Characterization of Concrete Creep and Shrinkage of the Birmingham I-59/I-20 Segmental Bridge

The objective of this study is to accurately predict the creep and shrinkage behavior of concrete in the I-59/I-20 segmental bridge located in downtown Birmingham, Alabama. Concrete samples were collected on four sampling dates throughout the bridge’s construction for creep and shrinkage testing. Concrete specimens were loaded at 7, 28, 91, and 182 days for creep testing. Shrinkage testing began for concrete specimens as soon as specimens were exposed to drying after initial curing. All concrete specimens were cured using increased temperatures for the first 24 hours after casting. Creep and shrinkage measurements were collected at set time intervals over five years. To accurately predict creep and shrinkage, eight commonly used models were evaluated during this project: AASHTO LRFD, ACI 209, B3, B4, CEB MC 1990, CEB MC 90-99, CEB MC 2010, and GL 2000. A statistical analysis was performed to compare each model to the measured data, and it is concluded that the CEB MC 90-99 model most accurately predicts the measured creep and shrinkage. Calibration to improve prediction was performed on the CEB MC 90-99 model, as well as the CEB MC 1990 model because it is commonly used in bridge design software. It is recommended to use the calibrated CEB MC 90-99 model to predict the creep and shrinkage of the concrete cast in segments of the Birmingham I-59/I-20 segmental bridge.

• Record URL:
  • https://eng.auburn.edu/files/centers/hrc/aldot-930989-final1.pdf
• Record URL:
  • https://rosap.ntl.bts.gov/view/dot/77188
• Corporate Authors:

  Auburn University

  Highway Research Center
  Harbert Engineering Center
  Auburn, AL  United States  36849-5337

  Alabama Department of Transportation

  1409 Coliseum Boulevard
  Montgomery, AL  United States  36130-3050
• Authors:
  • Beauchamp, Paul S
  • Cooper, Grant M
  • Schindler, Anton K
  • Barnes, Robert W
• Publication Date: 2023-12

Language

• English

Media Info

• Media Type: Digital/other
• Features: Appendices; Figures; Photos; References; Tables;
• Pagination: 334p

Subject/Index Terms

• TRT Terms: Bridge construction; Concrete bridges; Creep; Highway bridges; Precast concrete; Predictive models; Shrinkage
• Geographic Terms: Birmingham (Alabama)
• Subject Areas: Bridges and other structures; Construction; Highways; Maintenance and Preservation; Materials; Planning and Forecasting;

Filing Info

• Accession Number: 01929755
• Record Type: Publication
• Report/Paper Numbers: 930-989
• Files: NTL, TRIS, STATEDOT
• Created Date: Sep 6 2024 4:58PM