Field Trials for Cost-Effective Strengthening of SC Load Posted Bridges

Details

• Creators:
  Ziehl, Paul ; Cousins, Tommy ; Ross, Brandon ; Matta, Fabio
• Corporate Creators:
  University of South Carolina. Dept. of Civil & Environmental Engineering ; Clemson University. Glenn Department of Civil Engineering
• Corporate Contributors:
  South Carolina Department of Transportation. Office of Materials and Research ; United States. Department of Transportation. Federal Highway Administration
• Subject/TRT Terms:
  • Evaluation
  • Bridge performance
  • Precast concrete
  • Slabs
  • Girders
  • Strength of materials
  • Load factor
  • Field tests
  • Laboratory tests
  • Infrastructure
  More +
• Publication/ Report Number:
  FHWA-SC-26-03
• Resource Type:
  Tech Report
• Geographical Coverage:
  United States ; South Carolina
• Edition:
  Interim Report
• Corporate Publisher:
  South Carolina. Dept. of Transportation. Office of Materials and Research ; United States. Department of Transportation. Federal Highway Administration
• Abstract:
  The transportation infrastructure in South Carolina includes many bridges that are load posted due to structural considerations (e.g., outdated design loads, members whose capacity is difficult to assess) resulting in substantial costs to the public. The significant number of posted bridges has an adverse effect on travel and commerce in South Carolina. Efficient bridge strengthening methods are described in this report to mitigate these effects. This report focuses on laboratory and field trials of strengthening methods for precast flat slab and channel girder bridges. The goal is provide a means for reducing the number of load-posted bridges through efficient strengthening. Strengthening methods were investigated and laboratory testing was conducted to verify the structural response pre- and post-strengthening. A cost evaluation of the most suitable strengthening methods was performed and selected solutions verified through field implementation and load testing. The outcomes of this research are expected to provide efficient means to minimize the number of load-posted bridges. The work described is part of a larger effort to extend the service life of bridges in South Carolina.
• Format:
  PDF
• Funding:
  SPR No. 758
• Download URL:
  https://rosap.ntl.bts.gov/view/dot/93256/dot_93256_DS1.pdf
• File Type:
  [PDF - 4.39 MB]
• Collection(s):
  US Transportation Collection
• Main Document Checksum:
  urn:sha-512:a1ea6463fdf31cefaff9da6badd72ba1fb654febbfa3faaf0f67a47280c3b3afb0d4707a78c90ed69c2160ae32c012c7db4baa303c0af29a6f20cdef67a3e8e5