Investigating chemical and cracking processes in cement paste exposed to a low external sulfate attack with emphasis on the contribution of gypsum
J Pouya, M Neji, L De Windt, F Péralès, A Socié… - … and Building Materials, 2024 - Elsevier
Durability of concrete exposed to an external sulfate attack is a great concern for the long-
term reliability of nuclear waste containment. This paper presents experimental results …
term reliability of nuclear waste containment. This paper presents experimental results …
[HTML][HTML] Chemo-mechanical characterization of a low-pH model cement paste in magnesium bearing environment
C Dewitte, L Lacarriere, M Neji, A Bertron… - Cement and Concrete …, 2024 - Elsevier
In contact with natural waters, concrete can be exposed to the action of magnesium. Mg-
attack on the cement paste leads to dissolution of cementitious phases and formation of …
attack on the cement paste leads to dissolution of cementitious phases and formation of …
[HTML][HTML] Microstructure, water permeability and micromechanical properties of alkali activated slag subjected to accelerated leaching
This study investigated the leaching resistance of alkali activated slag mortars (AAS) under
immersion in a 6 M NH 4 NO 3 solution for a duration of up to 28 days, taking into …
immersion in a 6 M NH 4 NO 3 solution for a duration of up to 28 days, taking into …
Experimental Study on the Physical and Mechanical Properties of Cemented Gangue Backfill under Acid Mine Water Erosion
Ensuring the structural safety of cemented gangue backfill (CGB) is crucial for safe mining
operations. However, the complex mine water environment makes it susceptible to erosion …
operations. However, the complex mine water environment makes it susceptible to erosion …
Etude du comportement chemo-mécanique des pâtes de ciment soumises à des réactions sulfatiques externes modérées avec et sans pré-fissuration
J Pouya - 2023 - pastel.hal.science
La dégradation des matériaux cimentaires par les sulfates demeure un enjeu majeur,
notamment dans le cadre du stockage profond des déchets radioactifs. Cette thèse se …
notamment dans le cadre du stockage profond des déchets radioactifs. Cette thèse se …
A coupled hydro-chemo-mechanical approach to model the degradation and appearance of cracks in cementitious materials subject to carbonation
Abstract Coupled Thermal-Hydraulic-Mechanical-Chemical (THMC) approaches are crucial
for assessing the durability of cementitious materials. We present a novel approach to …
for assessing the durability of cementitious materials. We present a novel approach to …