Sulfate Resistance of Mortars Made Using Portland Cement and Blends of Portland Cement and Pozzolan or Slag.

Abstract

Mortar bars were made from 23 Type I, 9 Type II, 2 Type V, 15 Type IP, 5 Type IS, and blends of Type I with slag and with various pozzolans including one silica fume. The bars were stored in a 5-percent sodium sulfate solution and monitored for changes in length and in resonant frequency. The length changes of the bars indicated tht silica fume and a natural pozzolan showed impressive improvement of the blends over the use of a nonsulfate-resistant cement by itself, while blends made using slag, and other pozzolans in the amounts studied, in some cases showed only slightly improved resistance and in other cases no improvements. Keywords: Blended cements, Fundamental frequency, Length change, Mortar bar, Portland pozzolan, Sulfate resistance. (jes)

Document Details

Document Type
Technical Report
Publication Date
Aug 01, 1988
Accession Number
ADA199383

Entities

People

  • G. S. Wong
  • Toy Poole

Tags

Communities of Interest

  • Weapons Technologies

DTIC Thesaurus Topics

  • Cement (Construction Material)
  • Frequency
  • Portland Cement
  • Resistance
  • Resonant Frequency

Fields of Study

  • Materials science

Readers

  • Mathematics or Statistics
  • Pavement Materials Engineering.