Index Catalog // ScholarsArchive@OSU

Evaluation of the torsion test for determining the shear strength of structural lumber

Creator:: Heck, Leanne Renee
Abstract:: The torsion test was evaluated as a method for determining the shear strength of full-size structural lumber. The evaluation involved an experimental length study, an experimental depth study, and a finite element study. The length study consisted of fifty nominal 2x4 specimens, ten specimens for each length, and ten American...
Resource Type:: Masters Thesis
Full Text:: specimen used in testing the shear strength of structural lumber 69 4.5 Schematic of the torsion machine

An evaluation of coastal Oregon's marginal aggregates

Creator:: Clemmons, Gregory H.
Abstract:: Coastal Oregon is deficient in quality construction aggregates. There is, however, an abundance of lower quality, or marginal, aggregate available for construction purposes. An evaluation of these marginal aggregates is the purpose of this paper. There are four classes of marginal rocks found on the Oregon Coast. Basalts, high in...
Resource Type:: Masters Thesis
Full Text:: Plastic Strain (in/in x 10-3) after 35,000 Loading Repe- titions at a 1 = 35 psi and a 3 10 psi 69 18

Stability of gravel at artificially created spawning beds in uncontrolled streams

Creator:: Helland-Hansen, Erik Andreas
Abstract:: Twenty-five gabion-type structures across the main stem and tributaries of the Siuslaw River in the Oregon Coastal Range, installed to expand the available spawning area for fish, were investigated for their ability to perform gravel control functions such as trapping bedload carried by the stream or holding gravel placed behind...
Resource Type:: Masters Thesis
Full Text:: Scour and channelized flow through gravel beds, Grenshaw Creek 69 18 Schematic diagram of research

Digital simulation of multi-dimensional random processes and its applications

Creator:: Ahn, Gil Soo
Abstract:: This dissertation introduces a method which can simulate multi-dimensional Gaussian random processes by the superposition of sine functions The fast Fourier transform technique is incorporated into the simulating method to facilitate saving of computer time. In view of the fact that the fast Fourier transform play important roles in digital...
Resource Type:: Dissertation
Full Text:: Spectrum wind generated waves 69 18 Simulation of wave velocity and acceleration by Eq. 116 71 19

Aerobic cometabolism of chlorinated aliphatic hydrocarbons by a butane-grown mixed culture : transformation abilities, kinetics and inhibition

Creator:: Kim, Young
Resource Type:: Dissertation
Full Text:: MATERIALS AND METHODS ............................................................. 69 A Butane-Utilizing

Development of a mechanistic overlay design procedure for flexible pavements

Creator:: Zhou, Haiping
Abstract:: This dissertation describes the development of a mechanistic overlay design procedure. The mechanistic analysis represents a new trend in both new pavement and overlay design. The greatest advantage of the mechanistic pavement analysis is that it considers the fundamental characteristics of materials to be used, is capable of considering changes...
Resource Type:: Dissertation

Pollution and tidal flushing predictions for Oregon's estuaries

Creator:: Choi, Byungho
Abstract:: The overriding goal of this study was to provide first order estimates of dilution and tidal flushing of waste discharges released hypothetically into various Oregon estuaries during critical low flows and tides. Causal relationships between discharged wastes and subsequent estuarine response were studied. Various approaches to determine the assimilative capacity...
Resource Type:: Masters Thesis
Full Text:: Thoxnann's Model 69 Flushing Times in a Marina 84 IV CONCLUSIONS AND RECOMMENDATIONS 89 BIBLIOGRAPHY 94

Response of equipment in resilient-friction base isolated structures subjected to ground motion

Creator:: Lei, Kai-ming
Abstract:: The response of lightweight equipment in structures supported on resilient-friction-base isolators (R-FBI) subjected to harmonic ground motion and various earthquake ground motions is examined. The equipment-structure base system is modeled as a three degree-of-freedom discrete system (SDOF subsystems). An efficient semi-analytical numerical solution procedure for the determination of equipment response...
Resource Type:: Dissertation
Full Text:: ratio (Taft S69E) 68 28 Effect of structure damping on response versus period ratio (Pacoima Sl6E) 69

Cometabolic degradation of polycyclic aromatic hydrocarbons (PAHs) and aromatic ethers by phenol- and ammonia-oxidizing bacteria

Creator:: Chang, Soon Woong
Abstract:: Cometabolic biodegradation processes are potentially useful for the bioremediation of hazardous waste sites. In this study the potential application of phenol-oxidizing and nitrifying bacteria as "priming biocatalysts" was examined in the degradation of polycyclic aromatic hydrocarbons (PAHs), aryl ethers, and aromatic ethers. We observed that a phenol-oxidizing Pseudomonas strain cometabolically...
Resource Type:: Dissertation

Cable dynamics in an ocean environment

Creator:: Tuah, Hang
Abstract:: The nonlinear dynamic analysis of cable and cable-large body systems subject to both deterministic and non-deterministic loading is presented in this study. Nonlinearities occur due to large displacements, material nonlinearity, lack of stiffness in compression, and the non-conservative fluid loading. A finite element model is used to model the cable...
Resource Type:: Dissertation

ScholarsArchive@OSU

Evaluation of the torsion test for determining the shear strength of structural lumber

An evaluation of coastal Oregon's marginal aggregates

Stability of gravel at artificially created spawning beds in uncontrolled streams

Digital simulation of multi-dimensional random processes and its applications

Aerobic cometabolism of chlorinated aliphatic hydrocarbons by a butane-grown mixed culture : transformation abilities, kinetics and inhibition

Development of a mechanistic overlay design procedure for flexible pavements

Pollution and tidal flushing predictions for Oregon's estuaries

Response of equipment in resilient-friction base isolated structures subjected to ground motion

Cometabolic degradation of polycyclic aromatic hydrocarbons (PAHs) and aromatic ethers by phenol- and ammonia-oxidizing bacteria

Cable dynamics in an ocean environment

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