Sulfate attack resistance of portland cement mixtures containing phosphogypsum

Chengsheng Ouyang, Antonio Nanni, Wen F. Chang

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Scopus citations

Abstract

This paper studies the sulfate attack resistance of portland cement mixtures containing conventional aggregate and phosphogypsum (by-product gypsum). A wide range of SO3and C3A contents is investigated with respect to linear expansion and compressive strength development for specimens submerged in fresh or sea water. Experimental results show that as phosphogypsum content increases expansion also increases. There is a threshold of C3A content in the mixture below which the specimen expansion decreases with the increasing of cement content and above which the higher the cement the higher the specimen expansion. If the SO3to cement ratio is maintained constant, expansion monoton-ically increases as a function of C3A. Maximum phosphogypsum and cement contents can be found based on linear expansion and compressive strength development.

Original languageEnglish (US)
Title of host publicationConcrete Durability
Subtitle of host publicationProceedings of Katharine and Bryant Mather International Symposium
EditorsJohn M. Scanlon
PublisherAmerican Concrete Institute
Pages2007-2026
Number of pages20
ISBN (Electronic)9780870315992
StatePublished - Apr 1 1987
EventKatharine and Bryant Mather International Symposium on Concrete Durability 1987 - Atlanta, United States
Duration: Apr 27 1987May 1 1987

Publication series

NameAmerican Concrete Institute, ACI Special Publication
VolumeSP-100
ISSN (Print)0193-2527

Conference

ConferenceKatharine and Bryant Mather International Symposium on Concrete Durability 1987
Country/TerritoryUnited States
CityAtlanta
Period4/27/875/1/87

Keywords

  • CA
  • Compressive strength
  • Concrete durability
  • Concretes
  • Expansion
  • Phosphogypsum
  • Portland cements
  • Sulfate attack
  • Sulfate resistance

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Building and Construction
  • Materials Science(all)

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