3D Printed Advanced Materials to Mitigate Prestressed Concrete Girder End Cracks

Despite the recent popularity of 3D printing, its applications in transportation infrastructure are largely unexplored. This research aims to investigate a specific application of 3D printing for tackling the problem of end cracking in precast-prestressed concrete bridge girders caused by prestress release, which could be detrimental to bridge durability. 3D-printed shells, serving as permanent formworks and made of strain-hardening cementitious composites (SHCC), are proposed for providing a damage-tolerant protective layer around the girders at their ends. The project will involve the development of a new 3D-printable SHCC, design of an SHCC shell for lab-scale beams, testing of beam specimens, and numerical simulations for aiding an integrated material-printer-structure design approach. If this proof-of-concept project is successful, future research will seek to scale up the novel idea to large-scale girders, which could significantly enhance the durability and service life of the precast-prestressed concrete bridge girders.


    • English


    • Status: Active
    • Sponsor Organizations:

      University of Illinois, Urbana-Champaign

      Department of Civil and Environmental Engineering
      Newmark Civil Engineering Laboratory
      Urbana, IL  United States  61801-2352

      Office of the Assistant Secretary for Research and Technology

      University Transportation Centers Program
      Department of Transportation
      Washington, DC  United States  20590
    • Performing Organizations:

      University at Buffalo - SUNY

      221 Ketter Hall
      Buffalo, NY  United States  14260
    • Principal Investigators:

      Ranade, Ravi

      Okumus, Pinar

    • Start Date: 20230901
    • Expected Completion Date: 20240831
    • Actual Completion Date: 0
    • USDOT Program: University Transportation Centers

    Subject/Index Terms

    Filing Info

    • Accession Number: 01893425
    • Record Type: Research project
    • Source Agency: Transportation Infrastructure Precast Innovation Center
    • Files: UTC, RIP
    • Created Date: Sep 18 2023 10:06PM