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Journal Articles Construction Materials Year : 2023

Influence of the Ambient Relative Humidity on the Very-Long-Term DEF

Abstract

Relative humidity is a key parameter for the development of delayed ettringite formation (DEF). Here, new results of very-long-term experiments (10 years) are presented. It is observed that for a relative humidity of 96%, swelling could occur after several years but with a slower kinetics. A model coupling the kinetics of swelling with the internal relative humidity is presented. It is shown that this model can reproduce the experimental behavior.
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hal-04283779 , version 1 (14-11-2023)

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Thierry Houndonougbo, Boumediene Nedjar, Loic Divet, Jean-Michel Torrenti. Influence of the Ambient Relative Humidity on the Very-Long-Term DEF. Construction Materials, 2023, 3 (4), pp.405-413. ⟨10.3390/constrmater3040026⟩. ⟨hal-04283779⟩
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