Investigating Available State-of-the-Art Technology for Determining Needed Information for Bridge Rating Strategies

In this report, nondestructive test (NDT) methods are evaluated in the context of providing input parameters to perform bridge load rating calculations for different bridge types. Relevant NDT methods are identified based on diverse technologies including mechanical impact, acoustic, electromagnetic, electrical and chemical, cuclear, and miscellaneous methods. The required parameters for successful bridge load rating of concrete precast slab (COPCSS), concrete slab (COSLAB), concrete prestress channel (COPSCH), prestressed girder bridges, and steel bridges are identified and the available NDT methods to provide these parameters are presented. These parameters are categorized in three basic groups that consist of as-built geometric parameters, as-built strength parameters, and as-inspected strength parameters. All the available NDT techniques that can be used to obtain each parameter have been presented. Finally, the NDT methods are rated by cost, ease of use, and reliability of data using a three-level rating system and the most cost effective, feasible, and reliable methods have been recommended.

• Record URL:
  https://www.ltrc.lsu.edu/pdf/2020/FR_619.pdf
• Summary URL:
  https://www.ltrc.lsu.edu/pdf/2020/ts_619.pdf
• Record URL:
  https://rosap.ntl.bts.gov/view/dot/65600
• Corporate Authors:

  Louisiana State University, Baton Rouge

  Department of Civil and Environmental Engineering
  Baton Rouge, LA  United States  70803

  Louisiana Department of Transportation and Development

  Baton Rouge, LA  United States 

  Federal Highway Administration

  1200 New Jersey Avenue, SE
  Washington, DC  United States  20590
• Authors:
  • Karshenas, Afshin
  • Naghavi, Babak
• Publication Date: 2020-1

Language

• English

Media Info

• Media Type: Digital/other
• Edition: Final Report
• Features: Appendices; Figures; Photos; References; Tables;
• Pagination: 189p

Subject/Index Terms

• TRT Terms: Bridges; Load factor; Nondestructive tests; Ratings
• Subject Areas: Bridges and other structures; Design; Highways;

Filing Info

• Accession Number: 01835673
• Record Type: Publication
• Report/Paper Numbers: FHWA/LA.19/619, LTRC Project Number: 18-5ST, SIO Number: DOTLT10000234
• Files: NTL, TRIS, ATRI, USDOT, STATEDOT
• Created Date: Feb 9 2022 1:59PM