PennDOT Research Program

Got Research?Repair Methods for Prestressed Girder

Bridges

PennDOT Research Program

Repair Methods for Prestressed Girder Bridges

Research Organization: University of Pittsburgh

PI: Kent A. Harries, Ph.D., FACI, P.E.

Technical Advisor: Lou Ruzzi, P.E., District Bridge Engineer

Cost: $ 91,628.00

PennDOT Research Program

Repair Methods for Prestressed Girder Bridges

What’s the Problem: Prestressed concrete bridges are exhibiting signs of

deterioration and distress Although there are many research/case studies

addressing repair of prestressed girder bridges, there is little comprehensive guidance available to bridge engineers

PennDOT Research Program

Repair Methods for Prestressed Girder Bridges

PennDOT Research Program

Repair Methods for Prestressed Girder Bridges

How Will the Research Help Solve the Problem: The key deliverable of the research project was

to conduct a state of the art review of both assessment and repair techniques suitable for damaged prestressed concrete bridge systems

PennDOT Research Program

Repair Methods for Prestressed Girder Bridges

PennDOT Research Program

Repair Methods for Prestressed Girder Bridges

Implementation & Next Steps: After review by the Technical Advisor, FHWA and

the PennDOT Bridge Quality Assurance Division, PennDOT has formed an internal team to develop a Best Practices Guide focused on structural and load bearing repair techniques