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  • An investigation of alternative means of achieving water quality objectives

    Creator:
    Kerri, Kenneth Donald
    Abstract:
    Storage of water for water quality control is one of the alternative means of achieving water quality objectives. Authorities in the field of water quality management disagree regarding the use of precious water for the dilution of wastes. The costs of achieving water quality objectives by treatment of wastes at...
    Resource Type:
    Dissertation
    Full Text:
    An investigation of alternative means of achieving water

  • An evaluation of planning for water quality control in the Willamette River Basin

    Creator:
    Kirkpatrick, Kenton
    Abstract:
    It is no longer possible in any area of the United States to formulate water resources plans for single purpose projects as has been done in past years. No longer can one of our greatest natural resources, water, be used solely for navigation, power generation, irrigation, or controlled for reducing...
    Resource Type:
    Masters Thesis
    Full Text:
    entitled "Report on Organizations Responsible for Water Resource Planning in the Columbia Basin and

  • Numerical Investigations on Sewer Geysers

    Creator:
    Choi, YunJi
    Abstract:
    A sewer geyser is a series of ejecting air-water mixture eruptions through vertical shafts of drainage systems. In field observed geyser incidents, manhole covers were blown into the air and they were followed by ejecting air-water mixture eruptions that lasted for several seconds at a time. Trapped air in sewer...
    Resource Type:
    Dissertation
    Full Text:
    Investigations on Sewer Geysers Abstract approved: Arturo S. Leon Sourabh V. Apte A sewer geyser is a series

  • Near-Surface Response of Beach Sand : An Experimental Investigation

    Creator:
    Adams, Rachel Katie
    Abstract:
    The near-surface region of a coastal sediment bed is complex and dynamic. At some sites, near-surface sediment deposits are susceptible to extreme events, such as tsunamis or other large overflows, which induce high shear stresses on the sediment bed. The specific properties of sediment beds subjected to such extreme loading...
    Resource Type:
    Masters Thesis
    Full Text:
    Response of Beach Sand: An Experimental Investigation Abstract approved: H. Benjamin Mason Keywords

  • Investigation of Drilled Shafts under Axial, Lateral, and Torsional Loading

    Creator:
    Li, Qiang
    Abstract:
    Drilled shaft foundations provide significant geotechnical resistance for support of structures, such as highway bridges, traffic sign, and signal pole structures, and are used widely to meet their structural foundation requirements. The amount of steel reinforcement in drilled shaft foundations has increased over the past several decades to account for...
    Resource Type:
    Dissertation
    Date Created:
    Full Text:
    21, 2017. Title: Investigation of Drilled Shafts under Axial, Lateral, and Torsional Loading

  • Interactive Genetic Algorithms for watershed planning : an investigation of usability and human-centered design

    Creator:
    Piemonti, Adriana Debora
    Abstract:
    Degradation of watersheds is a major concern in areas where adverse climate effects and unsustainable use of the natural resources have caused extensive stresses to watershed systems (e.g., increased floods, increased droughts, worsened in-stream water quality) through the years. While considerable efforts are being made to generate technical solutions that...
    Resource Type:
    Dissertation
    Full Text:
    investigation of Usability and Human-centered Design

  • A Numerical Investigation of the Bearing Capacity of Shallow Foundations on Salt-Encrusted Flat Sabkha

    Creator:
    Refaei, Raied
    Abstract:
    Salt-encrusted flats, or Sabkha, are common in arid and semi-arid regions worldwide, including coastal and inland areas. Due to their low shear strength and high compressibility, these soils are often unsuitable for supporting infrastructure or structures. The unique salt content of sabkha formations sets them apart from other soil types....
    Resource Type:
    Masters Thesis
    Full Text:
    Numerical Investigation of the Bearing Capacity of Shallow Foundations on Salt-Encrusted Flat Sabkha

  • Experimental and analytical investigation of ponding load effects on a steel joist roof system

    Creator:
    Stark, Duncan
    Abstract:
    Ponding of water on roof systems leading to collapse causes expensive damage and jeopardizes the life safety of building occupants. Current building codes and design specifications for flat roof systems offer minimal guidance in designing for ponding loads. The present research investigated ponding load effects on a long span, lightweight...
    Resource Type:
    Masters Thesis
    Full Text:
    , 2009. Title: Experimental and Analytical Investigation of Ponding Load Effects on a Steel Joist

  • Investigation of x-ray computed tomography for Portland cement phase quantification

    Creator:
    Deboodt, Tyler J.
    Abstract:
    Cementitious materials are often characterized through the use of advanced analytical techniques to understand the macro-, micro-, and nano-scale properties, including phase formation during hydration, and subsequent potential deterioration mechanisms which can affect service life. A major limitation with using such analytical techniques to quantify solid phases in cementitious systems...
    Resource Type:
    Dissertation
    Full Text:
    : Investigation of x-ray computed tomography for portland cement phase quantification Abstract approved

  • Remote Sensing Tools for Evaluating Climate Change Impacts in Coastal Environments

    Creator:
    Herrmann, Joan F.
    Abstract:
    Climate change has pervasive impacts on Earth’s diverse ecosystems. Observed and projected effects that impact coastal environments pose unique challenges. Coastal regions provide numerous ecosystem services (e.g., fisheries, nursery habitats, erosion control, and water filtering and detoxification), house 40% of the US population, and contribute to 58% of the national...
    Resource Type:
    Masters Thesis
    Full Text:
    Joan Herrmann for the degree of Master of Science in Water Resources Engineering and Civil Engineering