Index Catalog // ScholarsArchive@OSU

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
Full Text:: AN ABSTRACT OF THE THESIS OF Ryan P

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
Full Text:: Simulated Culverts Over an Annual Period by Anna Stewart A THESIS

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

The geochemical partitioning and bioavailability of trace metals in marine sediments

Creator:: Oakley, Stewart M.
Abstract:: Trace metals in the aquatic environment are generally concentrated on the surface of solid geochemical phases which eventually become incorporated into estuarine and marine sediments. The mechanism of trace metal concentration is believed to be adsorption with various geochemical phases such as hydrous metal oxides, clays, and organic matter. Metals...
Resource Type:: Dissertation
Full Text:: trace metals in marine sediments 1 AN ABSTRACT OF THE THESIS OF Stewart M. Oakley for the degree of

Scale effects on reinforced concrete beams strengthened for shear with discrete externally bonded carbon fiber-reinforced polymer U-wraps

Creator:: Dawson, Matthew Ryan
Abstract:: Current ACI design provisions for shear in reinforced concrete (RC) beams strengthened with externally bonded carbon fiber-reinforced polymer (CFRP) U-wraps may not adequately account for the effect of scale. This paper describes tests of 6 geometrically scaled beams to identify possible scale effects of such beams. Results indicated that effective...
Resource Type:: Masters Thesis
Full Text:: THE THESIS OF Matthew Ryan Dawson for the degree of Master of Science in Civil Engineering

Light reflecting characteristics of various pavement surfaces

Creator:: Paxson, Glenn Stewart, 1893-
Resource Type:: Masters Thesis
Full Text:: CHARACTERISTICS OF VARIOUS PAVEMENT SURFACES GLENN STEWART PAXSON A THESIS submitted to the OREGON STATE

Evaluation of finite element techniques for soil reinforcement applications

Creator:: Berg, Ryan Robert
Abstract:: A literature review and a computer study are conducted to identify the requirements of finite element programs for the specific use of discrete analyses of reinforced soil structures. The utility of six commercially available programs are appraised with respect to the identified requirements. The results of the study are directed...
Resource Type:: Masters Thesis
Full Text:: reinforcement applications AN ABSTRACT OF THE THESIS OF Ryan Robert Berg for the degree of Master of Science

Development of a method to elucidate biodegradation pathways of chlorinated one and two carbon compounds using a gas-permeable-membrane-supported methylotrophic biofilm

Creator:: Ryan, Kelly M.
Abstract:: A gas-permeable-membrane-supported (GPMS) biofilm consisting of methylotrophic bacteria was effective in degrading chlorinated methanes, ethanes, and ethenes. The biofilm was developed on a gas-permeable fabric (Goretex, W.L.Gore & Associates, Elkton, Maryland) that divided a reactor vessel into a liquid compartment and a gas compartment. Goretex is a nylon-backed teflon mesh...
Resource Type:: Masters Thesis
Full Text:: methylotrophic biofilm AN ABSTRACT OF THE THESIS OF Kelly M. Ryan for the degree of Master of Science in Civil

Characteristics of jet diffusers for ocean outfalls

Creator:: Ryan, William L.
Resource Type:: Masters Thesis
Full Text:: CHARACTERISTICS 0F JET t)IFFUSERS FOR OCEA OUTFALLS by WILLIAM LEE RYAN A THESIS submitted to OREGON

Assessing the Trade-Off Between Sustainability and Resiliency of Reinforced Concrete Alternatives in Corrosive Conditions: An LCA-System Dynamics Approach

Creator:: Moreno Rangel, Erick D.
Abstract:: Concrete has been categorized as a key contributor of CO2 (carbon) emissions into the atmosphere. This is mostly associated with the production of ordinary portland cement (OPC). The concrete and cement industries are pursuing a path to reduce their carbon emissions generally in accordance with the climate change goals outlined...
Resource Type:: Masters Thesis
Full Text:: Bharadwaj, Dr. Atolo Tuinukuafe, Kevin Ero, Jamie Trohimovic, Ryan Moritz, Regan Campbell, and many great

ScholarsArchive@OSU

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

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

Treatment of activated sludge process effluent by carbon adsorption

The geochemical partitioning and bioavailability of trace metals in marine sediments

Scale effects on reinforced concrete beams strengthened for shear with discrete externally bonded carbon fiber-reinforced polymer U-wraps

Light reflecting characteristics of various pavement surfaces

Evaluation of finite element techniques for soil reinforcement applications

Development of a method to elucidate biodegradation pathways of chlorinated one and two carbon compounds using a gas-permeable-membrane-supported methylotrophic biofilm

Characteristics of jet diffusers for ocean outfalls

Assessing the Trade-Off Between Sustainability and Resiliency of Reinforced Concrete Alternatives in Corrosive Conditions: An LCA-System Dynamics Approach

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