CORROSION OF PRESTRESSED WIRE IN CONCRETE

THE VARIOUS TYPES OF CORROSION AND THE FEW CORROSION FAILURES WHICH HAVE OCCURRED IN PRESTRESSED WIRE IN CONCRETE ARE DISCUSSED. THE FAILURE IN THE REGINA, SASK., CANADA, WATER SUPPLY LINE IS EXAMINED IN DETAIL. LABORATORY INVESTIGATIONS OF CORROSION OF PRESTRESSED WIRE IN CONCRETE REPORTED IN THE LITERATURE ARE SUMMARIZED. PCA STUDIES INCLUDE TESTS OF THE EFFECTS ON CORROSION OF SUCH FACTORS AS TYPE OF CEMENT, TYPE OF WIRE, WIRE STRESS, ADDITION OF CALCIUM CHLORIDE, CURING CONDITIONS, STORAGE CONDITIONS, AND VOIDS IN THE CONCRETE ADJACENT TO THE WIRES. IT IS RECOMMENDED THAT CALCIUM CHLORIDE NOT BE USED IN PRESTRESSED CONCRETE. /PCA/

• Authors:
  • Monfore, G E
  • Verbeck, G J
• Publication Date: 0

Media Info

• Serial:
  • Portland Cement Assoc R & D Lab Bull
  • Issue Number: 0

Subject/Index Terms

• TRT Terms: Calcium chloride; Corrosion; Prestressed concrete; Prestressing; Reviews; Wire
• Subject Areas: Highways; Materials;

Filing Info

• Accession Number: 00213562
• Record Type: Publication
• Source Agency: Portland Cement Association
• Report/Paper Numbers: No 120
• Files: TRIS
• Created Date: Jun 1 1970 12:00AM