Understanding the effect of alkali content on hydration, hardening, and performance of Portland cement-a comprehensive review
J Chen, J Jia, M Zhu - Materials Today Communications, 2024 - Elsevier
Understanding the impact of alkali content in Portland cement on cement hydration is crucial
for optimizing cement quality from the source and enhancing cement performance. This …
for optimizing cement quality from the source and enhancing cement performance. This …
Advances in hydration and thermodynamics of cementitious systems
Optimising the hydration of cementitious materials is crucial to leverage their full potential
and avoid wasting resources, embodied energy and CO 2. Understanding the fundamental …
and avoid wasting resources, embodied energy and CO 2. Understanding the fundamental …
[HTML][HTML] Kinetics of Al uptake in synthetic calcium silicate hydrate (CSH)
The effect of equilibration time on the composition, structure and solubility of calcium
aluminate silicate hydrate (CASH) was investigated in 0.5 M NaOH solutions at Al/Si= 0.1 …
aluminate silicate hydrate (CASH) was investigated in 0.5 M NaOH solutions at Al/Si= 0.1 …
[HTML][HTML] Al uptake in calcium silicate hydrate and the effect of alkali hydroxide
The effect of Al and of pH on the structure of calcium silicate hydrate (CSH), the most
important hydration product in Portland and blended cement, was studied at Ca/Si~ 1.0. The …
important hydration product in Portland and blended cement, was studied at Ca/Si~ 1.0. The …
[HTML][HTML] Anoxic corrosion of carbon steel in high pH cementitious media and high temperature conditions: New insights on the formation of (Fe, Al) Si-hydrogarnet …
J Goethals, L De Windt, GD Miron, C Wittebroodt… - Corrosion …, 2024 - Elsevier
The corrosion of carbon steel in alkaline anaerobic conditions and high temperature (80° C)
was studied through mock-up tests representative of imperfect contact between steel and …
was studied through mock-up tests representative of imperfect contact between steel and …
Why geopolymers and alkali‐activated materials are key components of a sustainable world: A perspective contribution
This perspective article delves into the transformative potential of alkali‐activated materials,
acid‐activated materials, and geopolymers in mitigating climate change and market …
acid‐activated materials, and geopolymers in mitigating climate change and market …
Distribution of sulphate and aluminium in hydrated cement pastes
Sulphate and aluminium play important roles in cement paste chemistry. They are closely
linked through AFm, ettringite, and CASH. This study quantifies the distributions of sulphate …
linked through AFm, ettringite, and CASH. This study quantifies the distributions of sulphate …
[HTML][HTML] Thermodynamic description of the Ni (II)-citrate system in alkaline, dilute to concentrated NaCl solutions. Formation of quaternary complexes with Ca
O Almendros-Ginestà, S Duckworth, PQ Fürst… - Applied …, 2025 - Elsevier
The impact of citrate (cit) on the solubility of Ni (II) was comprehensively investigated in
alkaline 0.1–3.0 M NaCl–NaOH–Na 3 cit solutions in the absence and presence of 0.02 mol …
alkaline 0.1–3.0 M NaCl–NaOH–Na 3 cit solutions in the absence and presence of 0.02 mol …
Impact of SCMs on alkali concentration in pore solution
The alkali metal concentration and pH values within the pore solution of a concrete strongly
influence the occurrence and the extent of alkali-silica reaction (ASR). At (Na+ K) …
influence the occurrence and the extent of alkali-silica reaction (ASR). At (Na+ K) …
A model to determine the alkali concentration of cement pore solution as a function of the binder composition
E Coppens, QT Phung, E Valcke - Construction and Building Materials, 2024 - Elsevier
This paper presents a simple polynomial model predicting the alkali concentration in
concrete pore solution as a function of the cement composition, the total alkali content and …
concrete pore solution as a function of the cement composition, the total alkali content and …