OSU

Analysis of thermal fatigue distress of asphalt concrete pavements

A study of the coagulation of kraft effluent by sea water

Nonlinear oscillations, bifurcations and chaos in ocean mooring systems

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

Prediction of monthly streamflows for Oregon coastal basins using physiographic and meteorological parameters

Seismic assessment of unreinforced and retrofitted masonry buildings using Applied Element Method (AEM)

Wave forces on a horizontal circular cylinder near a plane boundary

Inhibition, kinetic and modeling studies of acetylene and 1-chloro-1-fluoroethene on reductive dechlorination of TCE and vinyl chloride

Remote Sensing of Nearshore Hydrodynamic and Morphodynamic Processes

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