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Now showing items 1-5 of 5

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    Creep and Shrinkage Losses in Highly Variable Climates 

    Mortensen, Cole; Saiidi, Mehdi S.; Ladkany, Samaan (9/1/2003)
    This study had several objectives, including studying the effects of aggregate type and climate on creep and shrinltage losses, determining and quantifying tile effects of moist-c~rring concrete (after prestressing), and ...
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    Seismic Load Path in Steel Girder Bridge Superstructures 

    Sadrossadat-Zadeh, Mahmoud; Saiidi, Mehdi S.; Itani, Ahmad M.; Ladkany, Samaan (1/1/2005)
    Past earthquakes have shown that the inherent strength assumed in a bridge superstructure does not always prevent damage to components of steel plate girder superstructures during moderate to large earthquake excitation. ...
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    Seismic Retrofit of Octagonal Columns with Pedestal and One-Way Hinge at the Base 

    Johnson, Nathan; Saiidi, Mehdi S.; Itani, Ahmad M.; Ladkany, Samaan (8/1/2003)
    This study focused on the development of retrofit methods for octagonal single column bents with a pedestal and a one-way hinge detail at the pedestal base. The bents are from a ramp structure built in the late 1960's that ...
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    Seismic Retrofit of Two-Column Bents with Diamond Shape Columns 

    Sureshkumar, Kandasamy; Saiidi, Mehdi S.; Itani, Ahmad M.; Ladkany, Samaan (11/1/2004)
    This study was focused on evaluating the seismic performance of two-column bents with diamond shape columns and the development of retrofit methods. The bents are from the main structure of a freeway bridge in Las Vegas, ...
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    Seismic Vulnerability Evaluation and Retrofit Design of Las Vegas Downtown Viaduct 

    Sadrossadat-Zadeh, Mahmoud; Saiidi, Mehdi S.; Itani, Ahmad M.; Ladkany, Samaan (1/1/2005)
    This study focused on the seismic vulnerability assessment and development of retrofit methods for Las Vegas Downtown Viaduct. The viaduct was built in 1960�s and similar to other bridges designed prior to 1970, lacks the ...