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  • Seismic performance and collapse assessments of reinforced concrete lateral- force resisting systems

    Creator:
    Buniya, Mustafa Kamil
    Abstract:
    Nonlinear response history analysis (NRHA) is increasingly becoming more accessible and prevalent in research and practice. As the accuracy of the NRHA results depends on the ground motion characteristics and the robustness of the numerical model, research has focused on the development of guidance for performance-based seismic design and assessment...
    Resource Type:
    Dissertation
    Full Text:
    analysis. In the first part, the seismic performance of the reinforced concrete special moment frame

  • Evaluation of finite element techniques for soil reinforcement applications

    Creator:
    Berg, Ryan Robert
    Abstract:
    A literature review and a computer study are conducted to identify the requirements of finite element programs for the specific use of discrete analyses of reinforced soil structures. The utility of six commercially available programs are appraised with respect to the identified requirements. The results of the study are directed...
    Resource Type:
    Masters Thesis
    Full Text:
    structures and choose to utilize an available program for the analyses, instead of writing a special finite

  • Lateral Load Path Analysis : Practical Methods for Light-Frame Modular Structures

    Creator:
    Huynh, Thanh Q.
    Abstract:
    The objectives of this study are to use SAP2000 to investigate lateral load paths and system behavior in a modular, light-frame wood structure by investigating different foundation configurations and to further develop and validate existing modeling techniques of shear wall elements based on the Perforated Shear Wall Method. The modeling...
    Resource Type:
    Masters Thesis
    Full Text:
    within limits similar to those provided by the Special Design Provisions for Wind and Seismic Design

  • The effect of mixing moisture, oxidative aging and tire pressures on the performance of asphalt mixes

    Creator:
    Kim, Ok-kee
    Abstract:
    The research undertaken consisted of the study of three topics affecting the performance of asphalt concrete mixtures, that is, mixing moisture, oxidative aging and higher tire pressures and axle loads. This thesis presents the findings of the research comprising these three topics. In the first study, the effects of mixing...
    Resource Type:
    Dissertation
    Full Text:
    , Pavebond Special) on performance of asphalt mixtures were evaluated using repeated load diametral testing

  • Evaluation of polymer modified asphalt in hot mix pavements

    Creator:
    Ifft, Charles
    Abstract:
    Polymer modified asphalts have recently been the focus of much attention in the U.S. due to claims that polymer additives will lengthen the life of an asphalt pavement. Much of the published research on this topic has been concentrated on the effects of polymer modifiers on binder and mixture properties....
    Resource Type:
    Masters Thesis
    Full Text:
    tests. These con ventional binder tests do not fully address the special character istics of polymer

  • Sand pumping efficiency of a water ejector apparatus

    Creator:
    Saguanwongse, Suvat
    Abstract:
    The purpose of this investigation is to study the effect of the solid transport capacity in pumping operation: A special type of jet apparatus was investigated which emits a water jet downward counter current to delivery flow, from inside of the suction pipe toward sediment to be excavated. Two sizes...
    Resource Type:
    Masters Thesis
    Full Text:
    solid transport capacity in pumping operation: A special type of jet apparatus was investigated which

  • Cyclic performance of connections used in hybrid cross-laminated timber

    Creator:
    Mahdavifar, Vahid
    Abstract:
    One of the recent additions to the panoply of engineered wood products is cross-laminated timber (CLT). CLT is a prefabricated, large-scale, solid wood panel that consists of multiple layers of lumbers stacked together, with each layer arranged perpendicular to the next layer, glued with structural grade adhesives, and pressed. The...
    Resource Type:
    Dissertation
    Full Text:
    expected that as the CLT market will continue to mature, more diversified grades and special CLT products

  • Ambient current effects on vertical selective flow withdrawal in a two layer reservoir system

    Creator:
    Charbeneau, Randall Jay
    Abstract:
    Withdrawal from a two-layer flow field is examined in terms of the degree of selectivity of the withdrawal flow and its dependence on an ambient current. Selectivity is defined as the bias of withdrawing one layer more strongly than the other; the extreme' case is complete selective withdrawal, where one...
    Resource Type:
    Masters Thesis
    Full Text:
    -linear function of the separating height. Of special interest is the observation that the degree of

  • Risk and reliability associated with use and reuse of vertical formwork

    Creator:
    Das, Amrutha
    Abstract:
    Concrete formwork is a common type of temporary structure used on construction projects. Due to difficulties in considering actual construction site implications during formwork design, assessments of formwork integrity are often made in the field by site personnel based on subjective visual inspection. The use and re-use of concrete formwork...
    Resource Type:
    Masters Thesis
    Full Text:
    special note of gratitude to Milo Clauson, who is a wonderful source of knowledge on more topics than I

  • An Investigation of Student Cognitive Engagement in the STEM Classroom—A Compilation of Faculty and Student Perspectives

    Creator:
    Barlow, Allyson J.
    Abstract:
    Student engagement has been the focus of much engineering education research, in large part due to its ties to student learning. Widely considered to be a meta-construct, student engagement is often broken down into behavioral, emotional, and cognitive components. Reasons for ongoing research on student cognitive engagement are twofold: educators...
    Resource Type:
    Dissertation
    Full Text:
    ; evidence was found that students report statistically different on their modes of engagement depending