Service-life of concrete in freeze-thaw environments

Critical degree of saturation and calcium oxychloride formation

Scott H. Smith, Chunyu Qiao, Prannoy Suraneni, Kimberly E. Kurtis, William J. Weiss

Research output: Contribution to journalReview article

Abstract

Advancements in service-life prediction of concrete in freeze-thaw environments are reviewed to help inform concrete design, specification, and future areas of research. Critical degree of saturation and the formation of calcium oxychloride are specifically reviewed due to recent research progress and the ability to model the service-life of concrete in freeze-thaw prone environments is discussed. The current theory, numerical modeling, and experimental efforts used to investigate critical degree of saturation and calcium oxychloride formation are summarized and a discussion of how critical degree of saturation and calcium oxychloride develop due to environmental exposure and transport of water or calcium chloride, resulting in expansive stresses (i.e., freezing or calcium oxychloride formation)is presented. Areas of future work are identified related to advancements in experimental and numerical techniques, improved on-site evaluation tools of concretes, and the adoption of design specifications and construction practices that ensure service-life under the reviewed degradation mechanisms.

Original languageEnglish (US)
Pages (from-to)93-106
Number of pages14
JournalCement and Concrete Research
Volume122
DOIs
StatePublished - Aug 1 2019

Fingerprint

Service life
Calcium
Concretes
Specifications
Calcium Chloride
Calcium chloride
Freezing
Degradation
calcium hypochlorite
Water

Keywords

  • C. Freezing and thawing
  • C. Long-term performance
  • E. Concrete

ASJC Scopus subject areas

  • Building and Construction
  • Materials Science(all)

Cite this

Service-life of concrete in freeze-thaw environments : Critical degree of saturation and calcium oxychloride formation. / Smith, Scott H.; Qiao, Chunyu; Suraneni, Prannoy; Kurtis, Kimberly E.; Weiss, William J.

In: Cement and Concrete Research, Vol. 122, 01.08.2019, p. 93-106.

Research output: Contribution to journalReview article

Smith, Scott H. ; Qiao, Chunyu ; Suraneni, Prannoy ; Kurtis, Kimberly E. ; Weiss, William J. / Service-life of concrete in freeze-thaw environments : Critical degree of saturation and calcium oxychloride formation. In: Cement and Concrete Research. 2019 ; Vol. 122. pp. 93-106.
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