Finite element modeling of wave propagation in concrete.

Details

• Creators:
  Kennedy, T.C. ; Lovejoy, S.C. ; Blomberg, J.E.
• Corporate Creators:
  Oregon State University
• Corporate Contributors:
  United States. Federal Highway Administration
• Subject/TRT Terms:
  • Finite element method
  • Structural analysis
  • Reinforced concrete
  • Mechanical properties
  • Acoustic emission tests
  • Concrete bridges
  • Testing
  • Reinforced concrete--Mechanical properties--Mathematical models
  • Acoustic emission testing
  • Concrete bridges--Oregon--Testing
• Publication/ Report Number:
  FHWA-OR-RD-09-06
• Resource Type:
  Tech Report
• Geographical Coverage:
  Oregon
• Edition:
  Final report.
• Corporate Publisher:
  Oregon. Dept. of Transportation. Research Unit
• Abstract:
  Three reports were produced from research sponsored by the Oregon Department of Transportation on acoustic emission (AE). The first describes the evaluation of AE techniques applied to two reinforced concrete (RC) bridge girders, which were loaded to mimic in-service conditions. The main goal was to get a thorough understanding of how AE methods can be used with RC and in what way these methods can assist in maintaining the state’s aging RC deck girder bridges. Recommended settings for data acquisition and processing were evaluated. In addition to the complex full-scale beam components, studies were performed on smaller test specimens that improved understanding of stress wave propagation through reinforced concrete and the response of acoustic emission sensors in detecting these waves. Some qualitative and quantitative assessment methodologies were described, and examples and limitations of the methods were presented. Source locations in three dimensions were performed, and strategies on how to best deploy sensors were evaluated using Monte Carlo Simulations.
• Format:
  PDF
• Funding:
  SPR 633
• Download URL:
  https://rosap.ntl.bts.gov/view/dot/21828/dot_21828_DS1.pdf
• File Type:
  [PDF - 677.50 KB]
• Collection(s):
  US Transportation Collection
• Main Document Checksum:
  urn:sha-512:c3a982ef8ada868c5aea8af23ba7cf75993323c2e0904a9c7a0b11c13f63074618300d91709c5abd5b83b567eeca1cff8e403b9a4f030ebdb4aa5230ef84023a