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Exploring the Benefits of Grade 300 Strands in TX Girders

The potential benefits of the use of 300-ksi 0.6-inch diameter strands in bridge construction will be discussed, including potential improvements in reducing construction costs and increasing span-carrying capability for various girder sizes. The main factors that control girder design will be discussed, including maximum allowed concrete compressive strength at release and the use of draping and debonding. The presentation will also highlight the most significant prestressed member behavior aspects related to the use of grade 300 strand including transfer length, development length, and end region detailing. Results from experimental studies on grade 300 strand will be presented.

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Speaker

Wassim Ghannoum PhD, PE, FSEI

Professor, Director of Large Scale Testing Laboratory
University of Texas at San Antonio

ASCE TEXAS SECTION OFFICE

Call: 512-472-8905

Email: office@texasce.org

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