PERFORMANCE IMPROVEMENT OF CONCRETE WITH HIGH REPLACEMENT OF GROUND GRANULATED BLAST FURNACE SLAG THROUGH THE ADDITION OF LiNO₂

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This study aims to improve the quality of concrete by adding lithium nitrite with high replacement of ground granulated blast furnace slag.
Conducted chemical analysis, compressive strength tests, dry shrinkage tests, accelerated carbonation tests, and steel corrosion tests using paste and mortar specimens.
Evaluated changes in ettringite and hydrocalumite formation with varying amounts of lithium nitrite.
Assessed the practical usability of concrete with added lithium nitrite for maintaining specified slump and air content.
Observed an increase in compressive strength and reduced dry shrinkage due to the formation of ettringite and hydrocalumite.
Demonstrated improved corrosion resistance and carbonation suppression with lithium nitrite addition.
Confirmed enhanced practicality of concrete while maintaining target slump and air content levels.

Investigates compressive strength in concrete composites, suggesting enhanced durability with lithium nitrite.

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Hazehara et al. (2026) studied this question.

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