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Filtering by: Alternative title ssim Technical note no. 239 Remove constraint Alternative title ssim: Technical note no. 239 Decade 1970-1979 Remove constraint Decade: 1970-1979 Degree Field Civil Engineering Remove constraint Degree Field: Civil Engineering

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  • Influence of expansive soils on structures in the Eugene area

    Creator:
    Bonell, John Alexander
    Abstract:
    Expansive soils in Eugene, Oregon present a problem to residents, consultants, contractors, and the city government. During the years 1977 to 1979, the nature and extent of the problem was identified, including an outline of the local occurrence of expansive soils and possible engineering solutions to the most often encountered...
    Resource Type:
    Masters Thesis
    Full Text:
    , soil scientists, engineers, and some non-technical people who have encountered structural damage

  • Ultimate bearing capacity of shallow footings on plastic silt

    Creator:
    Newton, Vernon C.
    Abstract:
    The usual approach to calculation of the ultimate bearing capacity of plastic silt is to assume no porewater drainage occurs during the loading period. The coefficient of permeability of plastic silt is generally significantly larger than clay; therefore, partial drainage of porewater may occur during the loading period. This study...
    Resource Type:
    Masters Thesis
    Full Text:
    is to assume no porewater drainage occurs during the loading period. The coefficient of permeability

  • Experimental behavior of wide-flange beams with web holes

    Creator:
    Horning, Richard Alan
    Abstract:
    Two built-up wide-flange beams with several large holes in each beam were tested to failure. Strains were measured by strain gages at various levels, located at the ends and center of typical holes, and deflections were measured optically at two points on each beam. Lateral bracing was provided to prevent...
    Resource Type:
    Masters Thesis
    Full Text:
    bracing system failed and the beam failed by lateral buckling of the compression flange. No tearing of

  • Finite elements analysis of circular cell bulkheads

    Creator:
    Kittisatra, Likhit
    Abstract:
    A mathematical model is developed for the analysis of circular cell bulkheads subjected to gravity loads of cell fill, backfill, lateral pressure, and surcharge load using the finite element method. The finite element circular cell model consists of axisymmetric triangular and/or quadrilateral ring elements for soil and cylindrical shell elements...
    Resource Type:
    Dissertation
    Full Text:
    elastic, isotropic and non-homogeneous materials. It is assumed that there is no slippage in the soil

  • Evaluation of fabric reinforcement of the roadway structure

    Creator:
    Lavansiri, Direk
    Abstract:
    An evaluation of fabric reinforcement of the roadway structure is made. The study includes a parametric analy sis using layered elastic theory and a series of large scale model tests. The parametric. study analyzes the stresses and strains of roadway structures with a fabric layer between tna surface layer and...
    Resource Type:
    Dissertation
    Full Text:
    fabric is incorporated with a granular surface. No reinforcement is evident when the fbric is

  • Interstitial fluid mixing in estuarine benthic sediments

    Creator:
    Boyce, Allen R.
    Abstract:
    A method of measuring interstitial fluid mixing rates for evaluation of exchange between pore water of estuarine benthic sediments and the overlying water in a bay is presented. Pore water movement is monitored by reducing conductivity of the interstitial fluid within a zone of the benthic sediment to a depth...
    Resource Type:
    Masters Thesis
    Full Text:
    results over the wide range of conductances (salinities) in a bay with no corrosion or stability

  • Experimental investigation of stresses in steel I-beams with rectangular holes in the webs

    Creator:
    Landers, William Brooks
    Resource Type:
    Dissertation
    Full Text:
    of the first series of tests produced a variation in strain pattern, but no rational theory was

  • Transport and adsorption of proteinanceous particles during flow through porous media

    Creator:
    Yamamoto, Tokuo
    Abstract:
    This is a fundamental study of the mechanism of protein particle removal during flow through sandy soil. Mathematical models for diffusion-adsorption and diffusion-convection-adsorption processes were developed and compared with experimental data. An attempt was made to calculate the distance over which the adsorption forces act. The differential equation for the...
    Resource Type:
    Dissertation
    Full Text:
    minute per square foot. They also found no decreases in the virus removal ability of the sand even

  • A large scale model study of placed stone breakwaters

    Creator:
    DeBok, Donald H.
    Abstract:
    The results of three hydraulic model tests to evaluate the stability of a placed stone breakwater are presented and discussed. The prototype breakwater was designed to protect offshore power and port facilities in 60 feet of water and was tested at scale ratios of 1:10, 1:20, and 1:100. The armor...
    Resource Type:
    Masters Thesis
    Full Text:
    sought: 1. Determination of the no damage wave height for a range of water depths and wave periods. 2

  • Behavior of cellular bulkheads in deep sands

    Creator:
    Maitland, James Keith
    Abstract:
    Large-scale experiments on circular model cell bulkheads were conducted to define the distribution of hoop stresses, deflections of the cells, distortion of the cell fill, ultimate overturning resistance, and the critical mode of failure. The embedment depth of the model cells was varied to investigate the effect of embedment on...
    Resource Type:
    Dissertation
    Full Text:
    to Surcharging 239 Field Data 240 White 240 Khuayjarernpanishk 241 Comparison of Model and Field