IN-SITU AND LABORATORY TESTS ON CORROSION BEHAVIOR OF PRESTRESSING REINFORCEMENT IN CONCRETE CONTAINING ADMIXTURES /IN RUSSIAN/

IN DENSE CONCRETE WITH CRACKS NOT EXCEEDING 0.1 MM WIDE, THE CHEMICAL BEHAVIOR UNDER ATMOSPHERIC CONDITIONS IS HARDLY CHANGED BY THE TENSION IN THE REINFORCEMENT EVEN IF THE CONCRETE CONTAINS 2 PERCENT CHLORIDE: THE PROCESS GOVERNING THE RATE OF CORROSION REMAINS UNCHANGED. IN-SITU TESTS CARRIED OUT OVER FIVE YEARS HAVE SHOWN THE POSSIBILITY OF PROTECTING ORDINARY AND PRESTRESSING REINFORCEMENT IN CONCRETE TO WHICH 2 PERCENT CALCIUM CHLORIDE HAD BEEN ADDED, BY THE INTRODUCTION OF 2 PERCENT SODIUM NITRITE. SODIUM NITRITE REMAINS IN THE LIQUID PHASE OF THE CONCRETE LONGER THAN CALCIUM CHLORIDE WHICH IS TRANSFORMED INTO A NON- SOLUBLE HYDRATED CALCIUM CHLOROALUMINATE. /LCPC/RRL/

• Supplemental Notes:
  • No 5, pp 3-6, 3 FIG, 3 TAB, 5 REF
• Corporate Authors:

  Stroitel' Stvoi Arkhitektura /Ussr

  ,    
• Authors:
  • Enisherlova, S G
  • Dovzhik, O I
  • Ratinov, V B
• Publication Date: 1967

Subject/Index Terms

• TRT Terms: Calcium chloride; Chlorides; Concrete; Concrete aggregates; Corrosion; Cracking; Field tests; Laboratory tests; Material reinforcement; Nitrites; Prestressed concrete; Sodium
• Uncontrolled Terms: Concrete cracking
• Old TRIS Terms: Insitu methods
• Subject Areas: Geotechnology; Highways;

Filing Info

• Accession Number: 00217677
• Record Type: Publication
• Source Agency: Road Research Laboratory /UK
• Files: TRIS
• Created Date: Jul 12 1971 12:00AM