Title: Evaluation of Degree of Rusting on Prestressed Concrete Strand
Date: May-June, 1992
Volume: 37
Issue: 3
Page number: 25-30
Author(s): Augusto S. Sason
https://doi.org/10.15554/pcij.05011992.25.30

Click here to access the full journal article

Abstract

Presents a procedure for classifying the degree of rust on a piece of prestressing strand and discusses the reasons for acceptance or rejection of each classification. Visual standards are developed by which inspectors can identify the degree of corrosion at which pitting occurs. 

References

l. ASM, Metals Handbook, 9th Edition, S. Y., "Bright Wire Finish," American Society for Metals, Metals Park, OH, 1978.

2. ASTM, ASTM Designation: A 416-90a, Standard Specification for Steel Strand, Uncoated Seven-Wire for Prestressed Concrete, V. 1.04, American Society for Testing and Materials, Philadelphia,  PA, 1991.

3. PCI, Manual for Quality Control for Plants and Production of Precast and Prestressed Concrete Products, Precast/Prestressed Concrete Institute, Chicago, IL, 1985.

4. FlP, Recommendations for Acceptance of Post-Tensioning Systems, Federation Internationale de Ia Precontrainte, London, United Kingdom, May 17, 1991.

5. AISI, Steel Products Manual, Wire and Rods, Carbon Steel, American Iron and Steel Institute, Washington, D.C., 1984.