| People | Locations | Statistics |
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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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Galan, Isabel
Graz University of Technology
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (12/12 displayed)
- 2023New Insights into the Carbonation Process of Mortars and Concretescitations
- 2023Concrete corrosion analysis using optical chemical sensors and imaging
- 2023Optical sensors for the durability assessment of cement-based infrastructure
- 2022The hydration of fast setting spray binder versus (aluminum sulfate) accelerated OPCcitations
- 2022In situ pH monitoring in accelerated cement pastescitations
- 2021Continuous optical in-situ pH monitoring during early hydration of cementitious materialscitations
- 2021Durability of clinker reduced shotcrete: Ca2+ leaching, sintering, carbonation and chloride penetrationcitations
- 2021Durability of clinker reduced shotcrete: Ca2+ leaching, sintering, carbonation & chloride penetrationcitations
- 2019Hydration processes of accelerated cementitious systems governing early strength development
- 2017Enthalpy of formation of ye’elimite and ternesite
- 2014Characterization of micro-pore structure in novel cement matricescitations
- 2012Thermogravimetrical analysis for monitoring carbonation of cementitious materialscitations
Places of action
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article
Continuous optical in-situ pH monitoring during early hydration of cementitious materials
Abstract
<p>A luminescent sensor technique for pH analyses has been tested in cementitious media. The optical sensors monitor in-situ pH every 5 s during early hydration reactions over a period of 100 h from initial fluid up to consolidated stage. The pH development was analysed in calcium aluminate, calcium sulfoaluminate and OPC/slag cements up to a pH level of 13.3 and directly correlated with the heat of hydration. Thus tracing the dissolution and formation processes of solid phases via pH sensor monitoring is possible. This measurement technique enables the recording of continuous and highly reproducible pH data sets from slurries, pastes, and hardening materials leading to new vistas for individual (trans)formation pathways of solids, hydration and consolidation reactions in high alkaline cementitious systems.</p>