Static Strength of Prestressed Composite Steel Girders
{'Code': '07030000', 'Directorate': {'Abbreviation': 'ENG', 'LongName': 'Directorate For Engineering'}, 'Division': {'Abbreviation': 'CMMI', 'LongName': 'Div Of Civil, Mechanical, & Manufact Inn'}}
{'SignBlockName': 'John Scalzi', 'PO_EMAI': None, 'PO_PHON': None}
Highway bridges in the U.S. are fast approaching their design life of           50 years.  As a result, they are in need of repair, strengthening, or           replacement within a short period of time.  This project will                   investigate the static strength of upgraded composite steel girders             that are prestressed with a construction sequence identical to that             used in field applications.  Currently there is no experimental data            available in the literature.  The research will study load-deflection           characteristics, ductility, redundancy, and reliability of prestressed          steel girders under static loads using bonded and unbonded tendons              applied in a straight and draped profile.  The results will be of great         benefit to bridge engineers.
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{'Code': '1473', 'Text': 'STRUCTURES I'}
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