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Browsing CCEER - Research Reports by Author "Ladkany, Samaan"
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 ...