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  • Laboratory performance of highway bridge girder anchorages under hurricane induced wave loading

    Creator:
    Lehrman, Jora
    Abstract:
    Many bridges along the Gulf Coast of the United States were damaged by recent hurricanes, and many more are susceptible to similar damage. This research examines performance of common anchorage connection details for AASHTO Type III prestressed concrete girders used by some transportation agencies. Full-scale specimens were fabricated and tested...
    Resource Type:
    Masters Thesis
    Full Text:
    PERFORMANCE OF HIGHWAY BRIDGE GIRDER ANCHORAGES UNDER HURRICANE INDUCED WAVE LOADING JORA LEHRMAN

  • Tsunami and hurricane wave loads on bridge superstructures

    Creator:
    Azadbakht, Mohsen
    Abstract:
    This dissertation examines tsunami and hurricane wave loads on bridge superstructures. Tsunamis have caused significant damage to coastal communities in recent years. For example, the 2011 Great East Japan Earthquake and resulting Tohoku Tsunami destroyed infrastructure along the east coast of Japan including bridge superstructures. Recent hurricanes have also caused...
    Resource Type:
    Dissertation
    Full Text:
    , 2013. Title: Tsunami and Hurricane Wave Loads on Bridge Superstructures Abstract approved

  • Effect of subduction zone earthquakes on SDOF bridge models

    Creator:
    Long, Yicheng
    Abstract:
    Current bridge design codes do not account for the effects of duration of mega-thrust subduction zone earthquakes. Furthermore, codes and even recent performance-based design methodologies only make use of the peak response quantities (forces, displacements, and ductility demands) and do not account for the increased number of inelastic cycles that...
    Resource Type:
    Masters Thesis
    Full Text:
    Effect of Subduction Zone Earthquakes on SDOF Bridge Models

  • Assessing the seismic performance of corroding RC bridge columns

    Creator:
    Guo, Yisen
    Abstract:
    Corrosion of reinforcement is recognized as the predominant factor that limits the service life of reinforced concrete (RC) structures exposed to aggressive environments. This corrosion deterioration can lead to damage resulting in capacity loss or even failure. For structures exposed to coastal marine environments or deicing or anti-icing applications, this...
    Resource Type:
    Masters Thesis
    Full Text:
    . Title: Assessing the Seismic Performance of Corroding RC Bridge Columns. Abstract approved

  • Aseismic performance of a cable-stayed structure with decentralized H[infinity] control

    Creator:
    Chńg, Guan B.
    Abstract:
    The dissertation uses state-of-the-art structural engineering theories, in parallel with the modern and still-developing control theory of electrical engineering to mitigate the vibratory responses of a double-stayed bridge subjected to strong earthquake ground motions. First, a nonlinear finite element model of the double-stayed bridge subjected to non-uniform (multi-support) earthquake excitations...
    Resource Type:
    Dissertation
    Full Text:
    bridge subjected to strong earthquake ground motions. First, a nonlinear finite element model of the

  • Seismic Performance of Square Reinforced Concrete Columns Retrofitted with Titanium Alloy Bars

    Creator:
    Lostra, Mackenzie M. W.
    Abstract:
    Large numbers of reinforced concrete (RC) bridges were built in the past that are now considered seismically deficient. The structural members most likely to be considered deficient are the supporting columns. Typical deficient columns contain inadequate transverse reinforcement and poorly detailed lap splice lengths above the foundation. Insufficient lap splice...
    Resource Type:
    Masters Thesis
    Full Text:
    TiABs offer a new option for effectively strengthening seismically deficient square bridge columns

  • Soil-bridge interaction during long-duration earthquake motions

    Creator:
    Romney, Kyle T.
    Abstract:
    Earthquake engineering analyses are often performed using shallow, crustal earthquake motions (e.g., 1940 El Centro). However, large areas of the world are subject to subduction zone earthquake motions (e.g., the Pacific Northwest). A subduction zone earthquake motion is characterized by its long duration (e.g., strong shaking lasts for more than...
    Resource Type:
    Masters Thesis
    Full Text:
    of Master of Science in Civil Engineering presented on June 7, 2013. Title: Soil-Bridge Interaction

  • Seismic performance of reinforced concrete bridge columns constructed with grade 80 reinforcement

    Creator:
    Link, Tim B.
    Abstract:
    The research presented in this thesis assessed the use of high strength steel (HSS) reinforcement for use in reinforced concrete (RC) bridge columns. HSS is not currently allowed in reinforced concrete bridge columns due to a lack of information on the material characteristics and performance information when used in RC...
    Resource Type:
    Masters Thesis
    Full Text:
    Seismic Performance of Reinforced Concrete Bridge Columns

  • Multi-hazard Damage and Loss Assessment of Bridge Networks

    Creator:
    Burns, Patrick O.
    Abstract:
    The overarching objective of this study is to examine and compare the vulnerabilities of bridges combining effects of earthquake-induced ground shaking, ground failure (e.g., landslides and lateral spreading), and tsunami inundation. A parametric study is performed to understand the sensitivity of economic loss and traffic capacity with respect to the...
    Resource Type:
    Masters Thesis
    Full Text:
    Damage and Loss Assessment of Bridge Networks. Abstract approved

  • Multi-hazard framework and analysis of soil-bridge systems : long duration earthquake and tsunami loading

    Creator:
    Carey, Trevor J.
    Abstract:
    During the 2011 Great East Japan Earthquake and Tsunami, numerous bridge structures were damage or destroyed. The damage to bridge systems was caused by long duration strong ground shaking, tsunami inundation forces, or both. Long duration strong ground shaking from subduction zone earthquakes and the multi-hazard scenario of combined earthquake...
    Resource Type:
    Masters Thesis
    Full Text:
    loading. Furthermore, the preceding earthquake motion had little effect on the fluid-soil-bridge models