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Filtering by: Creator Johnson, Colin P. Remove constraint Creator: Johnson, Colin P. Academic Affiliation Civil Engineering Remove constraint Academic Affiliation: Civil Engineering Degree Field Civil Engineering Remove constraint Degree Field: Civil Engineering

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  • Pressure distribution around a circular cylinder resting on a flat boundary in an oscillating fluid

    Creator:
    Johnson, Ronald Ernest
    Abstract:
    This study was undertaken to provide information needed in the design of ocean outfalls. A review of past investigations concerning forces on submerged objects is presented. Objects independent of any boundary and cylinders in boundary contact are considered. A solution for pressure distribution about a circular cylinder resting on a...
    Resource Type:
    Masters Thesis
    Full Text:
    on a flat boundary in an oscillating fluid AN ABSTRACT OF THE THESIS OF Ronald Ernest Johnson for

  • Hydrology studies applicable to Oregon

    Creator:
    Johnson, Arthur Fayette
    Resource Type:
    Masters Thesis
    Full Text:
    requireraents for the Degree of MASTER OF SCIENCE by Arthur Fayette Johnson June, 193:3 APPROVED

  • Effects of pressure and deposit thickness on the stabilization rate of benthic marine sludge deposits

    Creator:
    Muellenhoff, W. P.
    Abstract:
    The biochemical degradation of domestic sludge deposits exposed to benthic marine conditions was investigated using a laboratory Deep Sea Simulator. The rate and extent of deposit stabilization were determined for select hydrostatic pressures and hydrogen acceptor conditions by monitoring depletion of particulate organic carbon in 2.0 and 3.0 centimeter deposits....
    Resource Type:
    Dissertation

  • Estuarine sediment controls on trace metal distributions

    Creator:
    Davies-Colley, Robert J.
    Abstract:
    Sediments are the major compartment in aquatic environments for many materials of toxic or nutrient concern. The lack of knowledge of the phase associations of toxic metals in sediments is the largest deficiency in our understanding of the environmental hazard posed by metal contamination. This study examined the sedimentary partitioning...
    Resource Type:
    Dissertation
    Full Text:
    coefficient; Density of binding sites P n Partition coefficient PZC pH of the point of zero charge p -log

  • Oregon coastal lake study : phosphorus loading and water quality implications

    Creator:
    Blair, Michael Stuart
    Abstract:
    A study of phosphorus loading and water quality implications was conducted for the Oregon coastal lakes. The study was based on existing data for lake total phosphorus concentrations and for watershed land uses. A phosphorus mass-balance model was developed to predict lake total phosphorus concentrations from estimated phosphorus loading from...
    Resource Type:
    Masters Thesis
    Full Text:
    Atmospheric Inputs 14 LAND USE VS. P-EXPORT COEFFICIENTS 15 Introduction 15 Forest Land Use 16 Agriculture

  • Settlement predictions for normally consolidated alluvial silt

    Creator:
    Rippe, Arlan H.
    Abstract:
    Settlement of structures built on geologically recent compressible alluvium is a common cause of concern during design. Total settlement results from a combination of: 1) initial elastic settlement, 2) primary consolidation, and 3) secondary compression. The reliability of prediction of total settlement is affected by an understanding of these components...
    Resource Type:
    Masters Thesis
    Full Text:
    conditions and reduce the magnitude of final settlement beneath a structure (Johnson, 1970). It is

  • Optimizing intake screens for Ocean Thermal Energy Conversion power plants

    Creator:
    Hansen, Robert Michael
    Resource Type:
    Masters Thesis
    Full Text:
    Traveling Screen 28 Dual-Flow Vertical Traveling Screens 33 Johnson Screen 34 Other Screens 34 SCREENS FOR

  • 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:
    analyses of reinforced soil structures (Al-Hussaini and Johnson, 1977; Chang, 1974). Purpose The purpose

  • Jet diffusion as related to ocean outfall systems

    Creator:
    Buford, Gary Manford
    Abstract:
    This study discusses important aspects of the ocean which should be considered in the design of a sewage outfall system; conditions are restricted to those of the Oregon coastal area. They include predominant currents, upwelling tendencies and ocean bottom characteristics. Major emphasis is placed upon investigation of diffusion characteristics of...
    Resource Type:
    Masters Thesis
    Full Text:
    Engineers, a joint venture. Holrnes & Narver, Inc. , Sponsor. ) 1I. Johnson, P. E. Flow patterns for

  • Measurement of the rates of reductive dechlorination of chlorinated phenols

    Creator:
    Nicholson, David K.
    Abstract:
    Knowledge of a compound's degradation pathway is crucial to the assessment of risk at contaminated sites. Pentachlorophenol and its metabolic products can serve as model compounds to study the fate and transport of halogenated aromatic compounds in the environment. Acclimation of anaerobic sewage sludge to pentachlorophenol produced a microbial consortium...
    Resource Type:
    Masters Thesis
    Full Text:
    has been reported at wood-treatment plants and sawmills in Oregon (Johnson et al., 1985), Minnesota