Impact of Sulfate Ion and Soft Grout on Post-Tensioned Concrete Bridges

This project is to investigate corrosion performance of post tensioning tendons caused by grout segregation especially in the form of soft grout and role of elevated concentrations of free sulfate ions in the corrosion process in the presence of various concentrations of chloride ions.

Language

• English

Project

• Status: Active
• Funding: $500000
• Contract Numbers:

  DTFH61-13-D-00007

• Sponsor Organizations:

  Federal Highway Administration

  1200 New Jersey Avenue, SE
  Washington, DC  United States  20590
• Managing Organizations:

  Federal Highway Administration

  1200 New Jersey Avenue, SE
  Washington, DC  United States  20590
• Project Managers:

  Virmani, Paul

• Performing Organizations:

  SES Group & Associates

  614 Biddle St
  Chesapeake City, MD  United States  21915
• Start Date: 20160426
• Expected Completion Date: 0
• Actual Completion Date: 0

Subject/Index Terms

• TRT Terms: Chlorides; Concentration (Chemistry); Concrete; Corrosion; Grout; Ions; Posttensioning; Sulfates; Tendons (Materials)
• Subject Areas: Highways; Materials;

Filing Info

• Accession Number: 01669048
• Record Type: Research project
• Source Agency: Department of Transportation
• Contract Numbers: DTFH61-13-D-00007
• Files: RIP, USDOT
• Created Date: May 16 2018 9:20AM