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Comprehensive Repair Methods for Prestressed Girder Bridges: A PennDOT Research Initiative

The PennDOT Research Program has undertaken a critical project focused on repair methods for prestressed girder bridges, which are showing signs of deterioration. Despite numerous studies addressing these repairs, there is a notable lack of comprehensive guidance for bridge engineers. Led by the University of Pittsburgh and PI Kent A. Harries, Ph.D., this research aims to review the latest assessment and repair techniques applicable to damaged prestressed concrete bridges. The ultimate goal is to develop a Best Practices Guide to enhance structural repair methods.

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Comprehensive Repair Methods for Prestressed Girder Bridges: A PennDOT Research Initiative

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  1. PennDOT Research Program Got Research? Repair Methods for Prestressed Girder Bridges

  2. PennDOT Research Program Repair Methods for Prestressed Girder Bridges Research Organization: University of Pittsburgh PI: Kent A. Harries, Ph.D., FACI, P.E. TechnicalAdvisor: Lou Ruzzi, P.E., District Bridge Engineer Cost: $ 91,628.00

  3. PennDOT Research Program Repair Methods for Prestressed Girder Bridges What’s the Problem: • Prestressed concrete bridges are exhibitingsigns of deterioration and distress • Althoughthere are many research/case studiesaddressing repair of prestressed girder bridges, thereislittlecomprehensive guidance available to bridge engineers

  4. PennDOT Research Program Repair Methods for Prestressed Girder Bridges

  5. 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

  6. PennDOT Research Program Repair Methods for Prestressed Girder Bridges

  7. PennDOT Research Program Repair Methods for Prestressed Girder Bridges Implementation & NextSteps: • After review by the TechnicalAdvisor, FHWA and the PennDOT Bridge Quality Assurance Division, PennDOT has formed an internal team to develop a Best Practices Guide focused on structural and loadbearing repair techniques

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