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Innovative Modular High Performance Lightweight Decks For Accelerated Bridge Construction, Sahar Ghasemi

FIU Electronic Theses and Dissertations

At an average age of 42 years, 10% of the nation’s over 607,000 bridges are posted for load restrictions, with an additional 15% considered structurally deficient or functionally obsolete. While there are major concerns with decks in 75% of structurally deficient bridges, often weight and geometry of the deck further limit the load rating and functionality of the bridge. Traditional deck systems and construction methods usually lead to prolonged periods of traffic delays, limiting options for transportation agencies to replace or widen a bridge, especially in urban areas.

The purpose of this study was to develop a new generation of …