Influence of the Ambient Relative Humidity on the Very-Long-Term DEF-Reference-Cited by-同舟云学术

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

Published:2023-11-10 Issue:4 Volume:3 Page:405-413
ISSN:2673-7108
Container-title:Construction Materials
language:en
Short-container-title:Construction Materials

Author:

Houndonougbo Thierry¹,Nedjar Boumediene²^ORCID,Divet Loic¹,Torrenti Jean-Michel³⁴^ORCID

Affiliation:

1. Physical and Chemical Properties and Durability of Materials Laboratory (CPDM), Department of Materials and Structures (MAST), Université Gustave Eiffel, 5 Boulevard Descartes, CEDEX 2, 77454 Marne-la-Vallée, France

2. Urban and Civil Engineering Testing and Modeling Laboratory (EMGCU), Department of Materials and Structures (MAST), Université Gustave Eiffel, 5 Boulevard Descartes, CEDEX 2, 77454 Marne-la-Vallée, France

3. Sustainable Building Materials Laboratory (UMR MCD), Department of Materials and Structures (MAST), Université Gustave Eiffel, 5 Boulevard Descartes, CEDEX 2, 77454 Marne-la-Vallée, France

4. ESITC-Paris, 79 Avenue Aristide Briand, 94110 Arcueil, France

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.

Publisher

MDPI AG

Subject

General Engineering

Link

https://www.mdpi.com/2673-7108/3/4/26/pdf

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