The Minnesota inverted-tee system: Parametric studies for preliminary design

The precast concrete inverted-tee system was adopted by the Minnesota Department of Transportation after the 2004 FHWA/AASHTO International Scan Tour of bridge rapid construction techniques in Europe and Japan. As of 2005, two bridges were built in Minnesota adapting the Poutre-Dalle system developed in France. One of the two bridges, the Center City Bridge (MN bridge 13004), has been monitored for transverse load distribution and continuity over the pier since the deck was cast in September 2005. In addition, a two-span specimen was constructed to investigate different parameters, such as flange thickness, bursting reinforcement, horizontal shear reinforcement, and flange surface treatment. One of the four precast concrete sec-.