BRIEF REVIEW OF ALKALI ACTION ON PORTLAND CEMENT CONCRETE

THE SULFATES OF SODIUM AND MAGNESIUM, USUALLY IN COMBINATION, ARE THE TWO SALTS OF MOST COMMON OCCURRENCE DELETERIOUS TO CONCRETE. IT MAY BE ASSUMED THAT IT IS THE PHYSICAL RESULT OF THE CHEMICAL ACTION OF ONE OR BOTH OF THESE SULFATES, AND POSSIBLY TO SOME EXTENT CALCIUM SULFATE AND SOME OF THE CHLORIDES, THAT IS MEANT WHEN REFERENCE IS MADE TO ALKALI ACTION ON CONCRETE. INVESTIGATIONS CONDUCTED UP TO THE PRESENT DATE ARE REVIEWED. THESE INVESTIGATIONS REVEAL THAT CAREFULLY MADE LONG-TIME CURED CONCRETE, VERY RICH IN CEMENT AND OF HIGH COMPRESSIVE STRENGTH AND LOW PERMEABILITY BEST RESIST THE ACTION OF ALKALI. ADMIXTURES, AS A RULE, HAVE NOT PROVEN BENEFICIAL. SURFACE COATINGS APPARENTLY HAVE SOME POSSIBILITIES. A CONSIDERABLE DIFFERENCE IN RESISTANCE AMONG PORTLAND CEMENTS WAS NOTED.

  • Supplemental Notes:
    • Vol 6, pp 223-229
  • Authors:
    • Miller, D G
  • Publication Date: 1927

Media Info

  • Monograph Title: Proceedings of the Sixth Annual Meeting of the Highway Research Board Held at Washington, D.C., December 2-3, 1926
  • Serial:

Subject/Index Terms

Filing Info

  • Accession Number: 00213730
  • Record Type: Publication
  • Files: TRIS, TRB
  • Created Date: Jun 11 1971 12:00AM