Dataset Information

Durability of concretes exposed to high concentrations of CaCl₂ and MgCl₂.

ABSTRACT: In cold regions, calcium and magnesium chloride deicing salts damage concrete pavements due to the formation of certain deleterious chemical phases, including calcium oxychloride. While there is much research at a cement paste-scale, damage in concrete has been less studied. In this study, we evaluate concrete damage due to calcium and magnesium chloride and explain the roles of supplementary cementitious materials (SCM) replacement level, air entrainment, salt type, and exposure conditions in damage development. Various non-destructive test methods including bulk resistivity, mass change, and visual damage assessment were used to monitor the damage over time. Damage was reduced as the SCM replacement level and air content increased, regardless of exposure conditions. Bulk resistivity and visual assessment were promising indicators of damage. The product of 91-day bulk resistivity and the air content predicted concrete performance when exposed to concentrated deicing salts. Based on several criteria, mixtures with 20% fly ash replacement level or 35% slag mitigated damage significantly when the air content was greater than 5% by concrete volume. Damage mitigation mechanisms of SCM and air are discussed.

Supplementary information

The online version contains supplementary material available at 10.1617/s11527-022-01992-y.

SUBMITTER: Hosseinzadeh N

PROVIDER: S-EPMC9243803 | biostudies-literature | 2022

REPOSITORIES: biostudies-literature

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Durability of concretes exposed to high concentrations of CaCl<sub>2</sub> and MgCl<sub>2</sub>.

Hosseinzadeh Nima N Montanari Luca L Suraneni Prannoy P

Materials and structures 20220626 6

In cold regions, calcium and magnesium chloride deicing salts damage concrete pavements due to the formation of certain deleterious chemical phases, including calcium oxychloride. While there is much research at a cement paste-scale, damage in concrete has been less studied. In this study, we evaluate concrete damage due to calcium and magnesium chloride and explain the roles of supplementary cementitious materials (SCM) replacement level, air entrainment, salt type, and exposure conditions in d ...[more]

PMID: 35789561

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Dataset Information

Durability of concretes exposed to high concentrations of CaCl₂ and MgCl₂.

Supplementary information

Publications

Durability of concretes exposed to high concentrations of CaCl<sub>2</sub> and MgCl<sub>2</sub>.

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Dataset Information

Durability of concretes exposed to high concentrations of CaCl2 and MgCl2.

Supplementary information

Publications

Durability of concretes exposed to high concentrations of CaCl<sub>2</sub> and MgCl<sub>2</sub>.

Similar Datasets

OmicsDI is part of the ELIXIR infrastructure

Tweets

Durability of concretes exposed to high concentrations of CaCl₂ and MgCl₂.