Index Catalog // ScholarsArchive@OSU

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

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:: random process f (x,y) with spectral density S 0 (k 1 ,k 2 ) can be derived by logical extension of

Simplified stability assessment for low volume road cut and fill slopes

Creator:: Pratt, Randy C.
Abstract:: Many miles of roads are built in the Pacific Northwest Forests to provide access for logging and fire protection. Logging roads often cross steep mountainous terrain. Logging roads and the associated cut and fill slopes represent a discontinuity in the natural stress state in the soil mantle. These conditions result...
Resource Type:: Masters Thesis
Full Text:: related these theorems to slope stability and bearing capacity analyses. An extension of this work

Evaluation of cold in-place recycling of asphalt conrete pavements in Oregon

Creator:: Scholz, Todd
Abstract:: Significant use of cold in-place recycling (CIR) has occurred in Oregon since 1984 as an alternative to other rehabilitation techniques or to the reconstruction of distressed asphalt concrete (AC) pavements. Due to the initial success of the projects cold recycled during 1984-85, the Oregon Department of Transportation (ODOT) and Oregon...
Resource Type:: Masters Thesis

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:: involve an extension of the use of the methylotrophic GPMS biofilm. The reactor can be operated in either

Evaluating dairy waste management systems ̓influence on fecal coliform concentration in runoff

Creator:: Grismer, Mark Edward
Abstract:: This paper examines the environmental factors influencing the die-off and transport of fecal coliform bacteria present in wastes applied to the land surface. These factors are examined specifically for dairy waste management systems and the net effect each system has on runoff water quality. A model is developed that considers...
Resource Type:: Masters Thesis
Full Text:: 30.5 (100) 35 Krone et al. (1958) aquifer 30.5 (100) Wesner and Baier (1970) sand and gravel 830

Test method to determine the degree of asphalt stripping from aggregates

Creator:: Boudreau, Richard L.
Abstract:: Moisture damage has long been recognized as one of the most critical factors influencing the performance of asphalt concrete (AC) pavements. This moistureinduced damage occurs from either the physical separation of the asphalt film from the aggregate or the softening of the asphalt binder within the AC mixture in the...
Resource Type:: Masters Thesis

Centrifugal modeling to investigate ice forces and ice floe failure mechanisms on a vertical pile

Creator:: Wurst, Philip L.
Resource Type:: Masters Thesis

Ocean wave-soil-geotextile interaction

Creator:: McDougal, W. G. (William George)
Abstract:: Geotextiles are synthetic fabrics which may be substituted for graded aggregate to protect ocean and coastal structures from erosion and soil instability adjacent to the structure. They are commonly used as a filter and as a structural membrane between an undisturbed sediment surface below and an erosion resistant coarse aggregate...
Resource Type:: Dissertation
Full Text:: extension to anisotropic soils is useful since in most sedimentary sea beds the horizontal and vertical

The effect of mixing moisture, oxidative aging and tire pressures on the performance of asphalt mixes

Creator:: Kim, Ok-kee
Abstract:: The research undertaken consisted of the study of three topics affecting the performance of asphalt concrete mixtures, that is, mixing moisture, oxidative aging and higher tire pressures and axle loads. This thesis presents the findings of the research comprising these three topics. In the first study, the effects of mixing...
Resource Type:: Dissertation

ScholarsArchive@OSU

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

Digital simulation of multi-dimensional random processes and its applications

Simplified stability assessment for low volume road cut and fill slopes

Evaluation of cold in-place recycling of asphalt conrete pavements in Oregon

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

Evaluating dairy waste management systems ̓influence on fecal coliform concentration in runoff

Test method to determine the degree of asphalt stripping from aggregates

Centrifugal modeling to investigate ice forces and ice floe failure mechanisms on a vertical pile

Ocean wave-soil-geotextile interaction

The effect of mixing moisture, oxidative aging and tire pressures on the performance of asphalt mixes

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