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:: Turkan, and Esther J. Baas. Chapter 3 was developed from the Numerical modeling of in-plane creep

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

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

Fate of ammonia volatilized from a confinement livestock facility

Creator:: Hoffman, Eldon Randall
Abstract:: A conceptual model was developed to further the understanding of the evolution and fate of volatilized ammonia in the atmosphere. Recent trends in livestock rearing have been toward confinement facilities in which high animal concentrations are maintained. One of the impacts of these facilities has been increased local concentrations of...
Resource Type:: Masters Thesis
Full Text:: leadership demonstrated by Dr. J. Ronald Miner is tremendously ap- preciated, and I want to thank him for

Determination of equilibrium partial pressure of ammonia gas above anaerobically digested sewage sludge

Creator:: English, Charles Joseph
Abstract:: A laboratory study of anaerobically digested sewage sludge was performed to measure equilibrium constants for ammonia in the sludge. Measured constants describing the solution and dissociation of ammonia in sludge were compared to theoretical constants obtained from thermodynamic data. No significant difference was found between these two sets of constants....
Resource Type:: Masters Thesis
Full Text:: Abstract approved: Redacted for privacy Dr. J. R. MiAer A laboratory study of anaerobically digested

Hybridized framing to modify load paths and enhance wood shearwall performance

Creator:: Bultena, Sarah M.
Abstract:: Heavy timber framing relies primarily on bracing to withstand lateral loads due to earthquakes and wind events. Bracing configurations in heavy timber framed buildings vary widely and include cross bracing, knee bracing, and other geometries. Many heavy timber frames constructed during colonial American times are still standing, exceeding the expected...
Resource Type:: Masters Thesis
Full Text:: approved: ______________________________________________________________ Robert J. Leichti

A torsional investigation of a concrete I grider

Creator:: Martin, Roy Charles
Abstract:: This paper investigates a particular bridge construction technique which could result in a significant torsional moment. The structural member under consideration is a prestressed concrete girder for which no torsional consideration is made. Torsional shear stresses can be adequately approximated for an I-shaped girder. Laboratory model tests were performed to...
Resource Type:: Masters Thesis
Full Text:: Code. Proceedings (Journal) of the American Concrete Institute 56:591-618. Cowan, Henry J. and Stewart

An investigation of the feasibility of a cutbank slope design method based on the analysis of natural slopes

Creator:: Keener, Quentin Roosevelt
Abstract:: The failure of cutbanks is a major problem encountered by those who construct low-cost roads in naturally forested residual soils. Attempts have been made to lessen the severity of failures by classifying certain soil areas as to their susceptibility to failure, in addition to bringing past design experience into play...
Resource Type:: Masters Thesis
Full Text:: . Douglas Swanson, Dr. Larry Hendrickson, and Mr. John Stewart are to be thanked. Thanks is also extended

Wood materials and shearwalls of older light-frame residential structures

Creator:: Carroll, Cameron T.
Abstract:: Light-frame construction practices and materials have changed greatly over the past 100 years. Contemporary research has focused on modern construction; thus, we know a great deal about the behavior of modern lightframe buildings under lateral forces. However, there are many light-frame buildings that were built prior to the introduction of...
Resource Type:: Masters Thesis
Full Text:: Robert J. Leichti Light-frame construction practices and materials have changed greatly over the

Effect of variable roof thickness on fallout protection and seismic forces in multistory structures

Creator:: Boyles, Thomas Victor
Abstract:: Development of long-range nuclear weapons in recent years and the subsequent threat of nuclear war has led to an increased awareness of the need for civilian protection. Adequate shelter design can provide substantial protection against delayed radioactive fallout. Protection can generally be greatly increased by more massive roof construction to...
Resource Type:: Masters Thesis
Full Text:: major professor, Thomas J. McClellan, who provided guidance and many suggestions during the writing of

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

Treatment of activated sludge process effluent by carbon adsorption

Light reflecting characteristics of various pavement surfaces

Fate of ammonia volatilized from a confinement livestock facility

Determination of equilibrium partial pressure of ammonia gas above anaerobically digested sewage sludge

Hybridized framing to modify load paths and enhance wood shearwall performance

A torsional investigation of a concrete I grider

An investigation of the feasibility of a cutbank slope design method based on the analysis of natural slopes

Wood materials and shearwalls of older light-frame residential structures

Effect of variable roof thickness on fallout protection and seismic forces in multistory structures

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