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  • Development of performance based test procedures for asphalt mixtures

    Creator:
    Kliewer, Julie E.
    Abstract:
    In 1987, Congress authorized a 5 year $150 million dollar research program called the Strategic Highway Research Program (SHRP). SHRP was divided into four major areas, including the asphalt research program. The asphalt research program was divided into six major research contracts, one such contract, SHRP-003A was called Performance Related...
    Resource Type:
    Dissertation
    Full Text:
    , SHRP-003A was called Performance Related Testing and Measuring of Asphalt Aggregate Interaction and

  • Development of the simplified method to evaluate dynamic mechanical analysis data on asphalt-aggregate mixtures

    Creator:
    Ab-Wahab, Yunus Bin
    Abstract:
    Testing of asphalt binders and asphalt-aggregate mixtures using dynamic mechanical analysis is becoming popular with improvements in high-speed computers, precision equipment, and computer software. Researchers are trying to describe the behavior of asphalt binders and asphalt-aggregate mixtures in terms of their time- and temperature-dependent linear viscoelastic behavior. The objectives of...
    Resource Type:
    Dissertation
    Full Text:
    Abstract approved: Dr. Chris A. Bell Testing of asphalt binders and asphalt-aggregate mixtures using

  • A study of compression loading of composite laminates

    Creator:
    Berbinau, Pierre J.
    Abstract:
    The compressive behavior of continuous fiber composites is not as well understood as their tensile behavior because research and industrial applications have until recently focused on the latter. Furthermore, most theoretical and experimental studies on the compression of composites have examined the case of unidirectional specimens with fibers along the...
    Resource Type:
    Dissertation
    Full Text:
    experimental results obtained from compression testing of graphite/thermoplastic laminates with the same ply

  • A composite-beam finite element for seismic analysis of wood-framed buildings

    Creator:
    Lee, Chyuan-shen
    Abstract:
    A computer program called SAPWOOD which possesses the capability of performing linear or nonlinear, static or dynamic response including seismic excitation for wood-framed buildings with semirigid connection systems is presented in this study. Program SAPWOOD is a modification of the program NONSAP by adding new elements such as a linkage...
    Resource Type:
    Dissertation
    Full Text:
    5.8. Wood-Framed Building Subject to Earthquake Ground Motions 188 VI. CONCLUSIONS AND

  • A Comprehensive Mechanistic Study on Using Fine Lightweight Aggregate to Mitigate Alkali-silica Reaction

    Creator:
    Li, Chang
    Abstract:
    Previous research has shown that using fine lightweight aggregate (FLWA) can be a promising strategy to mitigate alkali-silica reaction (ASR) in mortar and concrete. While several possible theories were proposed by researchers, discrepancies in testing methods, materials, and supporting evidence still exist. Therefore, this study was initiated. There are two...
    Resource Type:
    Dissertation
    Full Text:
    several possible theories were proposed by researchers, discrepancies in testing methods, materials, and

  • The effect of biological deterioration on the performance of nailed oriented strand board sheathing to Douglas-fir framing member connections

    Creator:
    Kent, Scott M.
    Abstract:
    Service life prediction models for light-framed wood structures require an extensive quantity of empirical data on deterioration pathologies for the numerous structural components, as well as mechanistic approaches to determine their capacity at various levels of deterioration. The data and models presented in this study satisfy a portion of the...
    Resource Type:
    Dissertation

  • Dynamic response of steel structures with semirigid connections

    Creator:
    Grant, Joseph Edward
    Abstract:
    The nonlinear response of a ten-story steel structure with semirigid girder connections is studied under conditions of dynamic loading. The dynamic loading used in this study is the North-South component of the May 18, 1940 El Centro, California earthquake. To deal with the complexity of the problem the structure is...
    Resource Type:
    Dissertation
    Full Text:
    . TESTING OF THE COMPUTER PROGRAM 29 IV. RESULTS 35 Design of the Building Used in the Investigation 35

  • Permanent deformation characteristics of dense-graded mixes using asphalt pavement analyzer

    Creator:
    Sandoval-Gil, Jesus A.
    Abstract:
    The Asphalt Pavement Analyzer (APA) device was used to characterize the impact of various mix factors on the development of permanent deformation in dense-graded mixes given a standard compactive effort. Factors included two aggregate sizes, three VMA levels, two fines contents, three binder contents and four binder types. All specimens...
    Resource Type:
    Dissertation

  • An examination of strategic challenges and opportunities in the wood-based building product industry

    Creator:
    Tokarczyk, John A.
    Abstract:
    The wood-based building products industry has experienced significant turbulence over the past several decades as a function of multiple forces including among others globalization, product and process innovation, and shifting customer and consumer interest and demands. Collectively, these changes have challenged the historical tenets which have defined industry strategy and...
    Resource Type:
    Dissertation
    Full Text:
    Opportunities in the Wood- based Building Product Industry Abstract approved: _ Eric N

  • Development and characterization of novel hydrogels for nucleus pulposus replacement

    Creator:
    Bader, Rebecca A.
    Abstract:
    Hydrogels have been proposed as candidates for nucleus pulposus replacement due to their similarity in mechanical behavior to the native tissue when subjected to transient or static loading; however, given the viscoelastic nature of soft biological tissues, the lack of dynamic testing is a significant inadequacy in the studies performed...
    Resource Type:
    Dissertation
    Full Text:
    THE DISSERTATION OF Rebecca Ann Bader for the degree of Doctor of Philosophy in Material Science