Partial Composite Action in Prestressed Concrete Girder Bridges

Project Overview

The University of Texas at Arlington (UTA) is conducting a significant research project to study the phenomenon of partial composite action (PCA) in prestressed concrete girder bridges. This research is dedicated to understanding the interaction between the deck and the girder in such bridges. The primary focus is on identifying the factors contributing to PCA, examining how these factors influence bridge performance, and developing recommendations for materials, design, and construction modifications. These recommendations are aimed at fully utilizing the composite potential of prestressed girder bridges.

Role Name/Details
Principal Investigator Dr. Nur Yazdani
Graduate Research Assistant Balaram Luitel

Project Goals

  • Identify the contributing factors of Partial Composite Action (PCA) in prestressed concrete girder bridges.
  • Examine the extent and impact of these contributing factors on bridge performance.
  • Develop recommendations for material, design, and construction modifications to maximize the composite potential of prestressed girder bridges.
  • Advance knowledge and application of PCA in bridge engineering for more efficient and robust bridge designs.
  • Execute a comprehensive research plan including literature review, bridge inspection, load testing, non-destructive evaluation, and data analysis.
  • Employ finite element modeling for analysis, calibration, and as a digital twin for test bridges.
  • Formulate improved design and construction practices based on research findings and submit a comprehensive report to TxDOT.