Serviceability and Prestress Loss Behavior of SCC Prestressed Concrete Girders Subjected to Increased Compressive Stresses at Release

There are limited measurements documented in the literature related to long-term prestress losses in self consolidated concrete (SCC) members. Recorded test data has shown variations in mechanical property behavior of SCC compared to conventional HSC mixtures in the 8-12 ksi range. Over the past year, precast manufacturers such as Coreslab Structures, Inc., in Marshall, MO have experienced inconsistencies in camber behavior with SCC which may be attributed to mechanical property variations, but variation in stress may also be a contributing factor. Additionally, increasing the allowable fiber stress limit is desired for full utilization of materials and members, as long as structural performance is maintained. Furthermore, accurate prediction of time-dependent prestress losses is essential for determination of the effective prestress force, which effects serviceability prediction and structural performance. Further investigation is required.


  • English


  • Status: Completed
  • Contract Numbers:



  • Sponsor Organizations:

    Department of Transportation

    Research and Special Programs Administration
    1200 New Jersey Avenue, SE
    Washington, DC    20590
  • Performing Organizations:

    Center for Infrastructure Engineering Studies

    Missouri University of Science and Technology
    Rolla, MO  United States  65409
  • Principal Investigators:

    Myers, John

  • Start Date: 20070915
  • Expected Completion Date: 0
  • Actual Completion Date: 20090630
  • Source Data: RiP Project 15196

Subject/Index Terms

Filing Info

  • Accession Number: 01462783
  • Record Type: Research project
  • Source Agency: Center for Infrastructure Engineering Studies
  • Contract Numbers: DTRT06-G-0014, 00018532
  • Files: UTC, RiP, USDOT
  • Created Date: Jan 3 2013 2:10PM