FIBER REINFORCEMENT OF CONCRETE STRUCTURES

Deterioration of concrete structures due to steel corrosion is a matter of considerable concern since the repairing of these structures proved to be a costly process. Repair and rehabilitation of the civil structures needs an enduring repair material. The ideal durable repair material should have low shrinkage, good thermal expansion, substantial modulus of elasticity, high tensile strength, improved fatigue and impact resistance. Reinforcing the concrete structures with fibers such as polypropylene is one of the possible ways to provide all the criteria of the durable repair material. This type of reinforcement is called Fiber Reinforcement of Concrete Structures. There is an increasing worldwide interest in utilizing fiber reinforced concrete structures for civil infrastructure applications. The bonding between the fibers and the concrete has to be good and the plastic has to withstand the changing environment of freeze and thaw as well as a high pH of 12.5 and a low pH of 6.5 when saturated with sodium chloride. With these brand new materials, little is known about the effect of fiber percentage on fracture properties under hot and cold conditions and when saturated with seawater. This information is necessary to be able to study the freeze-thaw durability of the fiber reinforced concrete structures under different environmental conditions and also in the marine environment.

• Record URL:
  http://www.uritc.uri.edu/media/finalreportspdf/536101.pdf
• 
• Record URL:
  https://rosap.ntl.bts.gov/view/dot/16102
• Supplemental Notes:
  • This research was supported by a grant from the U.S. Department of Transportation, University Transportation Centers Program.
• Corporate Authors:

  University of Rhode Island, Kingston

  Department of Chemical Engineering
  Kingston, RI  United States  02881
• Authors:
  • Brown, R
  • Shukla, A
  • Natarajan, K R
• Publication Date: 2002-9

Language

• English

Media Info

• Features: Figures; Photos; References; Tables;
• Pagination: 55 p.

Subject/Index Terms

• TRT Terms: Bonding; Concrete structures; Fiber reinforced concrete; Freeze thaw durability; pH value; Polypropylene; Rehabilitation; Repairing; Seawater
• Uncontrolled Terms: Marine environment
• Subject Areas: Bridges and other structures; Design; Highways; Maintenance and Preservation; I24: Design of Bridges and Retaining Walls; I60: Maintenance;

Filing Info

• Accession Number: 00969947
• Record Type: Publication
• Report/Paper Numbers: URITC FY99-02,, Final Report
• Contract Numbers: URI 536101
• Files: UTC, NTL, TRIS, ATRI
• Created Date: Feb 25 2004 12:00AM