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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Koenders, Eddie
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (16/16 displayed)
- 2025Bamboo–PCM: Comparative Analysis of Phase Change Material-Impregnated Dendrocalamus giganteus Culm Behavior Exposed to Thermal Variation in Wind Tunnel Assay
- 2024Modeling SAOS Yield Stress of Cement Suspensions: Microstructure-Based Computational Approach
- 2024From quarry to carbon sink: process-based LCA modelling of lime-based construction materials for net-zero and carbon-negative transformationcitations
- 2024Impact of Superplasticizers on the Performance of Low-Grade Limestone-Based Cement Mixes
- 2024Cradle-to-grave environmental and economic sustainability of lime-based plasters manufactured with upcycled materialscitations
- 2024Electrical conductivity of geopolymer-graphite composites: Percolation, mesostructure and analytical modelingcitations
- 2023How to improve the cradle-to-gate environmental and economic sustainability in lime-based construction materials? Answers from a real-life case-studycitations
- 2023Calibration of Tang’s Model for Concentration Dependence of Diffusion in Cementitious Materials
- 2022A phase-field approach for portlandite carbonation and application to self-healing cementitious materialscitations
- 2020Modelling the Thermal Energy Storage of Cementitious Mortars Made with PCM-Recycled Brick Aggregatescitations
- 2019Reactivity and Microstructure of Metakaolin Based Geopolymers: Effect of Fly Ash and Liquid/Solid Contentscitations
- 2019Relating Ettringite Formation and Rheological Changes during the Initial Cement Hydration: A Comparative Study Applying XRD Analysis, Rheological Measurements and Modelingcitations
- 2019Geopolymer, Calcium Aluminate, and Portland Cement-Based Mortars: Comparing Degradation Using Acetic Acidcitations
- 2018Microbial induced acid corrosion from a field perspective-Advances in process understanding and construction material developmentcitations
- 2018MICROBIAL INDUCED ACID CORROSION FROM A FIELD PERSPECTIVE – ADVANCES IN PROCESS UNDERSTANDING AND CONSTRUCTION MATERIAL DEVELOPMENT
- 2014Nondestructive determination of chloride concentration using Ag|AgCl electrodes produced by electrochemical anodization
Places of action
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article
Geopolymer, Calcium Aluminate, and Portland Cement-Based Mortars: Comparing Degradation Using Acetic Acid
Abstract
<jats:p>In this paper, we comparitvley studied acetic acid attacks on geopolymer (GP-M), calcium aluminate (CAC-M), and Portland cement (PC-M)-based mortars. Consequent formations of deteriorated or transition layers surrounding the unaltered core material was classified in these three mortars, according to different degradation levels depending on what binder type was involved. Apart from mass loss, hardness, and deterioration depth, their microstructural alterations were analyzed using test methods such as scanning electron microscopy with energy dispersive spectroscopy (SEM-EDS), mercury intrusion porosimetry (MIP), powder X-ray diffraction (XRD), and thermogravimetric analysis-differential scanning calorimeter (TGA-DSC), which showed the different mechanisms for each binder type. Elemental maps revealed the decalcification (PC-M and CAC-M) and depolymerization (GP-M) that occurred across the mortar sections. The mass loss, hardness, and porosity were the least affected for GP-M, followed by CAC-M. These results points out that geopolymer-based mortars have improved acid resistance, which can be used as a potential alternative to conventional cement concretes that have been exposed to agro-industrial environments.</jats:p>