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Filtering by: Creator Clay, Sharon A. Remove constraint Creator: Clay, Sharon A. Degree Field Civil Engineering Remove constraint Degree Field: Civil Engineering

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  • Three-dimensional experiments and modeling of anisotropic clay

    Creator:
    Anantanasakul, Pongpipat
    Abstract:
    This dissertation presents the results of a research effort conducted to better understand the stress-strain, volume change, shear band formation, and strength characteristics of normally consolidated anisotropic clay under fully three-dimensional stress states. A series of consolidated drained true triaxial tests with a constant mean effective stress and constant Lode...
    Resource Type:
    Dissertation
    Full Text:
    : Three-Dimensional Experiments and Modeling of Anisotropic Clay Abstract approved: Scott A. Ashford

  • Consolidation characteristics of sand-clay mixtures

    Creator:
    Anderson, Donald G. (Donald Gordon)
    Abstract:
    Combinations of cohesive and cohesionless soils are often encountered when evaluating the engineering properties of soils. The stress-volume characteristics of the mixed soil are found to vary according to the proportion of each component. If the cohesive soil composes more than a certain fraction of the material, the magnitude of...
    Resource Type:
    Masters Thesis
    Full Text:
    . Consolidation Characteristics of Sand-Clay Mixtures by Donald Gordon Anderson A THESIS submitted to Oregon

  • The effect of pulverization on a lime stabilized clay soil

    Creator:
    Dito, Edward Leonard
    Abstract:
    The objectives of this investigation were to determine the effect of pulverization on the strength, durability and swell characteristics of a lime stabilized clay soil. Samples were prepared with three different gradations which represented the pulverization of the soil. Maximum clay lump sizes of 3/4", 1/2" and passing #4 sieve...
    Resource Type:
    Masters Thesis
    Full Text:
    The effect of pulverization on a lime stabilized clay soil

  • Behavioral thresholds in mixtures of sand and clay

    Creator:
    Simpson, Daniel Corder
    Abstract:
    Nearly all soils are comprised of mixtures of coarse and fine particles. Behavior under mechanical and thermal loading of soil is strongly influenced (and in some cases, governed) by the ratio of coarse to fine particles. A better understanding of the fundamental behavior of soil mixtures will provide insight to...
    Resource Type:
    Masters Thesis
    Full Text:
    Mixtures of Sand and Clay by Daniel Corder Simpson A THESIS submitted to Oregon State

  • Bearing capacity and immediate settlement of shallow foundations on clay

    Creator:
    Strahler, Andrew W.
    Abstract:
    Shallow foundations are extensively used to support structures of all sizes and derive their support from near surface soils. Thus, they are typically embedded up to a few meters into the soil profile. Designers of shallow foundations are required to meet two limit states: overall failure of the soil beneath...
    Resource Type:
    Masters Thesis
    Full Text:
    Immediate Settlement of Shallow Foundations on Clay by Andrew W. Strahler A THESIS

  • Incipient resuspension of silt-clay deposits in oscillatory and unidirectional flows

    Creator:
    Talebbeydokhti, Nasser
    Abstract:
    Incipient motion of cohesive sediment and the role of flow parameters were investigated for separate and combined unidirectional and oscillatory flows. Sediment from Sturgeon Lake, mainly silt and clay with organic matter, was used as bed material In recirculating and wave flumes. Bench-type experiments indicated that when the submerged sediment...
    Resource Type:
    Dissertation
    Full Text:
    Versus Time for a Clay Soil 39 9. Definition Sketch for General Form of a Linear Wave System 59 10

  • Nitrate and pesticide transport under pear production in clay and sandy soil

    Creator:
    Cao, Weidong
    Abstract:
    Groundwater contamination on irrigated land is of concern in this nation and around the world. In order to reduce the potential of groundwater contamination by agricultural practices such as irrigation, fertilizer and pesticide application, vadose-zone monitoring and sampling are needed. The main objective of this study was to evaluate impacts...
    Resource Type:
    Masters Thesis
    Full Text:
    under Pear Production in Clay and Sandy Soil by Weidong Cao A THESIS submitted to Oregon

  • Numerical investigation of aggregate trench-reinforced clay ground improvement to increase bearing capacity of continuous strip foundations

    Creator:
    Walter, Jakob R.
    Abstract:
    Compacted aggregate trenches are a method of soil improvement that could be substituted for commonly used aggregate piers in certain geometrical arrangements of shallow foundations. However, this type of ground improvement has little research to support the understanding of their contribution to improved strength of an unimproved clay soil. This...
    Resource Type:
    Honors College Thesis
    Full Text:
    , and placement beneath a 3 meter wide strip footing in the same varying clay strength and footing

  • Influence of silt size and content on static liquefaction potential of sand

    Creator:
    Monkul, M. Murat
    Abstract:
    Different specimen preparation methods such as moist tamping, dry funnel deposition, slurry deposition, dry air pluviation have been reported in the literature to investigate the undrained behavior of silty sands. Similarly, different means have been used to densify the soils prepared with such methods. However, the influence of the densification...
    Resource Type:
    Dissertation
    Full Text:
    Content on Static Liquefaction Potential of Sand. Abstract approved: Scott A

  • Effects of soil slope on lateral capacity of piles in cohesive soils

    Creator:
    Nimityongskul, Nontapat
    Abstract:
    Pile supported bridges are typically constructed near or in a natural or man-made slope and are subjected to lateral loading. The current design method for laterally loaded piles involves the use of Winkler's spring concept with the standard nonlinear p-y curves. The available p-y curves were developed based on results...
    Resource Type:
    Dissertation
    Full Text:
    ....................................................... 51  Figure 2-6 Clay Failure Modes in Laterally Loaded Pile Problem a) Assumed Passive Wedge