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Filtering by: Creator Lamb, C. C. Remove constraint Creator: Lamb, C. C. Degree Field Civil Engineering Remove constraint Degree Field: Civil Engineering Resource Type Masters Thesis Remove constraint Resource Type: Masters Thesis

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  • 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:
    SLUDGE PROCESS EFFLUENT BY CARBON ADSORPTION Abstract approved: Donald C. Phillips An evaluation

  • Abiotic and biological transformation of TBOS and TKEBS, and their role in the biological transformation of TCE and c-DCE

    Creator:
    Vancheeswaran, Sanjay
    Abstract:
    At Site-300, Lawrence Livermore National Laboratory (LLNL), CA, trichloroethene (TCE) is present along with tetraalkoxysilanes such as tetrabutoxysilane (TBOS) and tetrakis(2-ethylbutoxy) silane (TKEBS), as subsurface contaminants. Intrinsic transformation of TCE to cis-dichloroethene (c-DCE) was observed in the groundwater at locations co-contaminated with TBOS or TKEBS. Attenuation of TBOS and TKEBS...
    Resource Type:
    Masters Thesis
    Full Text:
    their role in the biological transformation of TCE and c-DCE AN ABSTRACT OF THE THESIS OF Sanjay

  • Consumptive use of surface water by Willamette Basin municipalities

    Creator:
    Mittelstadt, Richard Lee
    Abstract:
    The consumptive water use of six cities in the Willamette Basin of northwestern Oregon was evaluated for the period 1960-66. Consumptive use ratios were obtained by analyzing data from monthly water supply and sewage flow records. The average annual consumptive use for the six cities was found to be 26...
    Resource Type:
    Masters Thesis
    Full Text:
    ) in CIVIL ENGINEERING (Major) presented on)J\ C\1 Lc, % (Date) Title: CONSUMPTIVE USE OF SURFACE

  • Effects of imbedded perforated pipes on permeability of gravelly stream beds

    Creator:
    Chu, Eddy Tak-hing
    Abstract:
    Perforated pipes were buried in the gravel bed of a laboratory stream, extending upstream from a simulated riffle in order to study their effect upon mixing and interchange of stream water and intragravel water. In the absence of such pipes the drop of energy gradient of the stream was concentrated...
    Resource Type:
    Masters Thesis
    Full Text:
    PERFORATED PIPES ON PERMEABILITY OF GRAVELLY STREAMBEDS Abstract approved: Redacted for Privacy Donald C

  • Experimental Testing of Glue-Laminated Beam-to-Column Connections

    Creator:
    Madland, Haley
    Abstract:
    The behavior of mass timber beam-to-column connections under seismic loading is not yet well understood. Mass timber beam-to-column connections must have the ability to maintain load-carrying capacity despite the deformations that will be imposed on all components of the building during seismic events. This behavior is called deformation compatibility. The...
    Resource Type:
    Masters Thesis
    Full Text:
    : ______________________________________________________ Erica C. Fischer The behavior of mass timber beam-to-column connections under seismic

  • Seismic Performance of Retrofitted Reinforced Concrete Columns Including Soil Structure Interaction

    Creator:
    Parson, Lance
    Abstract:
    There are many existing bridges around the world that were designed without consideration for seismic effects. Many of these bridges were designed before modern earthquake engineering design standards and practices existed and thus are expected to perform poorly during strong ground shaking. Common structural deficiencies are found in their reinforced...
    Resource Type:
    Masters Thesis
    Full Text:
    approved: ______________________________________________________ Christopher C. Higgins There are

  • Applying climate change information to hydraulic and hydrologic transportation infrastructure

    Creator:
    Al Naabi, Rawan Y.
    Abstract:
    Scour is the main cause of bridge failures in the United States. Bridge failures raise a hazard to the safety of the traveling public as well as the massive economic consequences due to the high cost of constructing a new or a replacement bridge. The Oregon Department of Transportation (ODOT)...
    Resource Type:
    Masters Thesis
    Full Text:
    : ______________________________________________________ Christopher C. Higgins Scour is the main cause of bridge failures in the United States

  • Behavior of Steel Structures in Fire Following Earthquakes

    Creator:
    Maddalozzo, Walker A.
    Abstract:
    Fire following earthquake (FFE) events are cascading hazards that have caused great damage in the past and pose a continued threat to our communities. The increased risk for fire after a seismic event stems from potential damage to utilities such as gas or fuel pipelines, which can lead to ignition....
    Resource Type:
    Masters Thesis
    Full Text:
    : ______________________________________________________ Erica C. Fischer Fire following earthquake (FFE) events are cascading hazards that have caused

  • Behavior of open grid steel bridge decks under service and fatigue loads

    Creator:
    Fetzer, Peter C.
    Abstract:
    Open grid steel bridge decks have been in use for nearly a century. These open grid decks provide an economical and lightweight alternative to traditional reinforced concrete decks. As the transportation infrastructure continues to deteriorate, open grid decks can be used as a cost effective way to rehabilitate structurally deficient...
    Resource Type:
    Masters Thesis
    Full Text:
    Fatigue Loads AN ABSTRACT OF THE THESIS OF Peter C. Fetzer for the degree of Master of Science in

  • Shear capacity assessment of corrosion-damaged reinforced concrete beams

    Creator:
    Farrow, William C.
    Abstract:
    The research presented here is a study to determine the effect of shear reinforcement corrosion on the shear capacity in conventionally reinforced concrete (CRC) bridge elements. A total of 14 CRC beams were tested using three stirrup spacings (8, 10, and 12-inch). Six of the beams included the influence of...
    Resource Type:
    Masters Thesis
    Full Text:
    AN ABSTRACT OF THE THESIS OF William C Farrow III for the