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Filtering by: Creator McCullough, Nason J. Remove constraint Creator: McCullough, Nason J. Contributor advisor sim Dickenson, Stephen E. Remove constraint Contributor advisor sim: Dickenson, Stephen E.

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  • The seismic geotechnical modeling, performance, and analysis of pile-supported wharves

    Creator:
    McCullough, Nason J.
    Abstract:
    This dissertation presents the results of a research effort conducted to better understand the seismic performance and analysis of pile-supported wharves. Given the limited number of well-documented field case histories, the seismic performance of pile-supported wharves has been poorly quantified, and the analysis methods commonly employed in engineering practice have...
    Resource Type:
    Dissertation
    Full Text:
    AN ABSTRACT OF THE DISSERTATION OF Nason J. McCullough for the

  • The seismic vulnerability of sheet pile walls

    Creator:
    McCullough, Nason J.
    Abstract:
    The seismic performance of port structures has been well documented following recent earthquakes, and indicates that port structures are highly susceptible to earthquake-induced damages. These damages are primarily due to soil liquefaction and the associated ground failures. Sheet pile bulkheads provide vital intermodal and lifeline transportation links between water-side and...
    Resource Type:
    Masters Thesis
    Full Text:
    AN ABSTRACT OF THE THESIS OF Nason J. McCullough for the degree

  • Cyclic triaxial testing of low- to moderate-plasticity silts

    Creator:
    Butler-Brown, Jason J.
    Abstract:
    This project report presents a laboratory investigation of the dynamic behavior of saturated alluvial silty soils from sites in Oregon and Washington. The focus of the study was to document the liquefaction susceptibility, post cyclic strength, and volumetric strain behavior of the silt soils based on cyclic, undrained triaxial compression...
    Resource Type:
    Masters Thesis
    Full Text:
    Hegge, Washington State Department of Transportation, Tumwater, WA Nason McCullough Oregon State

  • Scourability of weak rock in the Oregon Coast Range

    Creator:
    Baillie, Michael W.
    Abstract:
    The undermining of bridge foundations can lead to either costly repairs or a bridge collapse. These foundations must be designed to counter the effects of scour. Current practice does not allow for accurate estimates of scour in erodible rock. Scour in rock can be related to geotechnical and hydraulic properties....
    Resource Type:
    Masters Thesis
    Full Text:
    , especially Bret Shipton, Nason McCullough, and Jason Brown, who assisted on the surveys. 11 TABLE OF

  • Dynamic behavior of silty soils

    Creator:
    Sunitsakul, Jutha
    Abstract:
    The cyclic resistance of predominantly fine-grained soils has received considerable attention following ground and foundation failures at sites underlain by silt-rich soils during recent earthquakes. In several cases substantial ground deformation and reduced bearing capacity of silt soils has been attributed to excess pore pressure generation during cyclic loading. These...
    Resource Type:
    Dissertation
    Full Text:
    to this work; Jason Brown and Allison Pyrch for their works on cyclic triaxial tests; Nason

  • Deformation-based seismic design models for waterfront structures

    Creator:
    Yang, Dong-Shan
    Abstract:
    Recent experience demonstrates that waterfront structures are vulnerable to earthquake damage. The poor seismic performance of these facilities has been primarily due to liquefaction of backfill and/or foundation soils and the lack of seismic design standards for waterfront structures. The seismic performance of waterfront structures is a key issue in...
    Resource Type:
    Dissertation